1 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3 PR tree-optimization/43528
4 * stor-layout.c (place_field): Check that constant fits into
5 unsigned HWI when skipping calculation of MS bitfield layout.
7 2010-03-27 Jan Hubicka <jh@suse.cz>
10 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
11 notice_global_symbol work.
13 2010-03-27 Jakub Jelinek <jakub@redhat.com>
15 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
16 instead of dwarf2out_decl.
17 (struct var_loc_node): Remove section_label field.
18 (dwarf2out_function_decl): New function.
19 (dwarf2out_var_location): Don't set section_label field.
20 (dwarf2out_begin_function): Don't empty decl_loc_table here.
22 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
24 PR tree-optimization/43544
25 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
26 First argument for builtin vectorized function hook is now a
27 tree to be able to distinguish between machine specific and
29 * targhooks.c (default_builtin_vectorized_function): Ditto.
30 * targhooks.h (default_builtin_vectorized_function): Ditto.
31 * target.h (struct gcc_target): Ditto.
32 * tree-vect-stmts.c (vectorizable_function): Ditto.
33 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
34 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
37 2010-03-26 Joseph Myers <joseph@codesourcery.com>
40 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
41 nested binding iff it is a FUNCTION_DECL.
42 (store_parm_decls_newstyle): Pass nested=true to bind for
43 FUNCTION_DECLs amongst parameters.
45 2010-03-26 Jakub Jelinek <jakub@redhat.com>
47 * var-tracking.c (vt_expand_loc_callback): Don't run
48 cselib_expand_value_rtx_cb in dummy mode if
49 cselib_dummy_expand_value_rtx_cb returned false.
51 * var-tracking.c (emit_note_insn_var_location): For one part
52 notes with offset 0, don't add EXPR_LIST around the location.
53 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
54 add_location_or_const_value_attribute): Adjust for that change.
57 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
58 into first operand and location into second.
59 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
60 dw_cfi_oprnd_loc for DW_CFA_expression.
61 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
62 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
63 assume first argument is regnum and second argument is location.
65 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
68 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
69 of scratch register to DImode. Split to DImode comparison operator.
70 Use SImode subreg of scratch register in the multiplication.
71 (*cmp_sadd_sidi): Ditto.
72 (*cmp_ssub_si): Ditto.
73 (*cmp_ssub_sidi): Ditto.
75 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
78 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
79 Remove invalid assert and wrong comment.
81 2010-03-26 Jakub Jelinek <jakub@redhat.com>
84 * flags.h (final_insns_dump_p): New extern.
85 * final.c (final_insns_dump_p): New variable.
86 (rest_of_clean_state): Set it before -fdump-final-insns=
87 dumping, clear afterwards.
88 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
89 MEM_ALIAS_SET on MEMs.
91 2010-03-26 David S. Miller <davem@davemloft.net>
93 * configure.ac: Fix sparc GOTDATA_OP bug check.
96 2010-03-26 Alan Modra <amodra@gmail.com>
98 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
100 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
102 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
103 TLS_SECTION_ASM_FLAG.
105 2010-03-25 Jakub Jelinek <jakub@redhat.com>
108 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
109 Clear first_function_block_is_cold.
112 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
113 argument if the argument is truth_value_p.
115 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
117 * config/rs6000/constraints.md: Update copyright year for my changes.
120 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
121 used in reg+reg addressing, swap registers.
123 2010-03-24 Jakub Jelinek <jakub@redhat.com>
126 * target.h (struct gcc_target): Add code_end hook.
127 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
129 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
130 * toplev.c (compile_file): Call targetm.asm_out.code_end
131 hook before unwind info/debug info output.
132 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
133 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
134 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
135 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
136 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
137 * config/i386/i386.c (ix86_file_end): Renamed to...
138 (ix86_code_end): ... this. Make static. Don't call
139 file_end_indicate_exec_stack. Emit unwind info using
140 final_start_function/final_end_function.
141 (darwin_x86_file_end): Remove.
142 (TARGET_ASM_CODE_END): Define.
143 * config/i386/i386.h (TARGET_ASM_FILE_END,
144 NEED_INDICATE_EXEC_STACK): Don't define.
145 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
146 (TARGET_ASM_FILE_END): Define to darwin_file_end.
147 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
148 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
151 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
152 at the beginning and final_end_function at the end.
153 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
155 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
157 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
158 and Sun as TLS syntax.
159 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
160 * configure: Regenerate.
161 * config.in: Regenerate.
162 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
163 (default_elf_asm_named_section): Use it.
164 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
165 (i386_output_dwarf_dtprel): Likewise.
166 (output_addr_const_extra): Likewise.
167 (output_pic_addr_const): Lowercase @GOTTPOFF.
168 (output_addr_const_extra): Likewise.
169 (output_pic_addr_const): Lowercase @GOTNTPOFF.
170 (output_addr_const_extra): Likewise.
171 (output_pic_addr_const): Lowercase @INDNTPOFF.
172 (output_addr_const_extra): Likewise.
173 (output_pic_addr_const): Lowercase @NTPOFF.
174 (output_addr_const_extra): Likewise.
175 (output_pic_addr_const): Lowercase @TPOFF.
176 (output_addr_const_extra): Likewise.
177 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
178 (*tls_global_dynamic_64): Likewise.
179 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
180 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
182 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
183 (ASM_OUTPUT_TLS_COMMON): Use it.
184 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
187 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
188 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
189 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
190 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
191 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
192 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
194 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
196 * config/i386/i386.c (override_options): Don't accept
197 -mtls-dialect=sun any longer.
198 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
199 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
200 (*tls_local_dynamic_base_32_sun): Likewise.
201 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
203 2010-03-24 Jakub Jelinek <jakub@redhat.com>
206 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
207 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
210 * ira.c (adjust_cleared_regs): New function.
211 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
215 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
217 * expr.c (expand_expr_real): Restore previous
218 curr_insn_source_location and curr_insn_block after
219 expand_expr_real_1 call.
220 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
221 instead of expand_expr_real_1.
223 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
225 PR rtl-optimization/43413
226 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
229 2010-03-22 James E. Wilson <wilson@codesourcery.com>
232 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
233 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
235 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
237 * config/i386/i386.c (ix86_target_string): Add -mfma.
238 Fix a typo in comment.
240 2010-03-22 Mike Stump <mikestump@comcast.net>
243 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
244 Don't overly align based upon packed packed fields.
246 2010-03-22 Jason Merrill <jason@redhat.com>
248 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
249 Use () rather than [], and move before the element type.
251 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
253 * doc/configfiles.texi (Configuration Files): Removed
254 fixinc/Makefile*, intl/Makefile.*.
255 * doc/makefile.texi: Fixed markup. Abstract from version
257 (Makefile): Removed obsolete gcc/java/parse.y example.
258 * doc/sourcebuild.texi: Likewise.
259 (Top Level): Added config, gnattools, libdecnumber, libgcc,
260 libgomp, libssp. Removed fastjar.
261 (Miscellaneous Docs): Clarify location.
262 Added COPYING3, COPYING3.LIB.
263 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
265 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
268 * config/i386/i386.c (x86_function_profiler)
269 [!NO_PROFILE_COUNTERS]: Fix typo.
270 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
273 2010-03-22 Janis Johnson <janis187@us.ibm.com>
274 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
276 * doc/sourcebuild.texi (Test Directives): Split into six
277 subsections, with most of the current text in new subsections
278 Directives, Selectors, and Final Actions.
279 (Directives): Split list of test directives into multiple
281 (Selectors): Describe use and syntax of selectors.
282 (Effective-Target Keywords): Describe all existing keywords.
283 (Add Options): Describe features for dg-add-options.
284 (Require Support): Describe variants of dg-require-support.
285 (Final Actions): Describe commands to use in dg-final.
287 2010-03-22 Michael Matz <matz@suse.de>
290 * recog.c (validate_replace_rtx_group): Replace also in
291 REG_EQUAL and REG_EQUIV notes.
293 2010-03-22 Richard Guenther <rguenther@suse.de>
295 PR tree-optimization/43390
296 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
297 sure vector extracts are type correct.
299 2010-03-22 Richard Guenther <rguenther@suse.de>
302 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
303 x * sqrt (x) even when optimizing for size if the target
304 has native support for sqrt.
306 2010-03-22 Jakub Jelinek <jakub@redhat.com>
308 * varasm.c (make_decl_rtl_for_debug): Also clear
309 flag_mudflap for the duration of make_decl_rtl call.
312 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
313 locs from preserved VALUEs.
315 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
318 * pa.md (movmemsi): Set align to one if zero.
319 (movmemdi): Likewise.
321 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
324 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
325 with their corresponding prologue pushes.
327 2010-03-20 Andrew Pinski <pinskia@gmail.com>
330 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
331 at the begining or end.
332 (spu_expand_epilogue): Likewise.
334 2010-03-20 Richard Guenther <rguenther@suse.de>
336 PR rtl-optimization/43438
337 * combine.c (make_extraction): Properly zero-/sign-extend an
338 extraction of the low part of a CONST_INT. Also handle
341 2010-03-19 Mike Stump <mikestump@comcast.net>
343 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
344 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
345 (override_options): Use SUBTARGET32_DEFAULT_CPU.
347 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
350 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
353 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
355 PR rtl-optimization/42258
356 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
357 use that may match DEF.
360 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
361 the cost of loading the constant rather than assuming
363 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
364 outer code is AND, do the same tests as the andsi3 expander and
365 return COSTS_N_INSNS (1) if and is cheap.
367 * optabs.c (avoid_expensive_constant): Fix formatting.
369 2010-03-19 Michael Matz <matz@suse.de>
372 * attribs.c (decl_attributes): When rebuilding a function pointer
373 type use the same qualifiers as the original pointer type.
375 2010-03-19 Martin Jambor <mjambor@suse.cz>
377 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
378 and is_gimple_ip_invariant_address.
380 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
383 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
385 * config/arm/arm.c (arm_override_options): Turn off
386 flag_dwarf2_cfi_asm for AAPCS variants.
388 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
391 * config/arm/arm.c (emit_multi_reg_push): Update comments.
392 Use PRE_MODIFY instead of PRE_DEC.
393 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
394 (vfp_emit_fstmd): Likewise.
396 2010-03-19 Michael Matz <matz@suse.de>
399 * builtins.c (expand_builtin_interclass_mathfn,
400 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
403 2010-03-19 Richard Guenther <rguenther@suse.de>
405 PR tree-optimization/43415
406 * tree-ssa-pre.c (phi_translate): Split out worker to ...
407 (phi_translate_1): ... this.
408 (phi_translate): Move all caching here. Cache all NARY
409 and REFERENCE translations.
411 2010-03-19 David S. Miller <davem@davemloft.net>
413 With help from Eric Botcazou.
414 * config/sparc/sparc.c: Include dwarf2out.h.
415 (emit_pic_helper): Delete.
416 (pic_helper_symbol_name): Delete.
417 (pic_helper_emitted_p): Delete.
418 (pic_helper_needed): New.
419 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
420 (get_pc_thunk_name): New.
421 (load_pic_register): Remove 'delay_pic_helper' arg. Use
422 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
423 Set pic_helper_needed to true. Don't call emit_pic_helper.
424 (sparc_expand_prologue): Update load_pic_register call.
425 (sparc_output_mi_thunk): Likewise.
426 (sparc_file_end): Emit a hidden comdat symbol for the PIC
427 thunk if possible. Output CFI information as needed.
429 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
430 Jack Howarth <howarth@bromo.med.uc.edu>
433 * config/i386/i386.h: Fix ABI on darwin x86-32.
435 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
437 * tree.h: Declare make_decl_rtl_for_debug.
438 * varasm.c (make_decl_rtl_for_debug): New.
439 * dwarf2out.c (rtl_for_decl_location): Call it.
440 * cfgexpand.c (expand_debug_expr): Call it.
442 2010-03-18 Jakub Jelinek <jakub@redhat.com>
445 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
449 * var-tracking.c (vt_init_cfa_base): Do nothing if
450 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
452 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
455 * var-tracking.c (canonicalize_vars_star): New.
456 (dataflow_post_merge_adjust): Use it.
458 2010-03-18 Jakub Jelinek <jakub@redhat.com>
461 * var-tracking.c (non_suitable_const): New function.
462 (add_uses): For DEBUG_INSNs with constants, don't record any
463 value, instead just the constant value itself.
464 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
465 is not VAR_LOC_UNKNOWN_P, set var to the constant.
466 (emit_notes_in_bb): Likewise.
467 (emit_note_insn_var_location): For onepart variables if
468 cur_loc is a VOIDmode constant, use DECL_MODE.
470 2010-03-18 Martin Jambor <mjambor@suse.cz>
473 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
474 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
475 all non-clones. Moved call redirection...
476 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
477 (cgraph_materialize_all_clones): Dispose of all
478 combined_args_to_skip bitmaps.
479 (verify_cgraph_node): Do not check for edges pointing to wrong
480 nodes in inline clones.
481 * tree-inline.c (copy_bb): Call
482 cgraph_redirect_edge_call_stmt_to_callee.
483 * ipa.c (cgraph_remove_unreachable_nodes): Call
484 cgraph_node_remove_callees even when there are used clones.
486 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
488 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
490 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
493 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
496 2010-03-18 Michael Matz <matz@suse.de>
499 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
500 into sqrt(x) if we need to preserve signed zeros.
502 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
503 Eric Botcazou <ebotcazou@adacore.com>
505 PR rtl-optimization/43360
506 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
507 note if we don't know its invariant status.
509 2010-03-18 Michael Matz <matz@suse.de>
511 PR tree-optimization/43402
512 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
513 PHI chains of ssa names registered for update.
515 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
518 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
519 non-offsettable and pre_modify update addressing.
520 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
521 and "2" alternatives "#".
522 (*movdd_softfloat32): Make all alternatives "#";
523 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
524 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
525 (*movdf_softfloat32): Make all alternatives "#";
526 (movdi): Use the new DIFD mode iterator to create a common splitter
527 for movdi, movdf and movdd patterns.
529 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
531 * common.opt (dumpdir): Remove redundant tab.
533 2010-03-17 Martin Jambor <mjambor@suse.cz>
535 PR tree-optimization/43347
536 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
537 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
539 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
541 PR rtl-optimization/42216
542 * regrename.c (create_new_chain): New function, broken out from...
543 (scan_rtx_reg): ... here. Call it. Handle the case where we are
544 appending a use to an empty chain.
545 (build_def_use): Remove previous changes that convert OP_INOUT to
546 OP_OUT operands; instead detect the case where an OP_INOUT operand
547 uses a previously untracked register and create an empty chain for it.
549 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
551 * doc/extend.texi (Function Attributes): Rewrite unfinished
552 sentence in ms_abi documentation.
554 2010-03-17 Alan Modra <amodra@gmail.com>
556 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
557 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
558 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
559 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
561 2010-03-16 Richard Henderson <rth@redhat.com>
564 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
565 (lower_try_finally): Save and restore eh_seq around the expansion
568 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
570 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
571 statements before splitting block.
573 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
575 * doc/sourcebuild.texi (Testsuites): Fix markup.
576 Use pathnames relative to gcc/testsuite.
577 (Test Directives): Move description of how timeout is determined.
578 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
579 (C Tests): Correct gcc.misc-tests directory.
580 Framework tests now live in gcc.test-framework.
582 2010-03-16 Richard Guenther <rguenther@suse.de>
585 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
586 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
588 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
589 Alexandre Oliva <aoliva@redhat.com>
591 PR tree-optimization/42917
592 * lambda-code.c (remove_iv): Skip debug statements.
593 (lambda_loopnest_to_gcc_loopnest): Likewise.
594 (not_interesting_stmt): Debug statements are not interesting.
596 2010-03-16 Jakub Jelinek <jakub@redhat.com>
600 * cselib.c (cselib_preserve_constants,
601 cfa_base_preserved_val): New static variables.
602 (preserve_only_constants): New function.
603 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
604 clear its REG_VALUES. If cselib_preserve_constants, don't
605 empty the whole hash table, but preserve there VALUEs with constants,
606 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
607 (cselib_preserve_cfa_base_value): New function.
608 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
609 (cselib_init): Change argument to int bitfield. Set
610 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
612 (cselib_finish): Clear cselib_preserve_constants and
613 cfa_base_preserved_val.
614 * cselib.h (enum cselib_record_what): New enum.
615 (cselib_init): Change argument to int.
616 (cselib_preserve_cfa_base_value): New prototype.
617 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
618 * dse.c (dse_step1): Likewise.
619 * cfgcleanup.c (thread_jump): Likewise.
620 * sched-deps.c (sched_analyze): Likewise.
621 * gcse.c (local_cprop_pass): Likewise.
622 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
623 If FN is non-NULL, call the callback always and whenever it returns
624 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
625 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
626 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
627 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
628 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
629 * var-tracking.c: Include recog.h.
630 (bb_stack_adjust_offset): Remove.
631 (vt_stack_adjustments): Don't call it, instead just gather the
632 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
633 (adjust_stack_reference): Remove.
634 (compute_cfa_pointer): New function.
635 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
636 (struct adjust_mem_data): New type.
637 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
639 (get_address_mode): New function.
640 (replace_expr_with_values): Use it.
641 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
642 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
643 (adjust_sets): Remove.
644 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
645 Use get_address_mode.
646 (get_adjusted_src): Remove.
647 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
648 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
649 (add_with_sets): Don't call adjust_sets.
650 (fp_setter, vt_init_cfa_base): New functions.
651 (vt_initialize): Change return type to bool. Move most of pool etc.
652 initialization to the beginning of the function from end. Pass
653 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
654 If !frame_pointer_needed, call vt_stack_adjustment before mos
655 vector is filled, call vt_init_cfa_base if argp/framep has been
656 eliminated to sp. If frame_pointer_needed and argp/framep has
657 been eliminated to hard frame pointer, set
658 hard_frame_pointer_adjustment and call vt_init_cfa_base after
659 encountering fp setter in the prologue. For MO_ADJUST, call
660 log_op_type before pusing the op into mos vector, not afterwards.
661 Call adjust_insn before cselib_process_insn/add_with_sets,
662 call cancel_changes (0) afterwards.
663 (variable_tracking_main_1): Adjust for vt_initialize calling
664 vt_stack_adjustments and returning whether it succeeded or not.
666 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
668 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
671 2010-03-15 Jakub Jelinek <jakub@redhat.com>
673 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
675 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
676 drap_reg has not been set.
678 2010-03-15 Michael Matz <matz@suse.de>
681 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
682 use it to expand block copies.
683 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
684 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
685 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
687 2010-03-15 Richard Guenther <rguenther@suse.de>
689 PR tree-optimization/43367
690 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
693 2010-03-15 Richard Guenther <rguenther@suse.de>
695 PR tree-optimization/43317
696 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
698 2010-03-15 Martin Jambor <mjambor@suse.cz>
700 PR tree-optimization/43141
701 * tree-sra.c (create_abstract_origin): New function.
702 (modify_function): Call create_abstract_origin.
704 2010-03-15 Chris Demetriou <cgd@google.com>
706 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
709 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
712 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
713 call insert_out_of_ssa_copy for default definitions.
715 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
717 * graphite-clast-to-gimple.c (my_long_long): Defined.
718 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
719 * graphite-sese-to-poly.c (my_long_long): Defined.
720 (scop_ivs_can_be_represented): Use it.
722 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
724 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
725 graphite-max-bbs-per-function, and loop-block-tile-size.
726 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
728 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
730 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
732 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
734 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
735 (add_upper_bounds_from_estimated_nit): New.
736 (build_loop_iteration_domains): Use it.
738 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
740 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
742 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
745 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
746 should be an INTEGER_CST. Also handle CASE_CONVERT.
748 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
750 * graphite.c (graphite_initialize): To bound the number of bbs per
751 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
752 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
753 * doc/invoke.texi: Document it.
755 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
757 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
758 * graphite-sese-to-poly.h (build_poly_scop): Same.
760 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
762 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
763 the number of parameters in the scop. Use as an upper bound
764 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
765 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
766 * doc/invoke.texi: Document it.
768 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
770 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
771 * doc/c-tree.texi: Remove.
772 * doc/generic.texi: Merge c-tree.texi here.
773 * doc/gccint.texi (Trees): Remove menu entry.
774 (c-tree.texi): Remove @include.
775 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
776 * doc/languages.texi (Reading RTL): Ditto.
778 2010-03-12 Steve Ellcey <sje@cup.hp.com>
781 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
783 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
786 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
787 code added to work around reload clobbering CONST insns.
789 2010-03-12 Jakub Jelinek <jakub@redhat.com>
791 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
792 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
793 (cselib_preserve_only_values): Remove retain argument, don't
794 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
795 * cselib.h (cselib_preserve_only_values): Remove retain argument.
796 * var-tracking.c (micro_operation): Move insn field before union.
797 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
798 (struct variable_tracking_info_def): Remove n_mos field, change
799 mos into a vector of micro_operations.
800 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
801 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
802 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
803 changing into a vector.
804 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
805 come before all other uops generated by add_stores.
806 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
808 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
809 a vector. Run just one pass over the bbs instead of separate counting
810 and computation phase.
811 (vt_finalize): Free VTI (bb)->mos vector instead of array.
814 * tree-inline.c (remap_decls): Put old_var rather than origin_var
815 into *nonlocalized_list vector.
816 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
817 even if origin is non-NULL.
818 (gen_variable_die): Likewise.
819 (process_scope_var): Don't change origin.
820 (gen_decl_die): Likewise.
821 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
822 before adding new edges instead of after it, fix moving over
825 2010-03-11 David S. Miller <davem@davemloft.net>
827 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
829 * configure: Rebuild.
831 2010-03-11 Martin Jambor <mjambor@suse.cz>
833 PR tree-optimization/43257
834 * tree.c (assign_assembler_name_if_neeeded): New function.
835 (free_lang_data_in_cgraph): Assembler name assignment moved to the
837 * tree.h (assign_assembler_name_if_neeeded): Declare.
838 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
839 the function if needed.
841 2010-03-11 Chris Demetriou <cgd@google.com>
843 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
844 include/stdint-gcc.h, and include/stdint.h world-readable.
846 2010-03-11 Richard Guenther <rguenther@suse.de>
848 PR tree-optimization/43255
849 * tree-vrp.c (process_assert_insertions_for): Do not insert
850 asserts for trivial conditions.
852 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
854 PR tree-optimization/43280
855 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
856 generation. Move calculation of size out of the if branch.
857 (find_bswap): Modify compare number generation.
859 2010-03-11 Richard Guenther <rguenther@suse.de>
862 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
863 (input_gimple_stmt): Fixup handled component types during
864 operand read. Also fix up decls in ADDR_EXPRs.
866 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
868 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
869 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
871 2010-03-10 Jan Hubicka <jh@suse.cz>
874 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
875 * varasm.c (get_variable_section): Don't do that here...
876 (make_decl_rtl): ... and here.
877 (do_assemble_alias): Produce decl RTL.
878 (assemble_alias): Likewise.
880 2010-03-10 Jakub Jelinek <jakub@redhat.com>
883 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
884 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
886 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
887 (based_loc_descr): Only express drap or vdrap regno based expressions
888 using DW_OP_fbreg when not optimizing.
889 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
890 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
891 REG_CFA_SET_VDRAP note.
893 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
895 PR tree-optimization/43236
896 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
897 error in calculation of base address in reverse iteration case.
898 (generate_builtin): Take number of latch executions if the statement
901 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
904 * tree-eh.c: Include pointer-set.h.
905 (lower_eh_dispatch): Filter out duplicate case labels and
906 remove the unneeded edge when the label is unused. Return
907 true when some edges are removed.
908 (execute_lower_eh_dispatch): When any lowering resulted in
909 removing an edge, also delete unreachable blocks.
911 2010-03-10 Jakub Jelinek <jakub@redhat.com>
914 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
915 UNSPEC_MACHOPIC_OFFSET.
917 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
920 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
921 (m68k_delegitimize_address): New function.
923 2010-03-09 Jakub Jelinek <jakub@redhat.com>
926 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
929 * var-tracking.c (adjust_sets): New function.
930 (count_with_sets, add_with_sets): Use it.
931 (get_adjusted_src): New inline function.
932 (add_stores): Use it.
935 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
936 call cselib_dummy_expand_value_rtx_cb instead of
937 cselib_expand_value_rtx_cb.
940 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
941 * config/i386/i386.c: Include debug.h and dwarf2out.h.
942 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
943 and .cfi_endproc around the pic thunks.
944 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
945 all queued unwind info register saves are saved before the call.
946 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
947 considered as sp-=4 for unwind info and the pop as sp+=4 which
948 also clobbers dest, but doesn't actually restore it.
951 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
954 2010-03-09 Jie Zhang <jie@codesourcery.com>
956 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
957 whitespaces in output template.
959 2010-03-09 Jie Zhang <jie@codesourcery.com>
961 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
964 2010-03-08 Jakub Jelinek <jakub@redhat.com>
966 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
967 builtins.exp in a separate job.
969 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
971 * graphite-sese-to-poly.c (add_param_constraints): Use
972 lower_bound_in_type and upper_bound_in_type.
974 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
976 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
977 instead of unsigned_type_node.
979 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
980 Reza Yazdani <reza.yazdani@amd.com>
983 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
984 on pointer type parameters.
986 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
990 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
991 handle conversions from pointer to integers.
992 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
993 induction variable, to be able to work with code generated by CLooG.
994 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
995 (build_poly_scop): Bail out if we cannot codegen a loop.
997 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
999 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1000 code generation with gloog_error.
1002 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1004 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1005 Call fold_convert on all the returned values.
1006 (expand_scalar_variables_expr): Pass to
1007 expand_scalar_variables_ssa_name the type of the resulting expression.
1009 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1011 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1012 ppl_min_for_le_pointset.
1013 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1014 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1016 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1018 * graphite-dependences.c (map_into_dep_poly): Removed.
1019 (dependence_polyhedron_1): Use combine_context_id_scat.
1021 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1023 * graphite-poly.h (struct poly_scattering): Add layout documentation.
1024 (struct poly_bb): Same.
1025 (combine_context_id_scat): New.
1027 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1030 * sese.c (name_defined_in_loop_p): Return false for default
1033 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1035 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1036 and clean up the logic.
1038 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1040 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1043 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1045 * var-tracking.c (remove_cselib_value_chains): Define only for
1047 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
1048 delete_slot_part, emit_notes_for_differences_1): Don't call
1049 remove_cselib_value_chains here.
1050 (set_slot_part, emit_notes_for_differences_2): Don't call
1051 add_cselib_value_chains here.
1052 (preserved_values): New vector.
1053 (preserve_value): New function.
1054 (add_uses, add_stores, vt_add_function_parameters): Use it
1055 instead of cselib_preserve_value.
1056 (changed_values_stack): New vector.
1057 (check_changed_vars_0): New function.
1058 (check_changed_vars_1, check_changed_vars_2): Use it.
1059 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
1060 changed_values_stack VALUEs.
1061 (vt_emit_notes): For all preserved_values call
1062 add_cselib_value_chains. If ENABLE_CHECKING call
1063 remove_cselib_value_chains before verifying value_chains is empty.
1064 Initialize and free changed_values_stack.
1065 (vt_initialize): Initialize preserved_values.
1066 (vt_finalize): Free preserved_values.
1068 2010-03-08 Richard Guenther <rguenther@suse.de>
1070 PR tree-optimization/43269
1071 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
1074 2010-03-08 Martin Jambor <mjambor@suse.cz>
1076 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
1077 (ipa_is_param_called): Removed.
1078 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
1079 (ipa_print_node_params): Do not print the called flag.
1080 (ipa_write_node_info): Do not stream the called flag.
1081 (ipa_read_node_info): Likewise.
1083 2010-03-07 Jakub Jelinek <jakub@redhat.com>
1086 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
1087 * cselib.c (struct expand_value_data): Add dummy field.
1088 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
1090 (cselib_dummy_expand_value_rtx_cb): New function.
1091 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
1093 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
1094 * var-tracking.c: Include pointer-set.h.
1095 (variable): Change n_var_parts to char from int. Add
1096 cur_loc_changed and in_changed_variables fields.
1097 (variable_canonicalize): Remove.
1098 (shared_var_p): New inline function.
1099 (unshare_variable): Maintain cur_loc_changed and
1100 in_changed_variables fields. If var was in changed_variables,
1101 replace it there with new_var. Just copy cur_loc instead of
1102 resetting it to something else.
1103 (variable_union): Don't recompute cur_loc. Use shared_var_p.
1104 (dataflow_set_union): Don't call variable_canonicalize.
1105 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
1106 of their DEBUG_EXPR_TREE_DECLs.
1107 (canonicalize_loc_order_check): Verify that cur_loc is NULL
1108 and in_changed_variables and cur_loc_changed is false.
1109 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
1110 and cur_loc_changed. Don't update cur_loc here.
1111 (variable_merge_over_src): Don't call variable_canonicalize.
1112 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
1113 removing loc that is equal to cur_loc, clear cur_loc,
1114 set cur_loc_changed and ensure variable_was_changed is called.
1115 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
1116 compare pointers in cur_loc check, if it is equal to loc,
1117 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
1118 (variable_different_p): Remove compare_current_location argument,
1119 don't compare cur_loc.
1120 (dataflow_set_different_1): Adjust variable_different_p caller.
1121 (variable_was_changed): If dv had some var in changed_variables
1122 already, reset in_changed_variables flag for it and propagate
1123 cur_loc_changed over to the new variable. On empty var
1124 always set cur_loc_changed. Set in_changed_variables on whatever
1125 var is added to changed_variables.
1126 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
1127 Use shared_var_p. When removing loc that is equal to cur_loc,
1128 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
1129 end, don't set it to something else, just call variable_was_changed.
1130 (delete_slot_part): Use shared_var_p. When cur_loc equals to
1131 loc being removed, clear cur_loc and set cur_loc_changed.
1132 Set cur_loc_changed if all locations have been removed.
1133 (struct expand_loc_callback_data): New type.
1134 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
1135 allocated. Always create SUBREGs if simplify_subreg failed.
1136 Prefer to use cur_loc, when that fails and still in
1137 changed_variables (and seen first time) recompute it. Set
1138 cur_loc_changed of variables which had to change cur_loc and
1139 compute elcd->cur_loc_changed if any of the subexpressions used
1140 had to change cur_loc.
1141 (vt_expand_loc): Adjust to pass arguments in
1142 expand_loc_callback_data structure.
1143 (vt_expand_loc_dummy): New function.
1144 (emitted_notes): New variable.
1145 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
1146 that weren't used for any other decl in current
1147 emit_notes_for_changes call call vt_expand_loc_dummy to update
1148 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
1149 first loc_chain location if NULL before. Always use just
1150 cur_loc instead of first loc_chain location. When cur_loc_changed
1151 is false, when not --enable-checking=rtl just don't emit any note.
1152 When rtl checking, compute the note and assert it is the same
1153 as previous note. Clear cur_loc_changed and in_changed_variables
1154 at the end before removing from changed_variables.
1155 (check_changed_vars_3): New function.
1156 (emit_notes_for_changes): Traverse changed_vars to call
1157 check_changed_vars_3 on each changed var.
1158 (emit_notes_for_differences_1): Clear cur_loc_changed and
1159 in_changed_variables. Recompute cur_loc of new_var.
1160 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
1161 (vt_emit_notes): Initialize and destroy emitted_notes.
1163 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
1165 PR rtl-optimization/42220
1166 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
1167 Use verify_reg_tracked to determine if we should use OP_OUT rather
1169 (build_def_use): If we see an in-out operand for a register that we
1170 know nothing about, treat is an output if possible, fail the block if
1173 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1176 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
1179 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1182 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
1183 uses of relevant DEFs that are dead outside the loop too.
1185 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1187 * var-tracking.c (dataflow_set_merge): Swap src and src2.
1189 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1191 * var-tracking.c (values_to_unmark): New variable.
1192 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1193 values_to_unmark vector. Moved body to...
1194 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1195 instead queue it into values_to_unmark vector.
1196 (vt_find_locations): Free values_to_unmark vector.
1198 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
1200 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
1201 (site.exp): Export them when plugins are enabled.
1203 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
1206 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
1208 (chrec_fold_multiply): Same.
1210 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1213 * c-decl.c (build_compound_literal): Return early if init is
1216 2010-03-04 Martin Jambor <mjambor@suse.cz>
1218 PR tree-optimization/43164
1219 PR tree-optimization/43191
1220 * tree-sra.c (type_consists_of_records_p): Reject records with
1221 zero-size bit-fields at the end.
1223 2010-03-04 Mike Stump <mikestump@comcast.net>
1225 * Makefile.in (TAGS): Remove *.y.
1227 2010-03-04 Richard Guenther <rguenther@suse.de>
1229 PR tree-optimization/40761
1230 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1232 (my_rev_post_order_compute): New function.
1233 (init_pre): Call it.
1235 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1238 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1239 decrease the cost of an IV candidate when the cost is infinite.
1241 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1243 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1244 Use '3DNow!' for the extension of that name, ensure normal space
1246 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1248 2010-03-03 Jeff Law <law@redhat.com>
1250 * PR middle-end/32693
1251 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1252 than gen_rtx_SUBREG.
1253 (extract_bit_field_1): Likewise.
1255 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1257 * doc/sourcebuild.texi (Test directives): Document that arguments
1258 include-opts and exclude-opts are now optional for dg-skip-if,
1259 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1261 2010-03-03 Jason Merrill <jason@redhat.com>
1264 * cgraph.h (varpool_node): Add extra_name field.
1265 * varpool.c (varpool_extra_name_alias): New.
1266 (varpool_assemble_decl): Emit extra name aliases.
1267 (varpool_mark_needed_node): Look past an extra name alias.
1268 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1269 * lto-streamer-in.c (lto_input_tree): Read it.
1270 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1272 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1274 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1275 (sparc*-*-solaris2*): ...this.
1277 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1280 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1281 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1282 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1283 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1286 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1287 fallthrough to default handling, just with want_address 0 instead of 2.
1288 For single element lists, add_AT_loc directly, otherwise create an
1289 artificial variable DIE and stick location list to it.
1292 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1293 (VAL_EXPR_HAS_REVERSE): Define.
1294 (reverse_op): New function.
1295 (add_stores): For reversible operations add an extra MO_VAL_USE.
1297 2010-03-02 Jason Merrill <jason@redhat.com>
1299 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1301 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1303 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1304 (sparc64-*-linux*): Likewise.
1305 (sparc64-*-solaris2*): Include assembler files before linker ones.
1306 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1307 * config/sparc/gas.h: Delete.
1308 * config/sparc/sol2-64.h: Add copyright notice.
1309 * config/sparc/sol2-gas-bi.h: Likewise.
1310 * config/sparc/sol2-gld.h: Likewise.
1311 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1312 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1313 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1314 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1315 (sparc_elf_asm_named_section): Rename into...
1316 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1318 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1320 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1322 2010-03-02 Jeff Law <law@redhat.com>
1325 * reload1.c (rtx_p, substitute_stack): Declare.
1326 (substitute): Record addresses of changed rtxs.
1327 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1328 Restore the original rtx when complete.
1329 (reload): Free subsitute_stack when complete.
1331 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1333 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1334 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1336 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1337 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1338 Torture Tests): Change from subsection to section.
1340 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1341 Steven Bosscher <steven@gcc.gnu.org>
1343 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1346 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1349 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1350 the assignment from the new induction variable to the assignment
1351 of the value from the original loop PHI function.
1353 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1354 Daniel Jacobowitz <dan@codesourcery.com>
1356 * doc/sourcebuild.texi (Test directives): Clarify options to
1359 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1361 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1362 Disable cfi directives unless GCC and gas agree on using read-only
1363 .eh_frame sections for 64-bit.
1364 * configure: Regenerate.
1366 2010-03-01 Richard Guenther <rguenther@suse.de>
1368 PR tree-optimization/43220
1369 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1370 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1372 2010-03-01 Richard Guenther <rguenther@suse.de>
1373 Martin Jambor <mjambor@suse.cz>
1376 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1377 gimplified parameters.
1379 2010-03-01 Christian Bruel <christian.bruel@st.com>
1381 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1383 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1385 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1387 2010-03-01 Richard Guenther <rguenther@suse.de>
1390 * expr.c (expand_assignment): Use the alias-oracle to tell
1391 if the rhs aliases the result decl.
1393 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1396 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1397 to sol_gt_pch_get_address.
1398 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1399 64-bit, SPARC and x86.
1400 (sol_gt_pch_get_address): New function.
1402 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1404 * toplev.h (inform_n, error_n): Declare.
1405 * diagnostic.c (inform_n, error_n): New function.
1407 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1409 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1410 has no rtl yet when processing local_decls, queue it and recheck
1411 if deferred stack allocation hasn't assigned it rtl.
1413 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1415 * config/sh/sh.c (unspec_bbr_uid): New.
1416 (gen_block_redirect): Use it instead of INSN_UID.
1417 (gen_far_branch): Likewise.
1419 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1421 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1422 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1424 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1426 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1427 (Warning Options): -Wno-conversion-null is valid for
1428 Objective-C++ as well.
1429 * doc/tm.texi (Named Address Spaces): Likewise.
1430 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1431 * doc/tree-ssa.texi (Tree SSA): Likewise.
1433 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1436 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1437 by default. Don't set the default arch for
1438 i[34567]86-*-darwin*|x86_64-*-darwin*.
1440 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1443 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1444 default. Set the default 32bit/64bit archs with $with_arch
1445 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1447 2010-02-27 Richard Guenther <rguenther@suse.de>
1449 PR tree-optimization/43186
1450 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1451 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1452 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1453 unroller iterations.
1455 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1457 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1458 required and i[34567]86-*-* targets don't support 64bit ISA.
1460 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1463 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1466 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1468 * config.gcc: Set the default arch at least to Prescott for
1469 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1470 if SSE math is enabled.
1472 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1474 * diagnostic.c (diagnostic_initialize): Update.
1475 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1477 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1478 (diagnostic_inhibit_notes): New.
1479 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1481 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1484 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1485 * doc/standards.texi: Likewise.
1486 * doc/extend.texi: Likewise.
1487 * doc/trouble.texi: Likewise.
1488 * doc/cppopts.texi: Likewise.
1489 * doc/install.texi: Likewise.
1490 * c.opt (std=c90,std=gnu90): New options.
1491 * c-opts.c (c_common_handle_option): Handle them.
1493 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1496 * c-decl.c (undeclared_variable): Use an informative note.
1498 2010-02-26 Richard Guenther <rguenther@suse.de>
1500 PR tree-optimization/43186
1501 * gimple.h (gimple_fold): Remove.
1502 * gimple.c (gimple_fold): Remove. Inline into single user ...
1503 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1504 Try harder for conditions.
1506 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1509 * function.c (used_types_insert): Don't skip through named pointer
1510 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1511 and it is different from the main variant's type.
1513 2010-02-26 Nick Clifton <nickc@redhat.com>
1515 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1517 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1519 * config.gcc: Support --with-fpmath=sse for x86.
1521 * config/i386/ssemath.h: New.
1523 * doc/install.texi (--with-fpmath=sse): Documented.
1525 2010-02-26 Richard Guenther <rguenther@suse.de>
1527 PR tree-optimization/43188
1528 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1529 vector types of over-aligned element type.
1531 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1534 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1535 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1537 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1539 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1541 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1543 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1544 * var-tracking.c: Include diagnostic.h.
1545 (debug_dv): New function.
1546 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1549 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1550 (add_value_chain, add_value_chains, remove_value_chain,
1551 remove_value_chains): Handle DEBUG_EXPRs.
1552 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1555 * regcprop.c (struct queued_debug_insn_change): New type.
1556 (struct value_data_entry): Add debug_insn_changes field.
1557 (struct value_data): Add n_debug_insn_changes field.
1558 (debug_insn_changes_pool): New variable.
1559 (free_debug_insn_changes, apply_debug_insn_changes,
1560 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1561 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1562 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1564 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1566 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1567 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1568 changes, call cprop_find_used_regs via note_stores.
1569 (copyprop_hardreg_forward): When copying vd from predecessor
1570 which has any queued DEBUG_INSN changes, make sure the pointers are
1571 cleared. At the end call df_analyze and then if there are any
1572 DEBUG_INSN changes queued at the end of some basic block for still
1573 live registers, apply them.
1574 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1576 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1578 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1581 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1583 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1584 targets. Set the default with_cpu/with_arch from arch/cpu.
1585 Allow x86-64 and native for with_cpu/with_arch.
1587 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1589 * ebitmap.c: Change calls to verify_popcount with calls to
1590 sbitmap_verify_popcount.
1591 (ebitmap_clear_bit): Fixed map->cacheindex test and
1592 map>cache update when bit clearing results in an empty
1595 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1598 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1599 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1600 and support both V2DF and V2DI modes.
1601 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1602 support both V2DF and V2DI modes.
1603 (general): Delete trailing whitespace from a few patterns.
1605 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1606 V2DF/V2DI interleave high/low builtins.
1608 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1611 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1612 interleave high/low functions.
1614 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1616 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1617 #pragma extern_prefix.
1619 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1622 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1623 BLKmode, assert op0 is a MEM and just adjust its mode.
1626 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1627 if bitpos isn't multiple of mode's bitsize.
1629 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1631 * c.opt (-ftemplate-depth=): New.
1632 (-ftemplate-depth-): Deprecate.
1633 * optc-gen.awk: Handle -ftemplate-depth=.
1634 * opth-gen.awk: Likewise.
1635 * c-opts.c (c_common_handle_option): Likewise.
1636 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1638 2010-02-24 Jason Merrill <jason@redhat.com>
1640 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1642 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1644 * cfg.c (alloc_aux_for_block): Remove inline.
1645 (alloc_aux_for_edge): Likewise.
1647 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1649 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1651 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1653 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1654 * config/i386/sol2-gas.h: New file.
1655 * config.gcc (i[34567]86-*-solaris2*): Use it.
1657 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1660 * c-typeck.c (ep_convert_and_check): New.
1661 (build_conditional_expr): Use it.
1662 (build_binary_op): Likewise.
1664 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1666 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1669 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1670 bounds even for -O+.
1671 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1672 expr needs to have DECL_NAME set.
1674 2010-02-24 Nick Clifton <nickc@redhat.com>
1676 * config/mep/mep.c: Include gimple.h.
1677 (mep_function_uses_sp): Delete unused function.
1678 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1679 parameters. Use unsigned integers to count args. Return a
1680 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1682 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1685 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1686 greater or equal to nelt instead of 2 * nelt.
1687 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1690 2010-02-23 Jason Merrill <jason@redhat.com>
1693 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1694 in cfun->local_decls even if they have register types.
1697 * stor-layout.c (place_field): Don't warn about unnecessary
1698 DECL_PACKED if the type is packed.
1700 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1703 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1704 GOTOFF relocs, even when the base reg isn't pic pointer.
1706 2010-02-23 Michael Matz <matz@suse.de>
1709 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1710 (expand_gimple_basic_block): Generate and use debug temps if there
1711 are debug uses left after the last real use of TERed ssa names.
1712 Unlink debug immediate uses when they are expanded.
1714 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1717 * config/i386/i386.c (override_options): Reorganise to provide
1718 better error messages.
1720 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1723 * graphite-scop-detection.c (create_single_exit_edge): Move
1724 the call to find_single_exit_edge to....
1725 (create_sese_edges): ...here. Don't handle multiple edges
1726 exiting the function.
1727 (build_graphite_scops): Don't handle multiple edges
1728 exiting the function.
1730 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1733 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1734 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1736 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1739 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1741 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1744 * c-typeck.c (convert_arguments): Print declaration location.
1745 * c-common.c (validate_nargs): Rename as
1746 builtin_function_validate_nargs.
1747 (check_builtin_function_arguments): Update.
1749 2010-02-22 Richard Guenther <rguenther@suse.de>
1752 * tree-inline.c (declare_return_variable): Use the type of
1753 the call stmt lhs if available.
1755 2010-02-22 Duncan Sands <baldrick@free.fr>
1757 * passes.c (register_pass): Always consider all pass lists when
1758 ref_pass_instance_number is zero.
1760 2010-02-22 Richard Guenther <rguenther@suse.de>
1762 PR tree-optimization/42749
1763 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1764 parameter. Do arithmetic in the original type.
1765 (update_accumulator_with_ops): Likewise.
1766 (adjust_accumulator_values): Adjust.
1768 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1770 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1771 (QI to BLKmode splitter): New splitter.
1773 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1775 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1776 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1778 2010-02-22 Richard Guenther <rguenther@suse.de>
1780 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1782 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1784 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1785 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1786 ($(T)crti.o, $(T)crtn.o): Remove rules.
1788 2010-02-21 Tobias Burnus <burnus@net-b.de>
1791 * doc/invoke.texi (-fassociative-math): Document that this
1792 option is automatically enabled for Fortran.
1794 2010-02-20 David S. Miller <davem@davemloft.net>
1796 * configure.ac: Test if linker and assembler properly support
1797 GOTDATA_OP relocations.
1798 * configure: Rebuild.
1799 * config.in: Likewise.
1800 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1801 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1802 (movsi_high_pic): Likewise.
1803 (movdi_lo_sum_pic): Likewise.
1804 (movdi_high_pic): Likewise.
1805 (movsi_pic_gotdata_op): New pattern.
1806 (movdi_pic_gotdata_op): Likewise.
1807 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1808 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1810 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1813 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1814 attribute to ssemul.
1815 (xop_mulv2div2di3_high): Ditto.
1817 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1820 * c.opt (Wconversion-null): New option.
1821 * doc/invoke.texi (Wconversion-null): Document.
1823 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1825 * common.opt (Wlarger-than-): Add Undocumented.
1827 2010-02-19 Mike Stump <mikestump@comcast.net>
1829 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1831 2010-02-19 Jason Merrill <jason@redhat.com>
1834 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1835 * configure: Likewise.
1837 2010-02-20 Alan Modra <amodra@gmail.com>
1840 * cgraph.h (cgraph_make_decl_local): Declare.
1841 * cgraph.c (cgraph_make_decl_local): New function.
1842 (cgraph_make_node_local): Use it.
1843 * cgraphunit.c (cgraph_function_versioning): Likewise.
1844 * ipa.c (function_and_variable_visibility): Likewise.
1846 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1849 * except.c (sjlj_emit_function_enter): Don't call
1850 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1852 * rtl.h (add_reg_br_prob_note): Remove prototype.
1854 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1857 * c-common.c (conversion_warning): Remove widening conversions
1858 before checking the conversion of integers to reals.
1860 2010-02-19 Mike Stump <mikestump@comcast.net>
1863 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1866 * cgraphunit.c (process_function_and_variable_attributes): Check
1867 DECL_PRESERVE_P instead of looking up attribute "used".
1868 * ipa-pure-const.c (check_decl): Likewise.
1869 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1870 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1871 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1872 instead of attribute "used".
1873 * config/sol2-c.c (solaris_pragma_init): Likewise.
1874 (solaris_pragma_fini): Likewise.
1876 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1878 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1879 Use XCNEW instead of xcalloc.
1880 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1881 XNEW instead of xmalloc.
1882 (get_fields): Use XNEWVEC instead of xmalloc.
1885 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1886 populate vars array.
1887 (create_new_general_access): For debug stmts just reset value.
1888 (get_stmt_accesses): For accesses within debug stmts just record them
1889 using add_access_to_acc_sites instead of preventing the peeling or
1890 counting them as accesses.
1893 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1895 2010-02-19 Richard Guenther <rguenther@suse.de>
1897 PR tree-optimization/42916
1898 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1901 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1903 * configure.ac: Replace all uses of changequote in macro arguments
1904 with proper quoting.
1906 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1909 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1911 2010-02-19 Richard Guenther <rguenther@suse.de>
1913 PR tree-optimization/42944
1914 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1915 test for aliasing with errno.
1917 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1920 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1921 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1922 * dojump.c: Include output.h.
1923 (inv): New inline function.
1924 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1925 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1926 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1927 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1928 argument, pass it down to other calls.
1929 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1930 add REG_BR_PROB note to the conditional jump.
1931 * cfgexpand.c (add_reg_br_prob_note): Removed.
1932 (expand_gimple_cond): Don't call it, add the probability
1933 as last argument to jumpif_1/jumpifnot_1.
1934 * Makefile.in (dojump.o): Depend on output.h.
1935 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1937 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1938 * stmt.c (do_jump_if_equal): Likewise.
1939 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1940 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1941 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1943 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1944 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1945 jumpifnot_1 callers.
1946 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1948 (store_expr): Adjust jumpifnot caller.
1949 (store_constructor): Adjust jumpif caller.
1952 * gimplify.c (gimple_boolify): For __builtin_expect call
1953 gimple_boolify also on its first argument.
1955 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1957 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1959 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1960 * configure: Regenerated.
1962 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1964 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1965 lang_hooks.types_compatible_p instead of comptypes.
1967 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1969 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1970 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1971 if __prefer_thumb__ is defined.
1973 2010-02-18 Martin Jambor <mjambor@suse.cz>
1975 PR tree-optimization/43066
1976 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1977 array with zero-sized element type.
1979 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1981 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1982 rtx, allocate struct var_loc_node here and return it to the
1983 caller, and only if it is actually needed.
1984 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1985 move it earlier and return immediately if it returns NULL.
1987 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1989 * config/sparc/gas.h: New file. Restore
1990 TARGET_ASM_NAMED_SECTION to its ELF default.
1991 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1993 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1994 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1995 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1996 after sparc/sysv4.h.
1998 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
2000 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
2002 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
2004 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
2005 patterns from predicated pattern.
2007 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
2010 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
2011 for insn mnemonic suffix.
2013 2010-02-17 Richard Guenther <rguenther@suse.de>
2015 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
2018 2010-02-17 Jakub Jelinek <jakub@redhat.com>
2021 * caller-save.c (save_call_clobbered_regs): If BB ends with
2022 a DEBUG_INSN, move any notes in between last real insn and the last
2023 DEBUG_INSN after the last DEBUG_INSN.
2025 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
2027 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
2028 Fix return type. Fix argument type. Explain meaning of return value.
2030 2010-02-16 Richard Guenther <rguenther@suse.de>
2032 PR tree-optimization/41043
2033 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
2034 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
2036 (vrp_visit_phi_node): ... but only for loop PHI nodes.
2038 2010-02-16 Ira Rosen <irar@il.ibm.com>
2040 PR tree-optimization/43074
2041 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
2042 * tree-vect-loop.c (vect_analyze_loop_operations): Add
2043 vectorizable cycles in hybrid SLP check.
2044 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
2046 2010-02-16 Richard Guenther <rguenther@suse.de>
2048 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
2049 (true_dependence): If memrefs_conflict_p computes must-alias
2050 trust it. Move TBAA check after offset-based disambiguation.
2051 (canon_true_dependence): Likewise.
2053 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
2055 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
2056 * doc/invoke.texi: Document it.
2057 * var-tracking.c: Include toplev.h and params.h.
2058 (vt_find_locations): Return bool indicating success. Compute
2059 hash sizes unconditionally. Check new parameter, report.
2060 (variable_tracking_main_1): Check vt_find_locations results and
2061 retry. Renamed from...
2062 (variable_tracking_main): ... this. New wrapper to preserve
2063 flag_var_tracking_assignments.
2064 * Makefile.in (var-tracking.o): Adjust dependencies.
2066 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
2067 Jakub Jelinek <jakub@redhat.com>
2070 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
2071 if weak_import attribute is present.
2072 * config/darwin.c (machopic_select_section): Likewise.
2074 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
2076 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
2077 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
2078 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
2079 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
2081 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
2083 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2086 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
2087 Rewrite text to refer to the names.
2089 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
2091 * config/i386/i386-builtin-types.def
2092 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
2093 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
2094 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
2095 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
2096 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
2097 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
2098 IX86_BUILTIN_VPERMIL2PS256.
2099 (MULTI_ARG_4_DF2_DI_I): Defined.
2100 (MULTI_ARG_4_DF2_DI_I1): Defined.
2101 (MULTI_ARG_4_SF2_SI_I): Defined.
2102 (MULTI_ARG_4_SF2_SI_I1): Defined.
2103 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
2104 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
2105 __builtin_ia32_vpermil2ps256.
2106 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2107 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2108 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
2109 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2110 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2111 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
2112 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
2113 CODE_FOR_xop_vpermil2v8sf3.
2114 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
2115 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
2116 * config/i386/xopintrin.h (_mm_permute2_pd): New.
2117 (_mm256_permute2_pd): New.
2118 (_mm_permute2_ps): New.
2119 (_mm256_permute2_ps): New.
2121 2010-02-15 Nick Clifton <nickc@redhat.com>
2123 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
2124 boolean parameters. Use emit_jump_insn when emitting a pop
2125 instruction containing a return insn.
2126 (push): Use 'true' rather than '1' as second parameter to F.
2127 (h8300_expand_prologue): Likewise.
2128 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
2129 (h8300_expand_epilogue): Likewise.
2131 2010-02-15 Richard Guenther <rguenther@suse.de>
2134 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
2137 2010-02-15 Nick Clifton <nickc@redhat.com>
2139 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
2142 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
2144 * intl.c (fake_ngettext): New function.
2145 * intl.h (fake_ngettext): Declare.
2146 (ngettext): Define macro.
2147 * collect2.c (notice_translated): New function.
2148 (main): Use notice_translated and ngettext.
2149 * collect2.h (notice_translated): Declare.
2151 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
2153 * reorg.c (delete_computation): Comment fixes.
2154 * caller-save.c (setup_save_areas): Idem.
2155 * sel-sched-dump.c (dump_lv_set): Idem.
2158 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2160 * config/s390/s390.c (s390_sched_init): New function.
2161 (TARGET_SCHED_INIT): Target hook defined.
2163 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
2164 Jack Howarth <howarth@bromo.med.uc.edu>
2165 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2168 Partial revert of unintended change in fix for PR41605.
2169 * config/darwin.h: Fix typo.
2170 * config/darwin9.h: Same.
2172 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2174 * c-pch.c (pch_init): Clear v.
2176 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2179 * graphite-scop-detection.c (graphite_can_represent_scev): Call
2180 graphite_can_represent_init for MULT_EXPR.
2182 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2186 * graphite-sese-to-poly.c (remove_phi): New.
2187 (translate_scalar_reduction_to_array): Call remove_phi.
2189 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2192 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2193 * graphite-clast-to-gimple.h (gloog): Update declaration.
2194 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2195 * graphite-poly.h (struct poly_bb): Add missing comments.
2196 (struct scop): Add poly_scop_p field.
2198 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2199 * graphite.c (graphite_transform_loops): Build the polyhedral
2200 representation for each scop before code generation.
2201 * sese.c (rename_variables_in_operand): Removed.
2202 (rename_variables_in_expr): Return the renamed expression.
2203 (rename_sese_parameters): New.
2204 * sese.h (rename_sese_parameters): Declared.
2206 2010-02-11 Richard Guenther <rguenther@suse.de>
2208 PR tree-optimization/42998
2209 * tree-ssa-pre.c (create_expression_by_pieces): Treat
2210 POINTER_PLUS_EXPR properly.
2212 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2213 Changpeng Fang <changpeng.fang@amd.com>
2216 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2217 the cost of an IV candidate when the IV is used in a test against zero.
2219 * gcc.dg/tree-ssa/ivopts-3.c: New.
2221 2010-02-11 Richard Guenther <rguenther@suse.de>
2224 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2225 pointer-vs-decl case by swapping refs. Handle some cases
2226 of pointer-vs-decl disambiguations more conservatively.
2227 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2228 to false after expanding.
2230 2010-02-11 Richard Guenther <rguenther@suse.de>
2233 * gcc.c (process_command): Handle LTO file@offset case more
2236 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2238 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2239 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2241 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2243 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2244 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2245 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2246 Optimize eq/ne comparisons when both arguments are known to be
2248 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2249 Don't mask operands unnecessarily if they are known to be already
2252 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2254 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2257 2010-02-10 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/43017
2260 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2261 for wrapping signed arithmetic.
2263 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2266 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2267 if no debug info should be emitted for it.
2269 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2271 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2272 note when flag_exceptions is set.
2274 2010-02-10 Duncan Sands <baldrick@free.fr>
2276 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2278 2010-02-10 Richard Guenther <rguenther@suse.de>
2281 * tree.c (get_unwidened): Handle constants.
2282 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2284 2010-02-10 Martin Jambor <mjambor@suse.cz>
2287 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2288 check for variable argument counts independently.
2290 2010-02-10 Christian Bruel <christian.bruel@st.com>
2293 * config/sh/sh.c (find_barrier): Increase length for non delayed
2294 conditional branches.
2296 2010-02-10 Christian Bruel <christian.bruel@st.com>
2298 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2300 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2302 * builtins.c (set_builtin_user_assembler_name): Also handle
2303 ffs if int is smaller than word.
2305 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2308 * ira-conflicts.c (get_dup): Remove.
2309 (process_reg_shuffles): Add new parameter. Use it as an
2310 additional guard for copy generation.
2311 (add_insn_allocno_copies): Rewrite.
2313 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2315 * common.opt (fsched2-use-traces): Preserved for backward
2317 * doc/invoke.texi: Remove the documentation about option
2318 -fsched2-use-traces.
2319 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2320 flag_sched2_use_traces.
2321 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2322 the backward compatibility flag section.
2324 2010-02-09 Richard Guenther <rguenther@suse.de>
2326 PR tree-optimization/43008
2327 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2328 make HEAP variables initialized from global memory if they
2329 are not known builtin functions.
2330 (find_func_aliases): Adjust.
2332 2010-02-09 Richard Guenther <rguenther@suse.de>
2334 PR tree-optimization/43000
2335 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2336 arithmetic manually.
2338 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2340 PR tree-optimization/42931
2341 * tree-loop-linear.c (try_interchange_loops): Don't call
2342 double_int_mul if estimated_loop_iterations failed.
2344 2010-02-08 Martin Jambor <mjambor@suse.cz>
2347 * tree-sra.c (build_accesses_from_assign): Do not mark in
2348 should_scalarize_away_bitmap if stmt has volatile ops.
2349 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2352 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2354 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2356 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2358 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2361 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2364 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2366 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2369 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2370 to unknown_dependence.
2371 (graphite_legal_transform_dr): Handle the unknown_dependence.
2372 (graphite_carried_dependence_level_k): Same.
2374 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2376 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2378 2010-02-07 Richard Guenther <rguenther@suse.de>
2381 * expr.c (get_inner_reference): Always initialize *pbitsize.
2383 2010-02-07 Richard Guenther <rguenther@suse.de>
2386 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2387 new ARRAY_REFs on variable size element or minimal index arrays.
2389 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2390 gimple_fold_indirect_ref.
2392 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2395 * arm.c (arm_override_options): Just return if the user has specified
2396 an invalid fpu name.
2398 2010-02-03 Jason Merrill <jason@redhat.com>
2401 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2402 i386_pe_maybe_record_exported_symbol.
2404 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2407 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2408 (pa_delegitimize_address): New function.
2410 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2412 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2413 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2415 2010-02-05 Richard Guenther <rguenther@suse.de>
2418 * lto-streamer-in.c (get_resolution): Deal with references
2419 to undefined functions.
2421 2010-02-05 Richard Guenther <rguenther@suse.de>
2423 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2424 (fold_const_aggregate_ref): Likewise.
2425 (ccp_fold_stmt): Substitute loads.
2426 (maybe_fold_reference): Verify types before substituting.
2428 (fold_gimple_assign): Unshare properly.
2429 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2431 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2433 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2434 for rs6000_gen_cell_microcode.
2436 2010-02-04 Richard Guenther <rguenther@suse.de>
2438 PR rtl-optimization/42952
2439 * dse.c (const_or_frame_p): Remove MEM handling.
2441 2010-02-04 Nick Clifton <nickc@redhat.com>
2443 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2444 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2445 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2446 (mn10300_asm_output_mi_thunk): New function.
2447 (mn10300_can_output_mu_thunk): New function.
2448 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2449 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2450 (FUNCTION_ARG): Delete incorrect comment.
2452 2010-02-03 Jason Merrill <jason@redhat.com>
2455 * fold-const.c (operand_equal_p): Handle erroneous types.
2457 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2459 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2461 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2463 PR rtl-optimization/42941
2464 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2467 2010-02-03 Jason Merrill <jason@redhat.com>
2470 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2472 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2475 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2476 (cselib_reset_table): Renamed from...
2477 (cselib_reset_table_with_next_value): ... this.
2478 (cselib_get_next_uid): Renamed from...
2479 (cselib_get_next_unknown_value): ... this.
2480 * cselib.c (next_uid): Renamed from...
2481 (next_unknown_value): ... this.
2482 (cselib_clear_table): Adjust.
2483 (cselib_reset_table): Adjust. Renamed from...
2484 (cselib_reset_table_with_next_value): ... this.
2485 (cselib_get_next_uid): Adjust. Renamed from...
2486 (cselib_get_next_unknown_value): ... this.
2487 (get_value_hash): Use hash.
2488 (cselib_hash_rtx): Likewise.
2489 (new_cselib_val): Adjust. Set and dump uid.
2490 (cselib_lookup_mem): Pass next_uid as hash.
2491 (cselib_subst_to_values): Likewise.
2492 (cselib_log_lookup): Dump uid.
2493 (cselib_lookup): Pass next_uid as hash. Adjust.
2494 (cselib_process_insn): Adjust.
2495 (cselib_init): Initialize next_uid.
2496 (cselib_finish): Adjust.
2497 (dump_cselib_table): Likewise.
2498 * dse.c (canon_address): Dump value uid.
2499 * print-rtl.c (print_rtx): Print value uid.
2500 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2502 (dv_uid): New function, sort of renamed from...
2503 (dv_htab_hash): ... this, reimplemented in terms of it and...
2504 (dv_uid2hash): ... this. New.
2505 (variable_htab_eq): Drop excess assertions.
2506 (tie_break_pointers): Removed.
2507 (canon_value_cmp): Compare uids.
2508 (variable_post_merge_New_vals): Print uids.
2509 (vt_add_function_parameters): Adjust.
2510 (vt_initialize): Reset table. Adjust.
2512 2010-02-03 Richard Guenther <rguenther@suse.de>
2514 PR tree-optimization/42944
2515 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2516 (call_may_clobber_ref_p_1): Likewise. Properly handle
2517 malloc and calloc clobbering errno.
2519 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2521 * doc/invoke.texi: Fix name of sched1 dump.
2523 * opts.c (decode_options): Set flag_tree_switch_conversion
2524 only conditionally on optimize >= 2.
2526 * gcse.c: Assorted comment fixes in pass description.
2528 2010-02-03 Anthony Green <green@moxielogic.com>
2530 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2531 nop padding in order to maintain alignment of storage location of
2532 target function address.
2533 (moxie_trampoline_init): Store target function address at newly
2535 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2537 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2539 2010-02-03 Richard Guenther <rguenther@suse.de>
2542 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2544 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2546 * config.gcc: Reenable check for obsolete targets.
2547 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2548 mips-sgi-irix6.[0-4]*.
2550 2010-02-02 Nick Clifton <nickc@redhat.com>
2552 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2553 constant size of 4 as being the same as 0.
2554 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2555 can take values in the range 0..4.
2557 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2560 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2561 as _darwin10_Unwind_FindEnclosingFunction().
2562 * libgcc-libsystem.ver: New.
2564 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2567 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2568 implicitly set registers.
2570 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2572 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2573 (arm_override_options): Allow automatic selection of the thread
2574 pointer register if thumb2.
2575 (legitimize_pic_address): Improve code sequences for Thumb2.
2576 (arm_call_tls_get_addr): Likewise.
2577 (legitimize_tls_address): Likewise.
2578 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2579 (pic_load_addr_32bit): ... this. New named pattern.
2580 * thumb2.md (pic_load_addr_thumb2): Delete.
2581 (pic_load_dot_plus_four): Delete.
2582 (tls_load_dot_plus_four): New named pattern.
2584 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2587 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2588 Document fix for TLS bug.
2590 2010-01-31 Richard Guenther <rguenther@suse.de>
2592 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2593 conservatively correct.
2595 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2599 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2601 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2603 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2605 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2607 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2609 * config.gcc: Adjust order of makefile fragments for mingw targets.
2611 2010-01-31 Richard Guenther <rguenther@suse.de>
2614 * gimplify.c (gimplify_init_constructor): For volatile LHS
2615 initialize a temporary.
2617 2010-01-31 Matthias Klose <doko@ubuntu.com>
2619 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2621 * configure: Regenerate.
2623 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2625 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2626 the same alias set and their sizes different constantness.
2627 (aliasing_component_refs_p): Revert 2009-10-24 change.
2629 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2631 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2634 2010-01-29 Richard Guenther <rguenther@suse.de>
2636 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2637 Assert we successfully updated the call.
2639 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2641 PR rtl-optimization/42889
2642 * df.h (df_set_bb_dirty_nonlr): New prototype.
2643 * df-core.c (df_set_bb_dirty_nonlr): New function.
2644 * df-scan.c (df_insn_rescan): Call it instead of
2645 df_set_bb_dirty for DEBUG_INSNs.
2647 2010-01-29 Richard Guenther <rguenther@suse.de>
2650 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2651 quadratic behavior in most cases.
2653 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2656 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2657 in the call to gen_x86_movsicc_0_m1.
2659 2010-01-28 Richard Guenther <rguenther@suse.de>
2661 PR tree-optimization/42871
2662 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2664 2010-01-28 Richard Guenther <rguenther@suse.de>
2666 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2667 into call arguments.
2669 2010-01-28 Richard Guenther <rguenther@suse.de>
2672 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2673 the forwarder if the destination is an EH landing pad.
2675 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2677 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2678 block list passed to gimple_duplicate_sese_tail.
2679 (parallelize_loops): Avoid parallelization when the function
2681 Avoid parallelization when the preheader is IRREDUCIBLE.
2682 Try to optimize when estimated_loop_iterations_int is unresolved.
2683 Add the loop's location to the dump file.
2684 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2685 (gimple_duplicate_sese_tail): Remove the check for the latch.
2686 Redirect nexits to the exit block.
2687 Remove handling of the incoming edges to the latch.
2688 Redirect the backedge from the copied latch to the exit bb.
2690 2010-01-28 Michael Matz <matz@suse.de>
2693 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2694 Wrap force_reg into a sequence, emit it before user.
2696 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2698 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2700 (arm_legacy_rev): Likewise.
2701 (thumb_legacy_rev): Likewise.
2703 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2705 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2706 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2707 on MEM's address failed, try avoid_constant_pool_reference and
2708 recurse if it returned something different.
2709 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2710 address, try avoid_constant_pool_reference and recurse if it
2711 returned something different.
2712 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2713 address and avoid_constant_pool_reference returned something
2714 different, don't set have_address.
2716 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2719 * var-tracking.c (val_store): Add modified argument, obey it.
2721 (count_uses): Move down logging of main.
2722 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2723 don't need resolution.
2724 (emit_notes_in_bb): Likewise.
2726 2010-01-27 Richard Guenther <rguenther@suse.de>
2729 * tree-inline.c (remap_decl): Delay remapping of SSA name
2730 default definitions until we need them.
2732 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2734 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2735 (rs6000_delegitimize_address): New function.
2737 * config/s390/s390.c (s390_delegitimize_address): Call
2738 delegitimize_mem_from_attrs.
2741 * tree-inline.c (cannot_copy_type_1): Removed.
2742 (copy_forbidden): Don't forbid copying of functions containing
2743 records/unions with variable length fields.
2745 2010-01-27 Christian Bruel <christian.bruel@st.com>
2749 * config/sh/sh.c (find_barrier): Increase length for non delayed
2750 conditional branches.
2752 2010-01-27 Matthias Klose <doko@ubuntu.com>
2754 * configure.ac (gnu-unique-object): Fix ldd version check.
2755 * configure: Regenerate.
2757 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2759 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2761 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2762 Test for HAVE_GNU_AS value.
2764 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2766 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2767 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2768 INT64_TYPE): Define.
2769 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2770 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2771 INT_LEAST64_TYPE): Define.
2772 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2773 UINT_LEAST64_TYPE): Define.
2774 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2775 INT_FAST64_TYPE): Define.
2776 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2777 UINT_FAST64_TYPE): Define.
2778 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2779 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2780 (SIG_ATOMIC_TYPE): Define.
2782 2010-01-26 Richard Guenther <rguenther@suse.de>
2784 * df-scan.c (df_scan_set_bb_info): Remove assert.
2785 (df_insn_rescan_debug_internal): Merge asserts.
2786 (df_install_ref): Likewise.
2787 (df_mark_reg): Use bitmap_set_range.
2788 (df_hard_reg_used_p): Remove assert.
2789 (df_hard_reg_used_count): Likewise.
2791 2010-01-26 Richard Guenther <rguenther@suse.de>
2793 PR rtl-optimization/42685
2794 * web.c (web_main): Ignore DEBUG_INSNs.
2796 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2798 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2800 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2801 Fix types of fndecl and arglist parameters.
2803 2010-01-26 Richard Guenther <rguenther@suse.de>
2806 * tree-eh.c (unsplit_eh): Skip debug insns.
2808 2010-01-26 Richard Guenther <rguenther@suse.de>
2810 PR tree-optimization/42250
2811 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2813 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2816 * omp-low.c (expand_omp_sections): Only use single_pred if
2817 l2_bb is single_pred_p.
2819 2010-01-25 Christian Bruel <christian.bruel@st.com>
2822 * config/sh/sh.c (find_barrier): Increase length for non delayed
2823 conditional branches.
2824 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2826 2010-01-24 David S. Miller <davem@davemloft.net>
2828 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2829 define if not using GAS.
2830 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2831 Likewise. Delete SECTION_MERGE code, which is only applicable
2834 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2837 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2838 mangling of va_list in system headers.
2840 2010-01-23 Toon Moene <toon@moene.org>
2842 * tree-predcom.c (combine_chains): Return NULL, not false.
2844 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2846 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2847 initialization of variable res to agree with return type.
2849 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2851 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2852 * tree-sra.c: Add include of expr.h.
2854 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2856 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2857 insert the debug stmt on the single non-EH edge from the stmt.
2859 2010-01-22 Richard Henderson <rth@redhat.com>
2862 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2863 the RHS until after generate_subtree_copies has insertted its
2864 code before the current statement.
2866 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2868 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2870 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2872 2010-01-21 Martin Jambor <mjambor@suse.cz>
2874 PR tree-optimization/42585
2875 * tree-sra.c (struct access): New field grp_total_scalarization.
2876 (dump_access): Dump the new field.
2877 (should_scalarize_away_bitmap): New variable.
2878 (cannot_scalarize_away_bitmap): Likewise.
2879 (sra_initialize): Allocate new bitmaps.
2880 (sra_deinitialize): Free new bitmaps.
2881 (create_access_1): New function.
2882 (create_access): Parts moved to create_access_1.
2883 (type_consists_of_records_p): New function.
2884 (completely_scalarize_record): Likewise.
2885 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2886 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2887 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2889 (analyze_all_variable_accesses): Completely scalarize small eligible
2892 2010-01-21 Martin Jambor <mjambor@suse.cz>
2894 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2896 2010-01-21 Andrew Haley <aph@redhat.com>
2898 * gcc.c (process_command): Move lang_specific_driver before
2899 setting cc_libexec_prefix.
2901 2010-01-21 Richard Guenther <rguenther@suse.de>
2904 * fold-const.c (negate_expr_p): Pretend only negative
2905 real constants are easily negatable.
2907 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2908 Jason Merrill <jason@redhat.com>
2910 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2911 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2912 * calls.c (initialize argument_information): Handle it.
2913 * c-common.c (handle_transparent_union_attribute): Use new name.
2914 * c-decl.c (finish_struct): Ditto.
2915 * c-typeck.c (type_lists_compatible_p): Ditto.
2916 (convert_for_assignment): Use new name and also handle record.
2917 * function.c (aggregate_value_p): Handle it.
2918 (pass_by_reference): Ditto.
2919 (assign_parm_data_types): Ditto.
2920 * print-tree.c (print_node): Ditto.
2921 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2922 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2923 * tree.c (first_field): New fn.
2925 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2928 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2929 even when linking statically, for now.
2931 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2934 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2935 without a cselib val.
2936 (count_uses): Accept MO_VAL_SET with no val on stores.
2937 (add_stores): Likewise.
2939 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2941 * var-tracking.c (check_value_val): Add a compile time assertion.
2942 (dv_is_decl_p): Simplify.
2943 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2944 gcc_assert if ENABLE_CHECKING.
2946 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2949 * var-tracking.c: Include tree-flow.h.
2950 (mem_dies_at_call): New.
2951 (dataflow_set_preserve_mem_locs): Use it.
2952 (dataflow_set_remove_mem_locs): Likewise.
2953 (dump_var): Renamed from dump_variable. Adjust all callers.
2954 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2955 * Makefile.in (var-tracking.o): Adjust deps.
2957 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2959 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2961 2010-01-20 Richard Guenther <rguenther@suse.de>
2963 PR tree-optimization/42717
2964 * tree-ssa-dce.c (get_live_post_dom): Remove.
2965 (forward_edge_to_pdom): Take an arbitrary edge to copy
2966 degenerate PHI args from.
2967 (remove_dead_stmt): Use the first post-dominator even if it
2968 does not contain live statements as redirection destination.
2970 2010-01-20 Richard Guenther <rguenther@suse.de>
2972 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2974 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2976 * sel-sched.c (create_speculation_check): Remove set but not used
2978 (try_transformation_cache): Remove set but not used variable ds.
2979 (calculate_privileged_insns): Remove set but not used variables
2980 cur_insn and min_spec_insn.
2981 (find_best_expr): Remove set but not used variable avail_n.
2982 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2984 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2986 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2987 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2990 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2993 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2994 cpu types. Add support for *-sse3 cpu types.
2995 (x86_64-*-*): Ditto.
2997 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3000 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
3001 argument, call initializer_constant_valid_p_1 instead of
3002 initializer_constant_valid_p, pass CACHE to it, return NULL
3003 immediately if first call returns NULL.
3004 (initializer_constant_valid_p_1): New function.
3005 (initializer_constant_valid_p): Use it.
3007 2010-01-20 Thomas Quinot <quinot@adacore.com>
3009 * tree.def (PLACEHOLDER_EXPR): Fix comment.
3011 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3013 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
3014 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
3015 (loc_list_from_tree): Don't handle unsigned division. Handle
3016 signed modulo using DW_OP_{over,over,div,mul,minus}.
3017 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
3018 modulo instead of signed.
3020 2010-01-20 DJ Delorie <dj@redhat.com>
3022 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
3024 (h8300_emit_stack_adjustment): Propogate it.
3026 (h8300_expand_prologue): Likewise.
3027 (h8300_expand_epilogue): Likewise.
3029 2010-01-19 Michael Matz <matz@suse.de>
3031 PR tree-optimization/41783
3032 * tree-data-ref.c (toplevel): Include flags.h.
3033 (dump_data_dependence_relation): Also dump the inputs if the
3034 result will be unknown.
3035 (split_constant_offset_1): Look through some conversions.
3036 * tree-predcom.c (determine_roots_comp): Restart a new chain if
3037 the offset from last element is too large.
3038 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
3039 (reassociate_to_the_same_stmt): Handle vector registers.
3040 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
3042 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
3043 wide_prolog_niters argument, emit widening instructions.
3044 (vect_do_peeling_for_alignment): Adjust caller, use widened
3045 variant of the iteration cound.
3046 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
3048 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3051 * config/arm/neon-testgen.m (emit_automatics): New parameter
3052 features. Adjust for Fixed_return_reg feature.
3053 (test_intrinsic): Call emit_automatics with new feature.
3054 * config/arm/neon.ml: Update copyright years.
3055 (features): New Fixed_return_reg feature.
3056 (ops): Update feature for Vget_low.
3058 2010-01-19 Jakub Jelinek <jakub@redhat.com>
3060 PR tree-optimization/42719
3061 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
3065 * fwprop.c (all_uses_available_at): Return false if def_set dest
3066 is a REG that is used in def_insn.
3068 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
3070 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
3072 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
3075 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
3077 * target.h (struct gcc_target) <secondary_reload>: Change type
3078 of last argument to secondary_reload_info *.
3080 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
3083 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
3084 memory references with unaligned offsets. Remove CQImode handling.
3085 (unaligned_memory_operand): Return 1 for memory references with
3086 unaligned offsets. Remove CQImode handling.
3088 2010-01-18 Richard Guenther <rguenther@suse.de>
3091 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
3094 2010-01-18 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/42781
3097 * tree-ssa-structalias.c (find_what_var_points_to): Skip
3098 restrict processing only if the original variable was artificial.
3100 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
3102 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
3103 find number of popped argument bytes.
3105 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
3106 Fix the text that describes the return value for invalid insns.
3108 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
3110 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
3111 Clarify what 'cost of the -dependence' is. Fix quoting.
3113 * toplev.c (default_get_pch_validity): Rename argument to "sz".
3114 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
3116 2010-01-17 Jakub Jelinek <jakub@redhat.com>
3118 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3119 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
3121 2010-01-17 Richard Guenther <rguenther@suse.de>
3124 * function.c (split_complex_args): Take a VEC to modify.
3125 (assign_parms_augmented_arg_list): Build a VEC instead of
3126 a chain of PARM_DECLs.
3127 (assign_parms_unsplit_complex): Take a VEC of arguments.
3128 Do not fixup unmodified parms.
3129 (assign_parms): Deal with the VEC.
3130 (gimplify_parameters): Likewise.
3132 2010-01-17 Richard Guenther <rguenther@suse.de>
3134 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
3135 node existence check.
3136 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
3137 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
3138 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
3139 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
3140 (gimple_execute_on_growing_pred): Likewise.
3142 2010-01-17 Richard Guenther <rguenther@suse.de>
3144 PR tree-optimization/42773
3145 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
3146 (compute_antic_aux): Likewise.
3147 (compute_partial_antic_aux): Likewise.
3149 2010-01-17 Jie Zhang <jie.zhang@analog.com>
3152 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
3155 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
3157 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
3160 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
3161 Fix markup for strict argument.
3163 (TARGET_SCHED_REORDER2): Fix argument types.
3165 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
3166 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
3168 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
3169 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
3171 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
3174 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
3175 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
3176 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
3177 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
3178 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
3180 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
3182 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
3184 (TARGET_ASM_RELOC_RW_MASK): Add return type.
3185 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
3187 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
3189 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
3192 (TARGET_ASM_NAMED_SECTION): Fix argument list.
3194 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
3195 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
3197 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
3199 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
3201 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
3202 referring to it. Fix language.
3204 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
3206 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
3208 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
3210 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
3212 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
3213 '@var{stream}. Remove stray 'and'.
3215 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3217 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3219 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3221 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3222 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3224 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3225 Fix description of return value.
3226 Rename argument "sz" to "len."
3228 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3229 Clarify meaning of 'true' return value.
3231 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3233 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3234 rep_mode versus mode_rep.
3236 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3238 (TARGET_BUILTIN_DECL): Fix name.
3240 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3242 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3244 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3246 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3248 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3250 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3253 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3254 Rename argument tm_fn to md_fn.
3256 (TARGET_OPTION_PRINT): Fix argument list.
3258 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3261 * config/i386/i386.c (ix86_fixup_binary_operands):
3262 Revert FMA4 fixup of operands.
3264 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3267 * Makefile.in (write_entries_to_file, install-plugin):
3268 Use \012 instead of \n with tr.
3270 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3272 * configure.ac (HAVE_AS_REF): New C macro.
3273 * configure: Regenerate.
3274 * config.in: Likewise.
3275 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3277 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3280 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3282 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3284 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3286 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3288 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3290 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3292 (TARGET_BINDS_LOCAL_P): Fix argument type.
3294 (TARGET_ASM_FILE_END): Use prototype.
3296 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3298 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3300 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3302 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3304 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3305 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3307 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3308 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3310 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3311 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3312 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3313 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3315 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3317 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3319 (TARGET_INIT_BUILTINS): Use prototype.
3321 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3322 Put 'const char *' in braces. Fix parameter types.
3323 (TARGET_INVALID_CONVERSION): Fix parameter types.
3324 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3325 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3327 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3330 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3332 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3334 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3336 * doc/tm.texi (TARGET_HELP): Fix return type.
3338 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3339 in braces. Fix argument types.
3341 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3343 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3345 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3347 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3348 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3350 (TARGET_MANGLE_TYPE): Fix argument types.
3352 (TARGET_IRA_COVER_CLASSES): Use prototype.
3354 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3356 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3358 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3360 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3362 (TARGET_CALLEE_COPIES): Fix argument types.
3364 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3366 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3368 (TARGET_FUNCTION_VALUE): Fix argument types.
3370 (TARGET_RETURN_IN_MSB): Fix argument type.
3372 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3374 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3376 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3378 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3379 agree with return type.
3381 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3383 2010-01-15 Jing Yu <jingyu@google.com>
3385 PR rtl-optimization/42691
3386 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3387 a pseudo to a constant and are merged, and adjust comments.
3389 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3391 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3393 2010-01-15 Richard Guenther <rguenther@suse.de>
3396 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3397 labels of computed or non-local gotos to the destination.
3398 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3399 landing pad label is the first label.
3401 2010-01-15 Richard Guenther <rguenther@suse.de>
3403 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3405 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3408 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3409 to allow generation of the xssqrtdp instruction on power7.
3410 (sqrtdf2_fpr): Ditto.
3412 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3415 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3416 functions with noreturn attribute.
3419 * varasm.c (declare_weak): Add weak attribute to decl if it
3420 doesn't have one already.
3421 (assemble_external): Only add decls to weak_decls if they also
3422 have weak attribute.
3424 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3426 * var-tracking.c (var_reg_delete): Don't delete the association
3427 between REGs and values or one-part variables if the register
3430 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3433 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3434 because its first operand is a non-localized variable.
3436 2010-01-14 Martin Jambor <mjambor@suse.cz>
3438 PR tree-optimization/42706
3439 * tree-sra.c (encountered_recursive_call): New variable.
3440 (encountered_unchangable_recursive_call): Likewise.
3441 (sra_initialize): Initialize both new variables.
3442 (callsite_has_enough_arguments_p): New function.
3443 (scan_function): Call decl and flags check only for IPA-SRA, check
3444 whether there is a recursive call and whether it has enough arguments.
3445 (all_callers_have_enough_arguments_p): New function.
3446 (convert_callers): Look for recursive calls only when
3447 encountered_recursive_call is set.
3448 (ipa_early_sra): Bail out either if
3449 !all_callers_have_enough_arguments_p or
3450 encountered_unchangable_recursive_call.
3452 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3454 * sel-sched.c: Add 2010 to copyright years.
3455 * sel-sched-ir.c: Likewise.
3456 * sel-sched-ir.h: Likewise.
3458 2010-01-14 Martin Jambor <mjambor@suse.cz>
3460 PR tree-optimization/42714
3461 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3462 constructors specially.
3464 2010-01-14 Andi Kleen <ak@linux.intel.com>
3466 * config/i386/drivers-i386.c (detect_caches_intel):
3467 Add l2sizekb parameter and fill in.
3468 (host_detect_local_cpu): Add l2sizekb, fill in.
3469 Add Atom small cache heuristic.
3471 2010-01-14 Andi Kleen <ak@linux.intel.com>
3473 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3474 Add level3 parameter and fill in.
3475 (detect_caches_intel): Handle level3 cache.
3477 2010-01-14 Andi Kleen <ak@linux.intel.com>
3479 * config/i386/drivers-i386.c (host_detect_local_cpu):
3480 Fix core duo detection.
3482 2010-01-14 Andi Kleen <ak@linux.intel.com>
3484 * config/i386/drivers-i386.c (host_detect_local_cpu):
3487 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3489 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3490 (rs6000_variable_issue_1): this. Use...
3491 (rs6000_variable_issue): here. Reimplement. Print debug info.
3493 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3495 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3496 sel_restore_notes. Update all callers. Call reemit_notes
3499 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3501 PR rtl-optimization/42246
3502 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3505 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3507 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3508 all successors is the same as number of successors in current region.
3510 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3512 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3513 to rename is not separable. Otherwise check that its LHS is not NULL.
3515 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3517 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3519 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3521 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3522 available registers when failed to discover LHS register class.
3523 Fix indentation. Update comment.
3525 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3526 Alexander Monakov <amonakov@ispras.ru>
3528 PR rtl-optimization/42389
3529 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3531 (advance_state_on_fence): Likewise.
3532 (sel_target_adjust_priority): Print debug output only when
3533 sched_verbose >= 4, not 2.
3534 (get_expr_cost): Do not issue all unique insns on the next cycle.
3535 (fill_insns): Initialize can_issue_more from the value saved
3537 * sel-sched-ir.c (flist_add): New parameter issue_more.
3538 Init FENCE_ISSUE_MORE with it.
3539 (merge_fences): Likewise.
3540 (init_fences): Update call to flist_add.
3541 (add_to_fences, add_clean_fence_to_fences)
3542 (add_dirty_fence_to_fences): Likewise.
3543 (move_fence_to_fences): Update call to merge_fences.
3544 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3546 * sel-sched-ir.h (struct _fence): New field issue_more.
3547 (FENCE_ISSUE_MORE): New accessor macro.
3549 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3551 PR rtl-optimization/42388
3552 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3553 that have no predecessors nor successors. Do not call move_bb_info
3554 for empty blocks outside of current region.
3556 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3558 PR rtl-optimization/42294
3559 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3560 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3561 originators' originators.
3563 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3565 PR rtl-optimization/39453
3566 PR rtl-optimization/42246
3567 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3569 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3571 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3572 Alexander Monakov <amonakov@ispras.ru>
3575 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3576 (maybe_tidy_empty_bb): ... here. Make static. Add new
3577 argument. Update all callers.
3578 (tidy_control_flow): ... and here. Recompute topological order
3579 of basic blocks in region if necessary.
3580 (sel_redirect_edge_and_branch): Change return type. Return true
3581 if topological order might have been invalidated.
3582 (purge_empty_blocks): Export and move from...
3583 * sel-sched.c (purge_empty_blocks): ... here.
3584 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3585 (maybe_tidy_empty_bb): Delete prototype.
3586 (purge_empty_blocks): Declare.
3588 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3590 PR rtl-optimization/42249
3591 * sel-sched.c (try_replace_dest_reg): When chosen register
3592 and original register is the same, do not bail out early, but
3593 still check all original insns for validity of replacing destination
3594 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3597 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3600 Port from no-undefined-overflow branch:
3601 2009-03-09 Richard Guenther <rguenther@suse.de>
3603 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3605 2010-01-14 Richard Guenther <rguenther@suse.de>
3608 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3610 2010-01-14 Ira Rosen <irar@il.ibm.com>
3612 PR tree-optimization/42709
3613 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3614 as scalar type in creation of constant vector operand.
3616 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3619 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3620 (check-parallel-%): Match `testsuite' directory component only
3623 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3625 PR translation/39521
3626 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3629 2010-01-13 Richard Guenther <rguenther@suse.de>
3631 PR tree-optimization/42730
3632 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3635 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3638 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3639 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3642 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3644 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3645 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3646 ___umulsi3_highpart.
3648 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3649 rather than schedule_insns if the pass is enabled.
3651 2010-01-13 Martin Jambor <mjambor@suse.cz>
3653 PR tree-optimization/42704
3654 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3657 2010-01-13 Martin Jambor <mjambor@suse.cz>
3659 PR tree-optimization/42703
3660 * tree-sra.c (analyze_access_subtree): Check that we can build a
3661 reference to the original data within the aggregate.
3663 2010-01-13 Richard Guenther <rguenther@suse.de>
3665 PR tree-optimization/42705
3666 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3668 2010-01-13 Richard Guenther <rguenther@suse.de>
3671 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3673 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3676 * var-tracking.c (values_to_unmark): New variable.
3677 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3678 values_to_unmark vector. Moved body to...
3679 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3680 instead queue it into values_to_unmark vector.
3681 (vt_find_locations): Free values_to_unmark vector.
3683 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3685 * config/s390/s390.c (override_options): Set
3686 default of max-pending-list-length to 256
3688 2010-01-13 Richard Guenther <rguenther@suse.de>
3691 * tree-pass.h (PROP_gimple_lcx): New.
3692 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3693 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3694 before the final cleanup_eh.
3695 (dump_properties): Dump PROP_gimple_lcx.
3696 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3697 (tree_lower_complex_O0): Remove.
3698 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3699 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3700 tree_lower_complex, schedule TODO_update_ssa.
3701 * lto-streamer-out.c (output_function): Stream the functions
3703 * lto-streamer-in.c (input_function): Likewise.
3704 (lto_read_body): Do not override them here.
3706 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3709 * c-typeck.c (build_c_cast): Fold value cast to union type before
3710 wrapping it in a CONSTRUCTOR.
3712 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3714 PR rtl-optimization/42699
3715 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3718 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3720 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3721 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3722 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3723 SUBTARGET_WARN_UNUSED_SPEC): ... here
3724 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3726 2010-01-12 Julian Brown <julian@codesourcery.com>
3728 * config/arm/neon-schedgen.ml (Utils): Don't try to
3729 open missing module.
3730 (find_with_result): New.
3732 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3735 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3736 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3738 PR tree-optimization/42645
3739 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3740 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3741 decl_map, set processing_debug_stmt to -1 and return name without
3744 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3746 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3747 binutils version, and reword target configuration description.
3749 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3751 * config/avr/avr.h (LINKER_NAME): Remove.
3753 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3756 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3757 that support VSX, warn for -mno-altivec if vsx is not disabled,
3760 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3761 Shujing Zhao <pearly.zhao@oracle.com>
3763 PR translation/42469
3764 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3765 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3766 character between option name and help text.
3767 * c.opt (imultilib): Likewise.
3769 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3771 * lto-streamer-out.c (output_unreferenced_globals): Output static
3774 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3776 PR rtl-optimization/42621
3777 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3778 optimizing for size.
3779 (duplicate_computed_gotos): Remove now-redundant check.
3781 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3784 * configure.ac: Save and restore LDFLAGS and LIBS
3785 * configure: Regenerate.
3787 2010-01-10 Richard Guenther <rguenther@suse.de>
3790 * builtins.c (fold_builtin_strlen): Add type argument and
3791 convert the resulting length to it.
3792 (fold_builtin_1): Adjust.
3794 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3796 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3797 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3799 (num_insns_constant_wide): Adjust for that change.
3801 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3804 * web.c (union_defs): Add used argument, to combine uses of
3806 (entry_register): Adjust type and tests of used argument.
3807 (web_main): Widen used for new use. Pass it to union_defs.
3808 * df.h (union_defs): Adjust prototype.
3810 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3813 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3814 uses in new incoming argument. Free body.
3815 (reset_debug_uses_in_loop): New.
3816 (analyze_insn_to_expand_var): Call the latter if the former found
3817 anything. Fix whitespace. Reject invalid dest overlaps before
3818 going through all insns in the loop.
3820 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3823 * haifa-sched.c (dying_use_p): Debug insns don't count.
3825 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3828 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3829 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3830 (verify_gimple_call): Reject LHS in noreturn calls.
3832 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3836 * tree-vect-loop-manip.c (adjust_info): New type.
3837 (adjust_vec): New pointer to vector.
3838 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3839 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3840 (slpeel_update_phis_for_duplicate_loop): Use them.
3841 (slpeel_update_phi_nodes_for_guard1): Likewise.
3842 (slpeel_update_phi_nodes_for_guard2): Likewise.
3843 (slpeel_tree_peel_loop_to_edge): Likewise.
3844 (vect_update_ivs_after_vectorizer): Likewise.
3846 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3848 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3849 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3851 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3853 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3854 bogus uninitialized warning.
3856 2010-01-09 Richard Guenther <rguenther@suse.de>
3859 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3860 the evolution is compatible with the initial condition.
3862 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3864 * gcc.c (process_command): Update copyright notice dates.
3865 * gcov.c (print_version): Likewise.
3866 * gcov-dump.c (print_version): Likewise.
3867 * mips-tfile.c (main): Likewise.
3868 * mips-tdump.c (main): Likewise.
3870 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3873 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3875 (rotlhi3_8): Delete.
3877 (rotlsi3_8): Delete.
3878 (rotlsi3_16): Delete.
3879 (rotlsi3_24): Delete.
3881 (*rotw<mode>3): New.
3882 (*rotb<mode>3): New.
3883 * config/avr/avr.c (avr_rotate_bytes): New function.
3884 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3886 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3889 * configure.ac: Modify -rdynamic check.
3890 * configure: Regenerate.
3892 2010-01-08 DJ Delorie <dj@redhat.com>
3894 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3895 register popping order.
3897 2010-01-08 Richard Guenther <rguenther@suse.de>
3900 * c.opt (fsigned-char): Also let LTO handle this option.
3901 (funsigned-char): Likewise.
3903 2010-01-07 Richard Guenther <rguenther@suse.de>
3905 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3906 (gimple_op): Likewise.
3907 (gimple_op_ptr): Likewise.
3908 (gimple_assign_set_lhs): Remove gcc_assert.
3909 (gimple_assign_set_rhs1): Likewise.
3910 (gimple_assign_set_rhs2): Likewise.
3911 (gimple_call_set_lhs): Likewise.
3912 (gimple_call_set_fn): Likewise.
3913 (gimple_call_set_fndecl): Likewise.
3914 (gimple_call_fndecl): Likewise.
3915 (gimple_call_return_type): Likewise.
3916 (gimple_call_set_chain): Likewise.
3917 (gimple_call_num_args): Likewise.
3918 (gimple_call_set_arg): Likewise.
3919 (gimple_cond_set_code): Likewise.
3920 (gimple_cond_set_lhs): Likewise.
3921 (gimple_cond_set_rhs): Likewise.
3922 (gimple_cond_set_true_label): Likewise.
3923 (gimple_cond_set_false_label): Likewise.
3924 (gimple_label_set_label): Likewise.
3925 (gimple_goto_set_dest): Likewise.
3926 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3927 (gimple_debug_bind_get_value): Likewise.
3928 (gimple_debug_bind_get_value_ptr): Likewise.
3929 (gimple_debug_bind_set_var): Likewise.
3930 (gimple_debug_bind_set_value): Likewise.
3931 (gimple_debug_bind_reset_value): Likewise.
3932 (gimple_debug_bind_has_value_p): Likewise.
3933 (gimple_return_retval_ptr): Remove gcc_assert.
3934 (gimple_return_retval): Likewise.
3935 (gimple_return_set_retval): Likewise.
3936 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3937 (safe_referenced_var_iterator): Remove.
3938 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3939 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3940 (fill_referenced_var_vec): Remove.
3941 (first_readonly_imm_use): Remove redundant gcc_assert.
3942 (phi_arg_index_from_use): Combine gcc_asserts.
3943 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3944 (first_imm_use_stmt): Remove redundant gcc_assert.
3945 * tree-cfg.c (verify_gimple_call): Verify function and chain
3946 operands. Verify arguments.
3947 (verify_types_in_gimple_stmt): Verify condition code and labels.
3949 2010-01-07 Richard Guenther <rguenther@suse.de>
3951 PR tree-optimization/42641
3952 * sese.c (rename_map_elt_info): Use the SSA name version, do
3955 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3957 PR tree-optimization/42625
3958 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3959 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3961 2010-01-07 Duncan Sands <baldrick@free.fr>
3963 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3965 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3968 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3969 note itself is not function_invariant_p.
3971 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3973 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3974 Do not add the DF_NOTE problem.
3975 * store-motion.c (execute_rtl_store_motion): Likewise.
3977 2010-01-07 Martin Jambor <mjambor@suse.cz>
3979 PR tree-optimization/42157
3980 * tree-sra.c (compare_access_positions): Stabilize sort if both
3981 accesses have integer types, return zero immediately if they are the
3984 2010-01-06 Richard Henderson <rth@redhat.com>
3987 * haifa-sched.c (add_to_note_list): Merge into ...
3988 (concat_note_lists): ... here, and ...
3989 (unlink_other_notes, rm_other_notes): Merge into...
3990 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3991 NOTE_INSN_EPILOGUE_BEG.
3993 2010-01-06 Richard Guenther <rguenther@suse.de>
3995 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3996 not inline regular functions into always-inline functions.
3998 2010-01-06 Nick Clifton <nickc@redhat.com>
4000 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
4001 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
4003 (OVERRIDE_OPTIONS): Delete.
4004 (OPTIMIZATION_OPTIONS): Define.
4005 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
4006 * config/rx/rx.c (rx_handle_option): Issue an error message if
4007 -mcpu=rx200 and -fpu are used together.
4008 (rx_set_optimization_options): New function. Issue an error
4009 message if an optimization attribute attempts to reset the FPU/
4010 math optimization pairing.
4011 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
4012 * config/rx/rx.opt: Set the default to 32-bit doubles.
4013 * config/rx/t-rx: Add multilibs for -nofpu option.
4014 * doc/invoke.texi: Update documentation of RX options.
4016 2010-01-06 Richard Guenther <rguenther@suse.de>
4018 * tree-ssa-pre.c (name_to_id): New global.
4019 (alloc_expression_id): Simplify SSA name handling.
4020 (lookup_expression_id): Likewise.
4021 (init_pre): Zero name_to_id.
4022 (fini_pre): Free it.
4024 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
4026 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
4028 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
4031 * config/i386/sse.md (smaxv2di3): New.
4032 (umaxv2di3): Likewise.
4033 (sminv2di3): Likewise.
4034 (uminv2di3): Likewise.
4036 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
4039 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
4040 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
4041 (legitimize_tls_address): Likewise.
4042 (sparc_tls_referenced_p): Likewise.
4043 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
4044 and adjust calls to legitimize_pic_address.
4045 (legitimate_constant_p) Use sparc_tls_referenced_p.
4046 (legitimate_pic_operand_p): Likewise.
4047 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
4048 (sparc_tls_symbol_ref_1): Delete.
4049 (sparc_tls_referenced_p): Make static, recognize specific patterns.
4050 (legitimize_tls_address): Make static, handle CONST patterns.
4051 (legitimize_pic_address): Make static, remove unused parameter and
4052 adjust recursive calls.
4053 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
4054 and adjust call to legitimize_pic_address.
4055 (sparc_output_mi_thunk): Likewise.
4057 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
4058 H.J. Lu <hongjiu.lu@intel.com>
4061 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
4062 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
4063 operands to make them signed.
4066 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4069 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4070 GTU to GT for V4SI and V2DI.
4072 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4073 (umin<mode>3): Removed.
4075 (uminv4si3): Likewise.
4077 2010-01-05 Martin Jambor <mjambor@suse.cz>
4079 PR tree-optimization/42462
4080 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
4081 current_function_decl to helper functions and macros.
4083 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4086 * flags.h: Don't include real.h.
4087 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
4088 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
4089 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
4090 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
4091 * dominance.c: Update copyright.
4092 * gimple.c (walk_gimple_op): Remove inline.
4093 * tree-ssa-reassoc.c: Include real.h.
4094 * Makefile.in (FLAGS_H): Remove $(REAL_H).
4095 (tree-ssa-reassoc.o): Depend on $(REAL_H).
4097 2010-01-05 Nick Clifton <nickc@redhat.com>
4099 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
4100 register to push into the stack frame when the accumulator has to
4101 be saved during interrupts.
4103 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
4105 * doc/invoke.texi: Remove the documentation about option
4107 * common.opt (Wunreachable-code): Preserved for backward
4109 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
4110 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
4111 the backward compatibility flag section.
4113 2010-01-05 Richard Guenther <rguenther@suse.de>
4115 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
4117 2010-01-05 Jakub Jelinek <jakub@redhat.com>
4120 * cfgexpand.c (expand_one_var): Diagnose too large variables.
4122 PR tree-optimization/42508
4123 * tree-sra.c (convert_callers): Check for recursive call
4124 by comparing cgraph nodes instead of decls.
4125 (modify_function): Call ipa_modify_formal_parameters also
4126 on all same_body aliases.
4128 * cgraphunit.c (cgraph_materialize_all_clones): Compare
4129 cgraph nodes when checking for same_body aliases.
4131 2010-01-05 Richard Guenther <rguenther@suse.de>
4133 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
4134 allocation and lookup.
4135 (get_or_alloc_expr_for_constant): Likewise.
4136 (phi_translate): Sink allocation.
4138 2010-01-04 Richard Guenther <rguenther@suse.de>
4140 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
4141 a new entry only if needed.
4142 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
4143 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
4145 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
4147 (phi_translate): Handle CONSTANTs early.
4149 2010-01-04 Martin Jambor <mjambor@suse.cz>
4151 PR tree-optimization/42398
4152 * tree-sra.c (struct access): Removed flag grp_different_types.
4153 (dump_access): Do not dump the removed flag.
4154 (sort_and_splice_var_accesses): Do not set the removed flag.
4155 (sra_modify_expr): Check for type compatibility directly.
4157 2010-01-04 Martin Jambor <mjambor@suse.cz>
4159 PR tree-optimization/42366
4160 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
4161 edges with variable number of parameters.
4162 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
4163 flag instead of asserting it.
4164 (ipa_read_node_info): Read uses_analysis_done flag.
4166 2010-01-04 Richard Guenther <rguenther@suse.de>
4168 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
4169 iterative_hash_* as intended.
4170 (vn_reference_compute_hash): Likewise. Simplify hashing
4172 (vn_reference_lookup_2): Likewise.
4173 (vn_nary_op_compute_hash): Likewise.
4174 (vn_phi_compute_hash): Likewise.
4175 (expressions_equal_p): Remove strange code.
4176 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
4177 (pre_expr_hash): Likewise. Simplify hashing SSA names.
4178 (bitmap_insert_into_set_1): Take value-id as parameter.
4179 (add_to_value): Pass it.
4180 (bitmap_insert_into_set): Likewise.
4181 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
4183 2010-01-04 Jakub Jelinek <jakub@redhat.com>
4186 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
4187 (do_self_spec): For switches with SWITCH_IGNORE set set also
4188 SWITCH_IGNORE_PERMANENTLY.
4189 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
4192 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
4194 * lto-streamer-out.c (output_unreferenced_globals): Output the full
4195 tree of an unreferenced global var.
4197 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4200 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4201 GTU to GT for V4SI and V2DI.
4203 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4204 (umin<mode>3): Removed.
4206 (uminv4si3): Likewise.
4208 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4211 * collect2.c (main): Turn on trace in collect2 if -v is passed
4214 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4216 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4217 description of expression operand.
4219 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4221 * configure.ac: Add install-html to target_list for Make-hooks.
4222 * configure: Regenerate.
4223 * fortran/Make-lang.in (F95_HTMLFILES): New.
4224 (fortran.html): Use it.
4225 (fortran.install-html): New.
4226 * Makefile.in (install-html): Add lang.install-html.
4227 * java/Make-lang.in (JAVA_HTMLFILES): New.
4228 (java.html): Use it.
4229 (java.install-html): New.
4230 * objc/Make-lang.in (objc.install-html): New.
4231 * objcp/Make-lang.in (obj-c++.install-html): New.
4232 * cp/Make-lang.in (c++.install-html): New.
4233 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4234 * lto/Make-lang.in (lto.install-html): New.
4236 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4239 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4241 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4243 PR rtl-optimization/41862
4244 * store-motion.c (store_killed_in_insn, compute_store_table,
4245 remove_reachable_equiv_notes, replace_store_insn,
4246 build_store_vectors): Ignore all DEBUG_INSNs.
4248 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4251 * common.opt: Add dumpdir.
4253 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4255 (option_map): Add --dumpdir.
4257 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4259 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4261 * opts.c (decode_options): Try dump_dir_name first if
4262 dump_base_name isn't an absolute path.
4263 (common_handle_option): Handle OPT_dumpdir.
4265 * toplev.c (dump_dir_name): New.
4266 (print_switch_values): Also ignore -dumpdir.
4268 * toplev.h (dump_dir_name): New.
4270 2010-01-03 Richard Guenther <rguenther@suse.de>
4272 PR tree-optimization/42589
4273 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4274 double-word expansion of bswap32.
4276 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4278 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4279 with BLOCK_FOR_INSN.
4280 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4281 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4282 noce_process_if_block): Likewise.
4283 * gcse.c (compute_local_properties, insert_expr_in_table,
4284 insert_set_in_table, canon_list_insert, find_avail_set,
4285 pre_insert_copy_insn): Likewise.
4287 * basic-block.h (BLOCK_NUM): Move from here...
4288 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4290 2010-01-03 Richard Guenther <rguenther@suse.de>
4292 PR tree-optimization/42438
4293 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4294 contains_may_not_return_call flag.
4295 (BB_MAY_NOTRETURN): New.
4296 (valid_in_sets): Trapping nary operations are not valid
4297 in blocks that may not return.
4298 (insert_into_preds_of_block): Remove check for trapping expressions.
4299 (compute_avail): Compute also BB_MAY_NOTRETURN.
4301 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4303 * doc/invoke.texi: Add 2010 to copyright years.
4305 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4307 * config/sparc/sparc.c: Fix formatting nits.
4309 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4310 Alexander Monakov <amonakov@ispras.ru>
4312 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4314 2010-01-02 Richard Guenther <rguenther@suse.de>
4317 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4318 (simplify_switch_using_ranges): Mark to be removed edges
4321 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4323 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4325 * collect2.c (scan_libraries): Add missing argument in call to
4328 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4331 * config/alpha/predicates.md (aligned_memory_operand): Return false
4333 (unaligned_memory_operand): Return true for CQImode.
4334 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4335 doesn not cross aligned SImode word boundary.
4337 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4339 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4341 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4342 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4344 2010-01-02 Richard Guenther <rguenther@suse.de>
4347 * toplev.c (compile_file): Emit LTO marker properly. Change
4349 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4351 2010-01-01 Richard Guenther <rguenther@suse.de>
4354 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4356 2010-01-01 Richard Guenther <rguenther@suse.de>
4359 * c-decl.c (grokdeclarator): For zero-size arrays force
4360 structural equality checks as layout_type does.
4362 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4364 * builtins.c: Update copyright to 2010.
4366 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4369 * lto-streamer-out.c (produce_asm): Revert the last change.
4370 (copy_function): Likewise.
4372 * lto-streamer.c (lto_get_section_name): Skip any leading
4375 2010-01-01 Richard Guenther <rguenther@suse.de>
4378 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4382 Copyright (C) 2010 Free Software Foundation, Inc.
4384 Copying and distribution of this file, with or without modification,
4385 are permitted in any medium without royalty provided the copyright
4386 notice and this notice are preserved.