1 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4 * doc/invoke.texi (C++ Dialect Options)
5 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6 For each warning option -Wfoo that allows -Wno-foo, ensure both
7 -Wfoo and -Wno-foo are listed in the option index. Fix index
8 entry of -Wswitch-default, index -Wnormalized= including the
9 `=', and -Wlarger-than-@var{len} including @var{len}.
11 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
13 * config/i386/i386.md (floatunssisf2): Use
14 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
15 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
16 Macroize expander using MODEF mode iterator.
18 2008-02-05 Diego Novillo <dnovillo@google.com>
20 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
23 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
25 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
30 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
33 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
34 to indicate if a message should be generated.
35 (init_cumulative_args): Updated.
36 (function_value_32): Likewise.
38 2008-02-05 Joseph Myers <joseph@codesourcery.com>
40 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
42 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
45 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
46 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
48 2008-02-04 Diego Novillo <dnovillo@google.com>
50 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
53 * tree-vrp.c (vrp_evaluate_conditional): With
54 -Wtype-limits, emit a warning when comparing against a
55 constant outside the natural range of OP0's type.
57 2008-02-04 Richard Guenther <rguenther@suse.de>
60 * expr.c (count_type_elements): Give for unions instead of
63 2008-02-04 Richard Guenther <rguenther@suse.de>
66 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
67 to TYPE_DOMAINs base type instead of using bitsizetype here.
69 2008-02-03 Jason Merrill <jason@redhat.com>
71 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
73 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
76 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
77 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
78 (RS/6000 and PowerPC Options): Fix typos and markup.
79 * doc/passes.texi (Tree-SSA passes): Likewise.
81 2008-02-02 Michael Matz <matz@suse.de>
84 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
85 from record_last_reg_set_info.
86 (record_last_reg_set_info): Take an RTX argument, iterate over all
88 (record_last_set_info, record_opr_changes): Change calls to
89 new signature or to record_last_reg_set_info_regno.
91 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
93 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
95 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
97 PR rtl-optimization/34773
98 * reg-notes.def (EQUAL): Mention significance of combination of
99 REG_EQUAL and REG_RETVAL.
100 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
101 insn that has a REG_RETVAL.
103 2008-02-01 Roger Sayle <roger@eyesopen.com>
106 * configure.ac (--enable-fixed-point): Disable unless explicitly
108 * configure: Regenerate.
110 2008-02-01 Richard Guenther <rguenther@suse.de>
113 * invoke.texi (-finline-limit): Remove no longer true parts
114 of the documentation. Note that there is no default value.
116 2008-02-01 Andrew Pinski <pinskia@gmail.com>
117 Mark Mitchell <mark@codesourcery.com>
118 Ben Elliston <bje@au.ibm.com>
121 * doc/extend.texi (Other Builtins): Document.
123 2008-01-31 Tom Browder <tom.browder@gmail.com>
125 * doc/c-tree.texi (Types): Fix grammar.
126 (Expression trees): Ditto.
127 * doc/passes.texi (Tree-SSA passes): Ditto.
129 * doc/configterms.texi (Configure Terms): Fix typo.
130 * doc/cpp.texi (Common Predefined Macros): Ditto.
131 * doc/md.texi (Machine Constraints): Ditto.
133 * doc/makefile.texi (Makefile): Add comma.
135 2008-01-31 Tom Browder <tom.browder@gmail.com>
136 Gerald Pfeifer <gerald@pfeifer.com>
138 * doc/sourcebuild.texi (Front End): Remove references to CVS
140 (Texinfo Manuals): Replace reference to CVS by one to SVN.
141 (Back End): Remove reference to CVS.
143 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
146 * config/mips/mips.c (gen_load_const_gp): New function, taking a
148 (mips16_gp_pseudo_reg): ...here.
149 * config/mips/mips.md (load_const_gp): Replace with...
150 (load_const_gp_<mode>): ...this :P-based insn.
152 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
154 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
155 options. Minor fixes.
156 (-std): Move reference to standards closer to where language
157 standards are first mentioned.
159 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
161 PR rtl-optimization/34995
162 * reload.c (alternative_allows_const_pool_ref): Take an rtx
163 parameter and return a bool. If the rtx parameter is nonnull,
164 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
165 (find_reloads): Update call accordingly. Pass the new operand
166 if it needed no address reloads, otherwise pass null.
168 2008-01-30 Richard Henderson <rth@redhat.com>
171 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
172 for unbounded arrays.
174 2008-01-30 Silvius Rus <rus@google.com>
176 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
178 2008-01-30 Jan Hubicka <jh@suse.cz>
181 * i386.c (init_cumulative_args): Use real function declaration when
184 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
186 PR rtl-optimization/34998
187 * global.c (build_insn_chain): Treat non-subreg_lowpart
188 SUBREGs of pseudos as clobbering all the words covered by the
189 SUBREG, not just all the bytes.
190 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
191 original df_ref rather than an extract parameter.
192 (global_conflicts): Update call accordingly.
194 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
196 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
197 the overflow check to make it easier to read.
198 (__fixtfdi): Change the type of the ll member in union
199 long_double to UDItype_x.
201 2008-01-30 Jakub Jelinek <jakub@redhat.com>
204 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
205 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
206 * tree-inline.c (fold_marked_statements): Call
207 cgraph_update_edges_for_call_stmt if folding a call statement.
208 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
209 debug_generic_stmt calls, reset it back afterwards.
212 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
214 * c-typeck.c (build_external_ref): Don't pedwarn about
215 static vars in current function's scope.
217 2008-01-29 Joseph Myers <joseph@codesourcery.com>
219 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
221 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
224 * ipa-struct-reorg.c: Fix spelling.
227 2008-01-29 Richard Guenther <rguenther@suse.de>
230 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
232 * tree-inline.c (remap_type): Increment remapping_type_depth
233 around remapping types.
234 (copy_body_r): Only add referenced variables if they are referenced
235 from code, not types.
237 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
248 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
249 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
251 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
254 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
255 pointer for tiny stack.
257 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
259 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
261 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
263 * config/vx-common.h: Fix typo in comment.
265 2008-01-28 Ian Lance Taylor <iant@google.com>
269 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
270 coalesce pointers if they have different DECL_NO_TBAA_P values.
271 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
272 between variables with different DECL_NO_TBAA_P values.
274 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
277 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
278 are not legitimate small data references on SPE targets.
280 2008-01-28 David Daney <ddaney@avtrex.com>
282 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
284 2008-01-28 David Daney <ddaney@avtrex.com>
286 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
288 2008-01-27 Joseph Myers <joseph@codesourcery.com>
290 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
291 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
292 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
293 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
294 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
295 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
296 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
297 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
299 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
301 * basic-block.h (condjump_equiv_p): Fix comment.
303 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
305 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
306 print_generic_stmt_indented): Fix comment.
308 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
310 * configure.ac (__stack_chk_fail): Add detecion for availability
311 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
312 * configure: Regenerate.
314 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
317 * final.c (output_addr_const): Handle TRUNCATE.
319 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
322 * tree-ssa-loop-ivopts.c (comp_cost): New type.
323 (zero_cost, infinite_cost): New constants.
324 (struct cost_pair): Change type of cost to comp_cost.
325 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
326 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
328 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
329 split_address_cost, ptr_difference_cost, difference_cost,
330 get_computation_cost_at, get_computation_cost,
331 determine_use_iv_cost_generic, determine_use_iv_cost_address,
332 determine_use_iv_cost_condition, determine_use_iv_costs,
333 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
334 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
335 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
336 Change type of cost to comp_cost.
337 (determine_iv_cost): Increase cost of non-original ivs, instead
338 of decreasing the cost of original ones.
339 (get_address_cost): Indicate the complexity of the addressing mode
341 (try_add_cand_for): Prefer using ivs not specific to some object.
342 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
344 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
345 Janis Johnson <janis187@us.ibm.com>
348 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
349 (TARGET_INSTANTIATE_DECLS): Likewise.
350 * target.h (expand_to_rtl_hook): New target hook.
351 (instantiate_decls): Likewise.
352 * function.c (instantiate_decl): Make non-static. Rename to...
353 (instantiate_decl_rtl): ... this.
354 (instantiate_expr): Use instantiate_decl_rtl.
355 (instantiate_decls_1): Likewise.
356 (instantiate_decls): Likewise.
357 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
358 * function.h (instantiate_decl_rtl): Add prototype.
359 * cfgexpand.c (target.h): New include.
360 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
361 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
362 (TARGET_INSTANTIATE_DECLS): Likewise.
363 (TARGET_INITIALIZER): New target hooks added.
364 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
366 * config/rs6000/rs6000.c (tree-flow.h): New include.
367 (machine_function): Add sdmode_stack_slot field.
368 (rs6000_alloc_sdmode_stack_slot): New function.
369 (rs6000_instantiate_decls): Likewise.
370 (rs6000_secondary_memory_needed_rtx): Likewise.
371 (rs6000_check_sdmode): Likewise.
372 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
373 (TARGET_INSTANTIATE_DECLS): Likewise.
374 (rs6000_hard_regno_mode_ok): Allow SDmode.
375 (num_insns_constant): Likewise. Handle _Decimal32 constants.
376 (rs6000_emit_move): Handle SDmode.
377 (function_arg_advance): Likewise.
378 (function_arg): Likewise.
379 (rs6000_gimplify_va_arg): Likewise. Add special handling of
380 SDmode var args for 32-bit compiles.
381 (rs6000_secondary_reload_class): Handle SDmode.
382 (rs6000_output_function_epilogue): Likewise.
383 (rs6000_function_value): Simplify if statement.
384 (rs6000_libcall_value): Likewise.
385 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
386 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
387 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
388 (movsd_hardfloat): New define_insn.
389 (movsd_softfloat): Likewise.
390 (movsd_store): Likewise.
391 (movsd_load): Likewise.
392 (extendsddd2): Likewise.
393 (extendsdtd2): Likewise.
394 (truncddsd2): Likewise.
395 (movdd_hardfloat64): Fixup comment.
396 (UNSPEC_MOVSD_LOAD): New constant.
397 (UNSPEC_MOVSD_STORE): Likewise.
399 2008-01-26 Jakub Jelinek <jakub@redhat.com>
402 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
404 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
405 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
406 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
409 2008-01-26 David Edelsohn <edelsohn@gnu.org>
412 * config.gcc: Separate AIX 5.3 from AIX 6.1.
413 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
415 * config/rs6000/aix61.h: New file.
417 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
419 PR rtl-optimization/34959
420 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
421 popcount and parity rtxes the same mode as their operand.
422 Truncate or extend the result to the return value's mode
425 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
428 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
429 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
430 to GOT_VERSION_REGNUM.
431 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
432 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
433 * config/mips/mips.c (mips_emit_call_insn): New function.
434 (mips_call_tls_get_addr): Call mips_expand_call directly.
435 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
437 (mips16_build_call_stub): Likewise. Return the call insn or null.
438 (mips_expand_call): Update the call to mips16_build_call_stub
439 accordingly and a remove redundant condition. Assert that MIPS16
440 stubs do not use lazy binding. Use mips_emit_call_insn and return
442 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
444 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
445 (mips_avoid_hazard): Remove hazard_set handling.
446 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
447 (UNSPEC_RESTORE_GP): ...this.
448 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
449 (FAKE_CALL_REGNO): Rename to...
450 (GOT_VERSION_REGNUM): ...this.
451 (type): Add "ghost" value. Add an associated insn reservation.
452 (hazard_set): Remove.
453 (exception_receiver): Rename to...
454 (restore_gp): ...this and update the unspec identifier accordingly.
455 (exception_receiver, nonlocal_got_receiver): New expanders.
456 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
457 FAKE_CALL_REGNO. Remove hazard_set attribute.
458 (set_got_version, update_got_version): New patterns.
460 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
463 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
465 2008-01-25 Joseph Myers <joseph@codesourcery.com>
468 * doc/install.texi2html: Generate gcc-vers.texi.
470 2008-01-25 DJ Delorie <dj@redhat.com>
472 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
474 2008-01-25 Joseph Myers <joseph@codesourcery.com>
476 * config/c4x: Remove directory.
477 * config.gcc (crx-*, mt-*): Mark obsolete.
478 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
479 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
480 sh-*-rtemscoff*): Remove cases.
481 * defaults.h (C4X_FLOAT_FORMAT): Remove.
482 * real.c (encode_c4x_single, decode_c4x_single,
483 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
484 c4x_extended_format): Remove.
485 * real.h (c4x_single_format, c4x_extended_format): Remove.
486 * doc/extend.texi (interrupt, naked): Remove mention of attributes
488 (Pragmas): Remove comment about c4x pragmas.
489 * doc/install.texi (c4x): Remove target-specific instructions.
490 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
491 * doc/md.texi (Machine Constraints): Remove C4x documentation.
492 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
493 refer to C4x source files as examples.
494 (C4X_FLOAT_FORMAT): Remove documentation.
496 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
498 * config/bfin/bfin.c (override_options): Reorder tests so that
499 flag_pic gets enabled for -msep-data.
501 2008-01-25 Richard Guenther <rguenther@suse.de>
504 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
505 to its bitfield precision if required.
507 2008-01-25 Jakub Jelinek <jakub@redhat.com>
510 * tree-nested.c (walk_omp_for): New function.
511 (convert_nonlocal_reference, convert_local_reference): Call
512 walk_omp_for on OMP_FOR.
513 (convert_call_expr): Call walk_body on OMP_FOR's
514 OMP_FOR_PRE_INIT_BODY.
516 2008-01-25 Richard Guenther <rguenther@suse.de>
518 PR tree-optimization/34966
519 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
520 default defs and PHI_NODEs we have to insert after the
523 2008-01-24 Nick Clifton <nickc@redhat.com>
525 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
526 Provide a default definition.
527 (LIBGCC2_UNITS_PER_WORD): Likewise.
529 * config/stormy16/stormy16.c: Include df.h for the prototype
530 for df_regs_ever_live_p.
531 (xstormy16_expand_builtin_va_start): Convert the stack offset
532 into a component_ref and then use POINTER_PLUS_EXPR to add it
533 to the incoming_virtual_args_rtx.
534 (xstormy16_gimplify_va_arg_expr): Rename to
535 xstormy16_gimplify_va_arg_expr.
536 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
537 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
538 xstormy16_gimplify_va_arg_expr.
539 Fix up some formatting issues.
541 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
542 Move to predicates.md.
543 (xs_hi_general_operand): Likewise.
544 (xs_hi_nonmemory_operand): Likewise.
545 * config/stormy16/predicates.md:
546 (xstormy16_carry_plus_operand): New predicate.
547 (xs_hi_general_operand): New predicate.
548 (xs_hi_nonmemory_operand): New predicate.
549 * config/stormy16/stormy16-protos.h:
550 (xstormy16_carry_plus_operand): Delete prototype.
551 (xs_hi_general_operand): Likewise.
552 (xs_hi_nonmemory_operand): Likewise.
554 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
555 modifiers as they are no longer needed and they can trigger
556 reload spill failures.
558 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
559 with a match_operand in order to help reload.
561 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
562 constraint with 'e' for the 8th alternative as this version of
563 the mov.w instruction only accepts the lower 8 registers.
565 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
568 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
569 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
572 2008-01-25 Jakub Jelinek <jakub@redhat.com>
575 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
577 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
579 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
581 (remove_structure): Update allocations list before removing structure.
583 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
585 * ipa-struct-reorg.c (is_safe_cond_expr,
586 create_new_stmts_for_cond_expr): Use integer_zerop function,
587 that recognize not only zero-pointer, but zero-integer too.
589 2008-01-25 Ben Elliston <bje@au.ibm.com>
592 * fixproto: Escape "." in sed expression that strips leading "./".
594 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
597 * gcc.c (SWITCH_OK): Removed.
598 (SWITCH_LIVE): Changed to bit.
599 (SWITCH_FALSE): Likewise.
600 (SWITCH_IGNORE): Likewise.
601 (switchstr): Change live_cond to unsigned int.
602 (process_command): Replace SWITCH_OK with 0.
603 (do_self_spec): Likewise.
604 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
605 (give_switch): Likewise.
606 (used_arg): Likewise.
607 (do_spec_1): Set the SWITCH_IGNORE bit.
608 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
609 bits. Set the SWITCH_LIVE bit.
611 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
613 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
615 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
617 PR tree-optimization/34472
618 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
619 parameter to a "bool *" and set *DATA to false if there is
620 an unsafe access. Do not delete the structure here.
621 (check_cond_exprs): Delete it here instead.
622 (check_cond_exprs, exclude_cold_structs): Do not increase
623 I when removing a structure.
625 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
628 * config/i386/i386.c (ix86_expand_vector_init): Consider only
629 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
631 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
634 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
635 a fixed vector for stack.
637 2008-01-24 Ben Elliston <bje@au.ibm.com>
640 * doc/gcc.texi (Software development): Add a direntry for g++.
642 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
644 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
645 stale and straggling -fforce-addr comments above.
647 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
649 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
650 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
652 2008-01-23 Michael Matz <matz@suse.de>
655 * dwarf2out.c (force_type_die): Use modified_type_die instead of
658 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
660 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
663 2008-01-23 Anatoly Sokolov <aesok@post.ru>
665 * config/avr/avr.c (avr_current_arch): New variable.
666 (avr_arch_types): Add 'avr31' and 'avr51' entries.
667 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
668 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
669 (avr_override_options): Init 'avr_current_arch'.
670 (base_arch_s): Move from here...
671 * config/avr/avr.h (base_arch_s): ... here. Add new members
672 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
673 'mega' to 'have_jmp_call'.
674 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
675 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
677 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
679 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
680 MULTILIB_MATCHES): (Ditto.).
682 2008-01-23 Richard Guenther <rguenther@suse.de>
685 * cgraphunit.c (cgraph_reset_node): Always mark the node
686 not reachable if it is not queued already.
688 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
690 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
691 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
692 (cputype_selected): New static variable.
693 (bfin_handle_option): Set it if -mcpu is used.
694 (override_option): Select default set of workarounds if no cpu type
695 selected on the command line.
696 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
698 From Michael Frysinger <michael.frysinger@analog.com>
699 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
700 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
702 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
703 for bf547, bf523, bf524, and bf526.
704 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
706 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
707 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
708 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
709 __ADSPBF547__ and __ADSPBF54x__ for bf547.
710 * doc/invoke.texi (Blackfin Options): Document that
711 -mcpu now accept bf547, bf523, bf524, and bf526.
713 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
715 PR rtl-optimization/34628
716 * combine.c (try_combine): Stop and undo after the first combination
717 if an autoincrement side-effect on the first insn has effectively
720 2008-01-22 David Edelsohn <edelsohn@gnu.org>
723 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
724 Offset addresses are not valid for Altivec or paired float modes.
726 2008-01-22 Jakub Jelinek <jakub@redhat.com>
729 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
730 if DECL_INITIAL (decl) is error_mark_node.
733 * c-common.c (handle_vector_size_attribute): Only allow
734 integral, scalar float and fixed point types. Handle OFFSET_TYPE
735 the same way as pointer, array etc. types.
736 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
739 * tree.c (build_type_attribute_qual_variant): Call
740 build_qualified_type if attributes are equal, but quals are not.
742 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
745 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
746 * flags.h (warn_strict_aliasing): Remove.
747 (warn_strict_overflow): Remove.
748 * opts.c (warn_strict_aliasing): Remove.
749 (warn_strict_overflow): Remove.
750 * c-opts.c (c_common_handle_option): -Wall only sets
751 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
752 (c_common_post_options): Give default values to -Wstrict-aliasing
753 and -Wstrict-overflow if they are uninitialized.
754 * common.opt (Wstrict-aliasing): Specify Var and Init.
755 (Wstrict-overflow): Likewise.
757 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
759 PR rtl-optimization/26854
760 PR rtl-optimization/34400
761 PR rtl-optimization/34884
762 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
764 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
765 (df_rd_bb_info.expanded_lr_out): Deleted
766 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
767 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
768 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
769 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
770 Removed code to allocate, initialize or free expanded_lr_out.
771 (df_rd_bb_local_compute_process_def): Restructured to make more
773 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
774 sets if the sets are being trimmed.
776 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
779 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
781 * configure: Regenerated.
783 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
786 * tree-pass.h (pass_build_alias): New pass.
787 * tree-ssa-alias.c (gate_build_alias): New.
788 (pass_build_alias): New.
789 * passes.c (init_optimization_passes): Add pass_build_alias after
790 pass_create_structure_vars.
792 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
794 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
795 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
796 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
797 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
798 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
799 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
800 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
801 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
802 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
803 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
804 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
805 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
806 * config/s390/s390.md (FP_ALL): New mode iterator.
807 (_d): New mode attribute.
808 ("*signbit<mode>2>"): Changed mode of first operand.
809 ("isinf<mode>2"): Changed mode of first operand.
810 ("*TDC_insn"): Adaptation for DFP modes.
812 2008-01-22 Ben Elliston <bje@au.ibm.com>
814 * tree.c (check_qualified_type): Improve function description.
816 2008-01-21 Jason Merrill <jason@redhat.com>
819 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
820 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
823 2008-01-21 DJ Delorie <dj@redhat.com>
825 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
828 2008-01-21 Richard Guenther <rguenther@suse.de>
831 * tree-cfg.c (verify_expr): Allow all invariant expressions
832 instead of just constant class ones as reference argument.
833 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
834 like any other constant.
835 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
837 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
839 * regmove.c (fixup_match_1): Update call crossed frequencies.
841 2008-01-21 Richard Guenther <rguenther@suse.de>
844 * tree-inline.c (setup_one_parameter): Deal with mismatched
845 types using a VIEW_CONVERT_EXPR.
847 2008-01-21 Alon Dayan <alond@il.ibm.com>
848 Olga Golovanevsky <olga@il.ibm.com>
850 PR tree-optimization/34701
851 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
852 when the structure size is not a power of 2.
854 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
856 * doc/install.texi: Add doc for --enable-checking=df.
858 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
860 PR rtl-optimization/34808
861 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
863 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
865 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
868 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
870 PR rtl-optimization/26854
871 PR rtl-optimization/34400
872 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
874 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
875 (df_rd_bb_info.expanded_lr_out): New.
876 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
877 * loop_iv.c (iv_analysis_loop_init): Ditto.
878 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
879 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
880 Added code to allocate, initialize or free expanded_lr_out.
881 (df_rd_bb_local_compute_process_def): Restructured to make
883 (df_rd_confluence_n): Add code to do nothing with fake edges and
884 code to no apply invalidate_by_call sets if the sets are being trimmed.
885 (df_lr_local_finalize): Renamed to df_lr_finalize.
886 (df_live_local_finalize): Renamed to df_live_finalize.
888 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
891 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
892 deciding whether to use reciprocal instructions.
894 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
896 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
897 dwarf2out_note_section_used if cold_text_section is NULL.
899 2008-01-19 Jakub Jelinek <jakub@redhat.com>
901 PR gcov-profile/34610
902 * tree-cfg.c (make_edges): Mark both outgoing edges from
903 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
904 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
905 from OMP_FOR and OMP_CONTINUE outgoing edges.
907 * tree-profile.c (tree_profiling): Return early if
908 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
910 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
911 from cfun to child_cfun.
912 * function.h (struct function): Add after_tree_profile bit.
914 2008-01-19 Anatoly Sokolov <aesok@post.ru>
916 * config/avr/avr.S (_exit): Disable interrupt.
918 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
919 Steven Bosscher <stevenb.gcc@gmail.com>
921 PR rtl-optimization/26854
922 PR rtl-optimization/34400
923 * df-problems.c (df_live_scratch): New scratch bitmap.
924 (df_live_alloc): Allocate df_live_scratch when doing df_live.
925 (df_live_reset): Clear the proper bitmaps.
926 (df_live_bb_local_compute): Only process the artificial defs once
927 since the order is not important.
928 (df_live_init): Init the df_live sets only with the variables
930 (df_live_transfer_function): Use the df_lr sets to prune the
931 df_live sets as they are being computed.
932 (df_live_free): Free df_live_scratch.
934 2008-01-18 Ian Lance Taylor <iant@google.com>
936 * common.opt: Add fmerge-debug-strings.
937 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
938 flag_merge_debug_strings rather than flag_merge_constants.
939 * doc/invoke.texi (Option Summary): Mention
940 -fmerge-debug-strings.
941 (Debugging Options): Document -fmerge-debug-strings.
943 2008-01-18 Ian Lance Taylor <iant@google.com>
946 * tree.h (DECL_IS_OPERATOR_NEW): Define.
947 (struct tree_function_decl): Add new field operator_new_flag.
948 * tree-inline.c (expand_call_inline): When inlining a call to
949 operator new, force the return value to go into a variable, and
950 set DECL_NO_TBAA_P on that variable.
951 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
953 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
956 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
957 DWARF2_DEBUGGING_INFO.
958 (dwarf2out_note_section_used): Ditto. Add prototype.
959 (have_multiple_function_sections, text_section_used,
960 cold_text_section_used, *cold_text_sections): Move declarations
963 2008-01-17 Bob Wilson <bob.wilson@acm.org>
965 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
966 field and add signal_ra.
967 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
968 assignments to frame state pc. Move end of stack check after
969 MD_FALLBACK_FRAME_STATE_FOR.
970 (uw_update_context_1): Use frame state signal_regs if set, instead
971 of checking signal_frame flag.
972 (uw_update_context): Use frame state signal_ra if set.
973 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
974 * config/xtensa/linux-unwind.h: New file.
976 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
978 * modulo-sched.c (get_sched_window): Fix comment typo.
980 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
982 PR tree-optimization/34648
983 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
985 2008-01-17 Anatoly Sokolov <aesok@post.ru>
987 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
988 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
990 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
992 PR rtl-optimization/34400
993 * df-core.c (df_worklist_dataflow_overeager,
994 df_worklist_dataflow_doublequeue): New functions.
995 (df_worklist_dataflow): Two different worklist solvers.
996 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
999 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1002 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1003 and ftree-parallelize-loops.
1005 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1007 PR rtl-optimization/34826
1008 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1010 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1012 * global.c (find_reg): Mark the eh regs as used if necessary.
1013 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1014 * ra.h (struct allocno): no_eh_reg field added. Changed
1015 no_stack_reg type to bitfield.
1017 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1019 * tree.c (substitute_in_expr): Add missing 'break'.
1021 2008-01-17 Richard Guenther <rguenther@suse.de>
1023 PR tree-optimization/34825
1024 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1025 x / x as division to handle.
1027 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1029 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1030 "-pthread" is specified.
1031 * pa-hpux11.h (LIB_SPEC): Likewise.
1033 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1034 Peter Bergner <bergner@vnet.ibm.com>
1036 PR rtl-optimization/33796
1037 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1039 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1041 PR libgfortran/34699
1042 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1044 * pa-hpux10.h (LINK_SPEC): Likewise.
1045 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1047 2008-01-16 Richard Guenther <rguenther@suse.de>
1050 * fold-const.c (fold_convert_const_int_from_int): Do not
1051 set overflow if that occured only because of a sign extension
1052 change when converting from/to a sizetype with the same
1053 precision and signedness.
1055 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1058 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1059 location address to the correct place. Update copyright year.
1061 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1063 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1064 no dependences in the dependence_relations vector.
1066 2008-01-16 Jan Hubicka <jh@suse.cz>
1068 PR rtl-optimization/31396
1069 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1070 * cfg.c (dump_reg_info): Print it.
1071 * regs.h (struct reg_info_t): add freq_calls_crossed.
1072 (REG_FREQ_CALLS_CROSSED): New macro.
1073 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1074 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1075 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1076 regmove_optimize): Update call crossed frequencies.
1077 * local-alloc.c (struct qty): Add freq_calls_crossed.
1078 (alloc_qty): Copute freq_calls_crossed.
1079 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1080 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1081 * ra.h (struct allocno): Add freq_calls_crossed.
1083 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1085 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1086 libgomp when compiling with ftree-parallelize-loops.
1087 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1089 2008-01-16 Richard Guenther <rguenther@suse.de>
1091 PR tree-optimization/34769
1092 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1093 * tree.c (int_cst_value): Instead make this function more
1094 permissive in what it accepts as valid input. Document this
1095 function always sign-extends the value.
1097 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1098 Richard Guenther <rguenther@suse.de>
1101 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1102 (gimple_fold_indirect_ref_rhs): ... this.
1103 (gimple_fold_indirect_ref): New function with foldings
1104 that preserve lvalueness.
1105 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1106 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1107 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1108 to fold an INDIRECT_REF, fall back to the old use of
1109 fold_indirect_ref_1.
1111 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1113 * tree-data-ref.c (subscript_dependence_tester_1): Call
1114 free_conflict_function.
1115 (compute_self_dependence): Same.
1117 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1120 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1121 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1123 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1124 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1125 for DWARF2_UNWIND_INFO targets.
1127 2008-01-16 Richard Guenther <rguenther@suse.de>
1130 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1131 type qualifiers for function types.
1133 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1135 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1136 loop_iterator li from previous commit.
1138 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1140 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1142 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1144 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1145 (parallelize_loops): Don't parallelize irreducible components.
1147 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1150 * c-opts (c_common_post_options): Do not enable CPP
1151 flag_pedantic_errors by default.
1153 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1155 PR rtl-optimization/31944
1156 * cse.c (remove_pseudo_from_table): New function.
1157 (merge_equiv_classes): Use above function to remove pseudo-registers.
1158 (invalidate): Likewise.
1160 2008-01-13 Richard Guenther <rguenther@suse.de>
1163 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1164 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1166 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1168 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1169 validate_change to unshare the source of the PC set.
1171 2008-01-12 Jan Hubicka <jh@suse.cz>
1174 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1175 references above array bounds. This might trigger bounds checks for
1178 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1180 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1181 new_replaceable_dependencies.
1183 2008-01-12 Doug Kwan <dougkwan@google.com>
1185 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1186 instead of OPT_Wreturn_type in warning due to ignored return type
1188 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1189 options included in -Wextra.
1190 * c.opt: New option -Wignored_qualifiers.
1191 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1192 -Wignore_qualifiers.
1193 (-Wignored-qualifiers): Document.
1194 (-Wreturn-type): Remove description of functionality now handled
1195 by -Wignored-qualifiers.
1197 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1200 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1201 NOP_EXPR if it is between integral types with the same precision.
1203 2008-01-12 Jan Hubicka <jh@suse.cz>
1206 * invoke.texi (max-inline-recursive-depth): Fix default value.
1208 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1210 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1213 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1215 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1217 2008-01-11 James E. Wilson <wilson@specifix.com>
1220 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1222 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1224 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1225 save/restore frame pointer register and don't use 'call-prologues'
1226 optimization in function with "OS_task" attribute.
1228 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1231 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1232 when copying to memory.
1234 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1236 PR rtl-optimization/30905
1237 * cfgcleanup.c: Include dce.h
1238 (crossjumps_occured): New global variable.
1239 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1240 If something changed, set crossjumps_occured to true.
1241 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1242 Don't add/remove fake edges to exit here...
1243 (cleanup_cfg): ...but do it here, when crossjumping.
1244 Run a fast DCE when successful crossjumps occured in the latest
1245 iteration of try_optimize_cfg.
1247 2008-01-11 Richard Guenther <rguenther@suse.de>
1249 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1250 (struct vn_unary_op_s): Likewise.
1251 (vn_reference_insert): Free old reference on hash collision.
1253 2008-01-10 Raksit Ashok <raksit@google.com>
1255 PR rtl-optimization/27971
1256 * combine.c (find_split_point): Split PLUS expressions which are
1257 inside a MEM rtx, and whose first operand is complex.
1259 2008-01-10 DJ Delorie <dj@redhat.com>
1261 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1262 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1263 (m32c_hard_regno_ok): Call the underlying function.
1265 2008-01-10 Richard Guenther <rguenther@suse.de>
1268 * tree-cfg.c (tree_merge_blocks): Do not go through the
1269 full-blown folding and stmt updating path if we just deal
1270 with virtual operands.
1271 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1272 test for abnormal SSA_NAMEs.
1274 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1277 * reload.c (push_reload): Add assertions. All constants from
1278 reg_equiv_constant should have been used for replacing the respective
1280 (find_reloads_address): Invoke find_reloads_address_part for
1281 constant taken from the reg_equiv_constant array.
1283 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1285 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1286 field (valnum) the first in the struct. Replace bools with
1289 2008-01-10 Richard Guenther <rguenther@suse.de>
1291 PR tree-optimization/34651
1292 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1293 types and ordering for masking and converting.
1295 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1297 PR tree-optimization/34017
1298 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1299 also for PHI_NODE expressions.
1301 2008-01-09 Jan Hubicka <jh@suse.cz>
1303 PR tree-optimization/34708
1304 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1305 based on number of case labels.
1306 (init_inline_once): Remove switch_cost.
1307 * tree-inline.h (eni_weights_d): Remove switch_cost.
1309 2008-01-09 Richard Guenther <rguenther@suse.de>
1310 Andrew Pinski <andrew_pinski@playstation.sony.com>
1313 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1314 temporary if an rvalue is ok or an lvalue is not required.
1316 2008-01-09 Richard Guenther <rguenther@suse.de>
1319 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1322 2008-01-09 Richard Guenther <rguenther@suse.de>
1325 * tree.c (host_integerp): Check for sizetype only if the
1326 type is an integer type.
1328 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1331 * opts.c (decode_options): Disable inlining of functions called
1332 once if not in unit-at-a-time mode.
1334 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1336 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1338 2008-01-08 Richard Guenther <rguenther@suse.de>
1341 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1342 out early if the result will be unused.
1344 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1349 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1350 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1353 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1355 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1356 for vectorization tuned.
1358 2008-01-08 Richard Guenther <rguenther@suse.de>
1360 PR tree-optimization/34683
1361 * tree-ssa-operands.c (operand_build_cmp): Export.
1362 * tree-ssa-operands.h (operand_build_cmp): Declare.
1363 * tree-vn.c (vuses_compare): Remove.
1364 (sort_vuses): Use operand_build_cmp.
1365 (sort_vuses_heap): Likewise.
1366 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1367 to re-use old VEC if available. Do not sort already sorted VUSEs.
1368 (vdefs_to_vec): Do not sort already sorted VDEFs.
1370 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1373 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1375 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1378 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1379 limitations of reciprocal sequences on x86 targets.
1381 2008-01-08 Richard Guenther <rguenther@suse.de>
1383 PR tree-optimization/34683
1384 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1386 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1389 * config/darwin.c (darwin_mergeable_string_section): Don't use
1390 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1392 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1395 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1396 negxf2. Macroize expander using X87MODEF mode iterator. Change
1397 predicates of op0 and op1 to register_operand.
1398 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1399 expander using X87MODEF mode iterator. Change predicates of
1400 op0 and op1 to register_operand.
1401 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1402 corresponding patterns and macroize using MODEF macro. Change
1403 predicates of op0 and op1 to register_operand and remove
1404 "m" constraint. Disparage "r" alternative with "!".
1405 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1406 macroize using X87MODEF macro. Change predicates of op0 and op1
1407 to register_operand and remove "m" constraint. Disparage "r"
1408 alternative with "!".
1409 (absneg splitter with memory operands): Remove.
1410 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1411 patterns and macroize using X87MODEF mode iterator.
1412 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1413 Change predicate of op1 to register_operand.
1414 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1415 for memory operands.
1417 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1419 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1421 2008-01-07 Richard Guenther <rguenther@suse.de>
1423 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1426 2008-01-07 Richard Guenther <rguenther@suse.de>
1428 PR tree-optimization/34683
1429 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1430 VOPs of the needed size to save memory. Use VEC_quick_push
1431 to save compile-time.
1432 (vdefs_to_vec): Likewise.
1434 2008-01-07 Sa Liu <saliu@de.ibm.com>
1436 * config/spu/spu.md (divdf3): Genetate inline code for double
1437 division. The implementation doesn't handle INF or NAN, therefore it
1438 only applies when -ffinite-math-only is given.
1440 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1443 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1444 * doc/cpp.texi ([Common Predefined Macros]): Document.
1446 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1448 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1449 order to use commutative addition instead of subtraction.
1451 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1452 Mircea Namolaru <namolaru@il.ibm.com>
1453 Vladimir Yanovsky <yanov@il.ibm.com>
1454 Revital Eres <eres@il.ibm.com>
1456 PR tree-optimization/34263
1457 * tree-outof-ssa.c (process_single_block_loop_latch,
1458 contains_tree_r): New functions.
1459 (analyze_edges_for_bb): Call process_single_block_loop_latch
1460 function to empty single-basic-block latch block if possible.
1462 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1464 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1466 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1468 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1470 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1472 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1474 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1476 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1478 PR tree-optimization/34618
1479 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1482 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1485 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1486 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1487 Update copyright year.
1489 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1490 Update copyright year.
1491 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1494 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1496 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1497 edge does not point to current bb before changing need_assert.
1499 2008-01-04 Richard Guenther <rguenther@suse.de>
1502 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1503 for verifying purposes if they are is_gimple_min_invariant.
1505 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1507 PR tree-optimization/34448
1508 PR tree-optimization/34465
1509 * gimplify.c (gimplify_init_constructor): Add new parameter
1510 notify_temp_creation. Use it.
1511 (gimplify_modify_expr_rhs): Take volatiles into account when
1512 optimizing constructors.
1513 Do not optimize constructors if gimplify_init_constructor will dump to
1515 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1516 * gcc.c-torture/compile/pr34448.c: New.
1518 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1520 PR gcov-profile/34609
1521 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1522 return_slot if result is TREE_ADDRESSABLE.
1524 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1526 * config/mips/mips.md (sqrt_condition): Tweak comment.
1527 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1529 2008-01-03 Tom Tromey <tromey@redhat.com>
1532 * c-common.c (c_type_hash): Handle VLAs.
1534 2008-01-03 Jan Hubicka <jh@suse.cz>
1536 PR tree-optimization/31081
1537 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1538 0 when inlining and not inlining to first basic block.
1539 (remap_decl): When var is initialized to 0, don't set default_def.
1540 (expand_call_inline): Set entry_bb.
1541 * tree-inline.h (copy_body_data): Add entry_bb.
1543 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1546 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1549 PR tree-optimization/29484
1550 * tree-inline.c (inline_forbidden_p_2): New function.
1551 (inline_forbidden_p): Disallow inlining if some static var
1552 has an address of a local LABEL_DECL in its initializer.
1553 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1556 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1558 PR tree-optimization/34635
1559 * tree-data-ref.c (add_other_self_distances): Make sure that the
1560 evolution step is constant.
1562 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1565 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1567 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1569 * tree-sra.c (scalarize_init): Insert the generate_element_init
1570 statements after the generate_element_zero statements.
1572 2008-01-02 Richard Guenther <rguenther@suse.de>
1576 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1577 for very large number of operands instead of ICEing.
1579 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1582 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1583 while stack probing.
1585 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1587 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1590 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1593 * tree-mudflap.c (mx_register_decls): Guard warning by
1594 !DECL_ARTIFICIAL check.
1596 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1598 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1599 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1600 sse5_perm<mode>): Fix constraints.