1 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6 2008-02-18 Joey Ye <joey.ye@intel.com>
9 * tree-nested.c (insert_field_into_struct): Set type alignment
10 to field alignment if the former is less than the latter.
12 2008-02-18 Jakub Jelinek <jakub@redhat.com>
14 * BASE-VER: Set to 4.4.0.
16 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
19 * doc/cfg.texi: Likewise.
20 * doc/extend.texi: Likewise.
21 * doc/gty.texi: Likewise.
22 * doc/invoke.texi: Likewise.
23 * doc/loop.texi: Likewise.
24 * doc/md.texi: Likewise.
25 * doc/passes.texi: Likewise.
26 * doc/rtl.texi: Likewise.
27 * doc/sourcebuild.texi: Likewise.
28 * doc/tm.texi: Likewise.
29 * doc/tree-ssa.texi: Likewise.
31 2008-02-17 Richard Guenther <rguenther@suse.de>
34 * tree-complex.c (init_parameter_lattice_values): Handle parameters
35 without default definition.
37 2008-02-17 Richard Guenther <rguenther@suse.de>
39 PR tree-optimization/35231
40 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
43 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
47 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
48 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
49 libgcc_cmp_return mode.
51 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
54 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
56 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
58 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
61 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
63 * doc/c-tree.texi: Use `@.' where appropriate.
64 * doc/extend.texi: Likewise.
65 * doc/install.texi: Likewise.
66 * doc/invoke.texi: Likewise.
67 * doc/loop.texi: Likewise.
68 * doc/makefile.texi: Likewise.
69 * doc/md.texi: Likewise.
70 * doc/passes.texi: Likewise.
71 * doc/standards.texi: Likewise.
72 * doc/tm.texi: Likewise.
74 2008-02-15 Jakub Jelinek <jakub@redhat.com>
77 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
79 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
80 rather than in entry_bb.
82 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
84 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
85 libgcc_cmp_return mode.
87 2008-02-15 Jakub Jelinek <jakub@redhat.com>
90 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
91 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
93 2008-02-15 Richard Guenther <rguenther@suse.de>
94 Zdenek Dvorak <ook@ucw.cz>
96 PR tree-optimization/35164
97 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
98 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
99 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
100 Only propagate addresses which do not have abnormal SSA_NAMEs
103 2008-02-15 Joseph Myers <joseph@codesourcery.com>
106 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
108 2008-02-15 Jan Hubicka <jh@suse.cz>
111 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
113 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
116 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
117 when calculating alignment_pad.
119 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
121 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
122 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
123 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
124 and STACK_BOUNDARY define.
126 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
128 PR preprocessor/35061
129 * c-pragma.c (handle_pragma_pop_macro): Check that
130 pushed_macro_table has been allocated.
132 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
135 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
136 (force_gimple_operand): Likewise.
137 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
138 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
139 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
140 (find_interesting_uses_address): Check addressability and alignment
141 of the base expression only after substituting bases of IVs into it.
143 2008-02-14 Michael Matz <matz@suse.de>
146 * function.c (instantiate_virtual_regs_in_insn): Reload address
147 before falling back to reloading the whole operand.
149 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
151 * config/s390/s390.c (s390_mainpool_start): Emit the pool
152 before the first section switch note.
154 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
156 * doc/bugreport.texi: Update copyright years.
157 * doc/c-tree.texi: Likewise.
158 * doc/cfg.texi: Likewise.
159 * doc/cpp.texi: Likewise.
160 * doc/cppinternals.texi: Likewise.
161 * doc/fragments.texi: Likewise.
162 * doc/frontends.texi: Likewise.
163 * doc/gcc.texi: Likewise.
164 * doc/gty.texi: Likewise.
165 * doc/hostconfig.texi: Likewise.
166 * doc/implement-c.texi: Likewise.
167 * doc/libgcc.texi: Likewise.
168 * doc/loop.texi: Likewise.
169 * doc/makefile.texi: Likewise.
170 * doc/options.texi: Likewise.
171 * doc/passes.texi: Likewise.
172 * doc/rtl.texi: Likewise.
173 * doc/sourcebuild.texi: Likewise.
174 * doc/standards.texi: Likewise.
175 * doc/tree-ssa.texi: Likewise.
176 * doc/trouble.texi: Likewise.
178 * doc/extend.texi: Use @: or add comma where appropriate.
179 * doc/invoke.texi: Likewise.
180 * doc/tm.texi: Likewise.
182 2008-02-14 Alan Modra <amodra@bigpond.net.au>
185 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
188 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
190 * doc/md.texi (clz, ctz): Add reference.
191 * doc/rtl.texi (clz, ctz): Likewise.
193 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
196 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
199 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
201 * config/s390/s390.c (struct constant_pool): New field
202 emit_pool_after added.
203 (s390_mainpool_start): Set the emit_pool_after flag according
204 to the section switch notes.
205 (s390_mainpool_finish): Consider emit_pool_after when emitting
206 the literal pool at the end of the function.
207 (s390_chunkify_start): Force literal pool splits at section
210 2008-02-13 Michael Matz <matz@suse.de>
213 * var-tracking.c (clobber_variable_part): Correctly traverse the
216 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
219 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
220 Add -fdump-ipa-inline.
221 * tree-dump.c (dump_files): Remove tree-inlined dump.
222 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
224 2008-02-12 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/35171
227 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
230 2008-02-12 Richard Guenther <rguenther@suse.de>
233 * fold-const.c (fold_widened_comparison): Use get_unwidened in
234 value-preserving mode. Disallow final truncation.
236 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
239 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
241 (force_gimple_operand): ...here.
243 2008-02-12 Jakub Jelinek <jakub@redhat.com>
246 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
247 non-compatible pointers.
248 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
249 different FIELD_DECLs, try harder by comparing field offsets, sizes
253 * function.c (match_asm_constraints_1): Don't replace the same input
256 2008-02-12 Anatoly Sokolov <aesok@post.ru>
258 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
259 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
260 (expand_epilogue): Restore RAMPZ register.
261 * config/avr/avr.md (RAMPZ_ADDR): New constant.
263 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
265 * config/i386/cygwin.asm: (__alloca): Correct calling
266 convention and alignment.
267 (__chkstk): Force 8 byte stack alignment.
269 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
270 Richard Guenther <rguenther@suse.de>
272 PR tree-optimization/33992
273 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
274 the zero we compare against.
276 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
279 * gthr-win32.h (__gthread_mutex_destroy_function): New function
280 to CloseHandle after unlocking to prevent accumulation of handle
283 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
286 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
287 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
288 and update LABEL_NUSES during and after reload.
290 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
293 * combine.c (simplify_if_then_else): Make sure the comparison is
294 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
296 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
299 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
300 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
301 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
302 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
303 * tree.h (get_type_static_bounds): Likewise.
305 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
307 * doc/invoke.texi (Option Summary, C++ Dialect Options)
308 (Objective-C and Objective-C++ Dialect Options, Warning Options):
309 Make -Wfoo language annotations match what the compiler outputs.
311 2008-02-08 Sa Liu <saliu@de.ibm.com>
313 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
314 intrinsics spu_convts, spu_convtu, spu_convtf.
315 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
317 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
319 * doc/extend.texi (Function Attributes) <noinline>: Mention
320 asm ("") as method to keep calls.
322 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
325 * doc/options.texi (Options): Replace references to opts.sh with
327 * opts-common.c: Likewise.
328 * optc-gen.awk: Likewise.
330 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
332 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
334 2008-02-07 Richard Henderson <rth@redhat.com>
337 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
338 EXPR_LIST for the REG_EQUAL instead of a comparison with a
341 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
343 PR tree-optimization/35085
344 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
345 for operand entry oe2 in addition to operand entry oe3 in order to
346 expose more opportunities for vectorizer sum reduction.
348 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
351 * Makefile.in (LIBS): Remove $(GMPLIBS).
352 (cc1-dummy, cc1): Add $(GMPLIBS).
354 2008-02-06 Jan Hubicka <jh@suse.cz>
357 * i386.md (moddf_integer): Do not produce partial memory stalls for
358 targets where it hurts.
360 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
363 * optabs.c (expand_float): Do not check for decimal modes when
364 expanding unsigned integer through signed conversion.
366 2008-02-06 Nick Clifton <nickc@redhat.com>
368 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
369 inside the clobber with a match_operand and duplicated operand
370 number in the constraint.
371 (ineqbranchsi): Delete redundant comment.
373 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
375 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
376 builtin_define ("__USE_INIT_FINI__").
377 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
379 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
381 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
383 PR documentation/30330
384 * doc/invoke.texi (C++ Dialect Options)
385 (Objective-C and Objective-C++ Dialect Options, Warning Options):
386 For each warning option -Wfoo that allows -Wno-foo, ensure both
387 -Wfoo and -Wno-foo are listed in the option index. Fix index
388 entry of -Wswitch-default, index -Wnormalized= including the
389 `=', and -Wlarger-than-@var{len} including @var{len}.
391 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
393 * config/i386/i386.md (floatunssisf2): Use
394 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
395 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
396 Macroize expander using MODEF mode iterator.
398 2008-02-05 Diego Novillo <dnovillo@google.com>
400 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
403 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
405 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
408 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
410 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
413 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
414 to indicate if a message should be generated.
415 (init_cumulative_args): Updated.
416 (function_value_32): Likewise.
418 2008-02-05 Joseph Myers <joseph@codesourcery.com>
420 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
422 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
425 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
426 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
428 2008-02-04 Diego Novillo <dnovillo@google.com>
430 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
433 * tree-vrp.c (vrp_evaluate_conditional): With
434 -Wtype-limits, emit a warning when comparing against a
435 constant outside the natural range of OP0's type.
437 2008-02-04 Richard Guenther <rguenther@suse.de>
440 * expr.c (count_type_elements): Give for unions instead of
443 2008-02-04 Richard Guenther <rguenther@suse.de>
446 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
447 to TYPE_DOMAINs base type instead of using bitsizetype here.
449 2008-02-03 Jason Merrill <jason@redhat.com>
451 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
453 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
456 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
457 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
458 (RS/6000 and PowerPC Options): Fix typos and markup.
459 * doc/passes.texi (Tree-SSA passes): Likewise.
461 2008-02-02 Michael Matz <matz@suse.de>
464 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
465 from record_last_reg_set_info.
466 (record_last_reg_set_info): Take an RTX argument, iterate over all
467 constituent hardregs.
468 (record_last_set_info, record_opr_changes): Change calls to
469 new signature or to record_last_reg_set_info_regno.
471 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
473 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
475 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
477 PR rtl-optimization/34773
478 * reg-notes.def (EQUAL): Mention significance of combination of
479 REG_EQUAL and REG_RETVAL.
480 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
481 insn that has a REG_RETVAL.
483 2008-02-01 Roger Sayle <roger@eyesopen.com>
486 * configure.ac (--enable-fixed-point): Disable unless explicitly
488 * configure: Regenerate.
490 2008-02-01 Richard Guenther <rguenther@suse.de>
493 * invoke.texi (-finline-limit): Remove no longer true parts
494 of the documentation. Note that there is no default value.
496 2008-02-01 Andrew Pinski <pinskia@gmail.com>
497 Mark Mitchell <mark@codesourcery.com>
498 Ben Elliston <bje@au.ibm.com>
501 * doc/extend.texi (Other Builtins): Document.
503 2008-01-31 Tom Browder <tom.browder@gmail.com>
505 * doc/c-tree.texi (Types): Fix grammar.
506 (Expression trees): Ditto.
507 * doc/passes.texi (Tree-SSA passes): Ditto.
509 * doc/configterms.texi (Configure Terms): Fix typo.
510 * doc/cpp.texi (Common Predefined Macros): Ditto.
511 * doc/md.texi (Machine Constraints): Ditto.
513 * doc/makefile.texi (Makefile): Add comma.
515 2008-01-31 Tom Browder <tom.browder@gmail.com>
516 Gerald Pfeifer <gerald@pfeifer.com>
518 * doc/sourcebuild.texi (Front End): Remove references to CVS
520 (Texinfo Manuals): Replace reference to CVS by one to SVN.
521 (Back End): Remove reference to CVS.
523 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
526 * config/mips/mips.c (gen_load_const_gp): New function, taking a
528 (mips16_gp_pseudo_reg): ...here.
529 * config/mips/mips.md (load_const_gp): Replace with...
530 (load_const_gp_<mode>): ...this :P-based insn.
532 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
534 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
535 options. Minor fixes.
536 (-std): Move reference to standards closer to where language
537 standards are first mentioned.
539 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
541 PR rtl-optimization/34995
542 * reload.c (alternative_allows_const_pool_ref): Take an rtx
543 parameter and return a bool. If the rtx parameter is nonnull,
544 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
545 (find_reloads): Update call accordingly. Pass the new operand
546 if it needed no address reloads, otherwise pass null.
548 2008-01-30 Richard Henderson <rth@redhat.com>
551 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
552 for unbounded arrays.
554 2008-01-30 Silvius Rus <rus@google.com>
556 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
558 2008-01-30 Jan Hubicka <jh@suse.cz>
561 * i386.c (init_cumulative_args): Use real function declaration when
564 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
566 PR rtl-optimization/34998
567 * global.c (build_insn_chain): Treat non-subreg_lowpart
568 SUBREGs of pseudos as clobbering all the words covered by the
569 SUBREG, not just all the bytes.
570 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
571 original df_ref rather than an extract parameter.
572 (global_conflicts): Update call accordingly.
574 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
576 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
577 the overflow check to make it easier to read.
578 (__fixtfdi): Change the type of the ll member in union
579 long_double to UDItype_x.
581 2008-01-30 Jakub Jelinek <jakub@redhat.com>
584 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
585 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
586 * tree-inline.c (fold_marked_statements): Call
587 cgraph_update_edges_for_call_stmt if folding a call statement.
588 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
589 debug_generic_stmt calls, reset it back afterwards.
592 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
594 * c-typeck.c (build_external_ref): Don't pedwarn about
595 static vars in current function's scope.
597 2008-01-29 Joseph Myers <joseph@codesourcery.com>
599 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
601 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
604 * ipa-struct-reorg.c: Fix spelling.
607 2008-01-29 Richard Guenther <rguenther@suse.de>
610 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
612 * tree-inline.c (remap_type): Increment remapping_type_depth
613 around remapping types.
614 (copy_body_r): Only add referenced variables if they are referenced
615 from code, not types.
617 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
628 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
629 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
631 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
634 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
635 pointer for tiny stack.
637 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
639 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
641 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
643 * config/vx-common.h: Fix typo in comment.
645 2008-01-28 Ian Lance Taylor <iant@google.com>
649 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
650 coalesce pointers if they have different DECL_NO_TBAA_P values.
651 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
652 between variables with different DECL_NO_TBAA_P values.
654 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
657 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
658 are not legitimate small data references on SPE targets.
660 2008-01-28 David Daney <ddaney@avtrex.com>
662 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
664 2008-01-28 David Daney <ddaney@avtrex.com>
666 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
668 2008-01-27 Joseph Myers <joseph@codesourcery.com>
670 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
671 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
672 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
673 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
674 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
675 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
676 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
677 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
679 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
681 * basic-block.h (condjump_equiv_p): Fix comment.
683 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
685 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
686 print_generic_stmt_indented): Fix comment.
688 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
690 * configure.ac (__stack_chk_fail): Add detecion for availability
691 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
692 * configure: Regenerate.
694 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
697 * final.c (output_addr_const): Handle TRUNCATE.
699 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
702 * tree-ssa-loop-ivopts.c (comp_cost): New type.
703 (zero_cost, infinite_cost): New constants.
704 (struct cost_pair): Change type of cost to comp_cost.
705 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
706 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
708 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
709 split_address_cost, ptr_difference_cost, difference_cost,
710 get_computation_cost_at, get_computation_cost,
711 determine_use_iv_cost_generic, determine_use_iv_cost_address,
712 determine_use_iv_cost_condition, determine_use_iv_costs,
713 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
714 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
715 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
716 Change type of cost to comp_cost.
717 (determine_iv_cost): Increase cost of non-original ivs, instead
718 of decreasing the cost of original ones.
719 (get_address_cost): Indicate the complexity of the addressing mode
721 (try_add_cand_for): Prefer using ivs not specific to some object.
722 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
724 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
725 Janis Johnson <janis187@us.ibm.com>
728 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
729 (TARGET_INSTANTIATE_DECLS): Likewise.
730 * target.h (expand_to_rtl_hook): New target hook.
731 (instantiate_decls): Likewise.
732 * function.c (instantiate_decl): Make non-static. Rename to...
733 (instantiate_decl_rtl): ... this.
734 (instantiate_expr): Use instantiate_decl_rtl.
735 (instantiate_decls_1): Likewise.
736 (instantiate_decls): Likewise.
737 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
738 * function.h (instantiate_decl_rtl): Add prototype.
739 * cfgexpand.c (target.h): New include.
740 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
741 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
742 (TARGET_INSTANTIATE_DECLS): Likewise.
743 (TARGET_INITIALIZER): New target hooks added.
744 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
746 * config/rs6000/rs6000.c (tree-flow.h): New include.
747 (machine_function): Add sdmode_stack_slot field.
748 (rs6000_alloc_sdmode_stack_slot): New function.
749 (rs6000_instantiate_decls): Likewise.
750 (rs6000_secondary_memory_needed_rtx): Likewise.
751 (rs6000_check_sdmode): Likewise.
752 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
753 (TARGET_INSTANTIATE_DECLS): Likewise.
754 (rs6000_hard_regno_mode_ok): Allow SDmode.
755 (num_insns_constant): Likewise. Handle _Decimal32 constants.
756 (rs6000_emit_move): Handle SDmode.
757 (function_arg_advance): Likewise.
758 (function_arg): Likewise.
759 (rs6000_gimplify_va_arg): Likewise. Add special handling of
760 SDmode var args for 32-bit compiles.
761 (rs6000_secondary_reload_class): Handle SDmode.
762 (rs6000_output_function_epilogue): Likewise.
763 (rs6000_function_value): Simplify if statement.
764 (rs6000_libcall_value): Likewise.
765 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
766 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
767 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
768 (movsd_hardfloat): New define_insn.
769 (movsd_softfloat): Likewise.
770 (movsd_store): Likewise.
771 (movsd_load): Likewise.
772 (extendsddd2): Likewise.
773 (extendsdtd2): Likewise.
774 (truncddsd2): Likewise.
775 (movdd_hardfloat64): Fixup comment.
776 (UNSPEC_MOVSD_LOAD): New constant.
777 (UNSPEC_MOVSD_STORE): Likewise.
779 2008-01-26 Jakub Jelinek <jakub@redhat.com>
782 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
784 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
785 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
786 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
789 2008-01-26 David Edelsohn <edelsohn@gnu.org>
792 * config.gcc: Separate AIX 5.3 from AIX 6.1.
793 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
795 * config/rs6000/aix61.h: New file.
797 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
799 PR rtl-optimization/34959
800 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
801 popcount and parity rtxes the same mode as their operand.
802 Truncate or extend the result to the return value's mode
805 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
808 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
809 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
810 to GOT_VERSION_REGNUM.
811 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
812 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
813 * config/mips/mips.c (mips_emit_call_insn): New function.
814 (mips_call_tls_get_addr): Call mips_expand_call directly.
815 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
817 (mips16_build_call_stub): Likewise. Return the call insn or null.
818 (mips_expand_call): Update the call to mips16_build_call_stub
819 accordingly and a remove redundant condition. Assert that MIPS16
820 stubs do not use lazy binding. Use mips_emit_call_insn and return
822 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
824 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
825 (mips_avoid_hazard): Remove hazard_set handling.
826 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
827 (UNSPEC_RESTORE_GP): ...this.
828 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
829 (FAKE_CALL_REGNO): Rename to...
830 (GOT_VERSION_REGNUM): ...this.
831 (type): Add "ghost" value. Add an associated insn reservation.
832 (hazard_set): Remove.
833 (exception_receiver): Rename to...
834 (restore_gp): ...this and update the unspec identifier accordingly.
835 (exception_receiver, nonlocal_got_receiver): New expanders.
836 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
837 FAKE_CALL_REGNO. Remove hazard_set attribute.
838 (set_got_version, update_got_version): New patterns.
840 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
843 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
845 2008-01-25 Joseph Myers <joseph@codesourcery.com>
848 * doc/install.texi2html: Generate gcc-vers.texi.
850 2008-01-25 DJ Delorie <dj@redhat.com>
852 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
854 2008-01-25 Joseph Myers <joseph@codesourcery.com>
856 * config/c4x: Remove directory.
857 * config.gcc (crx-*, mt-*): Mark obsolete.
858 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
859 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
860 sh-*-rtemscoff*): Remove cases.
861 * defaults.h (C4X_FLOAT_FORMAT): Remove.
862 * real.c (encode_c4x_single, decode_c4x_single,
863 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
864 c4x_extended_format): Remove.
865 * real.h (c4x_single_format, c4x_extended_format): Remove.
866 * doc/extend.texi (interrupt, naked): Remove mention of attributes
868 (Pragmas): Remove comment about c4x pragmas.
869 * doc/install.texi (c4x): Remove target-specific instructions.
870 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
871 * doc/md.texi (Machine Constraints): Remove C4x documentation.
872 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
873 refer to C4x source files as examples.
874 (C4X_FLOAT_FORMAT): Remove documentation.
876 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
878 * config/bfin/bfin.c (override_options): Reorder tests so that
879 flag_pic gets enabled for -msep-data.
881 2008-01-25 Richard Guenther <rguenther@suse.de>
884 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
885 to its bitfield precision if required.
887 2008-01-25 Jakub Jelinek <jakub@redhat.com>
890 * tree-nested.c (walk_omp_for): New function.
891 (convert_nonlocal_reference, convert_local_reference): Call
892 walk_omp_for on OMP_FOR.
893 (convert_call_expr): Call walk_body on OMP_FOR's
894 OMP_FOR_PRE_INIT_BODY.
896 2008-01-25 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/34966
899 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
900 default defs and PHI_NODEs we have to insert after the
903 2008-01-24 Nick Clifton <nickc@redhat.com>
905 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
906 Provide a default definition.
907 (LIBGCC2_UNITS_PER_WORD): Likewise.
909 * config/stormy16/stormy16.c: Include df.h for the prototype
910 for df_regs_ever_live_p.
911 (xstormy16_expand_builtin_va_start): Convert the stack offset
912 into a component_ref and then use POINTER_PLUS_EXPR to add it
913 to the incoming_virtual_args_rtx.
914 (xstormy16_gimplify_va_arg_expr): Rename to
915 xstormy16_gimplify_va_arg_expr.
916 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
917 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
918 xstormy16_gimplify_va_arg_expr.
919 Fix up some formatting issues.
921 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
922 Move to predicates.md.
923 (xs_hi_general_operand): Likewise.
924 (xs_hi_nonmemory_operand): Likewise.
925 * config/stormy16/predicates.md:
926 (xstormy16_carry_plus_operand): New predicate.
927 (xs_hi_general_operand): New predicate.
928 (xs_hi_nonmemory_operand): New predicate.
929 * config/stormy16/stormy16-protos.h:
930 (xstormy16_carry_plus_operand): Delete prototype.
931 (xs_hi_general_operand): Likewise.
932 (xs_hi_nonmemory_operand): Likewise.
934 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
935 modifiers as they are no longer needed and they can trigger
936 reload spill failures.
938 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
939 with a match_operand in order to help reload.
941 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
942 constraint with 'e' for the 8th alternative as this version of
943 the mov.w instruction only accepts the lower 8 registers.
945 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
948 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
949 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
952 2008-01-25 Jakub Jelinek <jakub@redhat.com>
955 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
957 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
959 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
961 (remove_structure): Update allocations list before removing structure.
963 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
965 * ipa-struct-reorg.c (is_safe_cond_expr,
966 create_new_stmts_for_cond_expr): Use integer_zerop function,
967 that recognize not only zero-pointer, but zero-integer too.
969 2008-01-25 Ben Elliston <bje@au.ibm.com>
972 * fixproto: Escape "." in sed expression that strips leading "./".
974 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
977 * gcc.c (SWITCH_OK): Removed.
978 (SWITCH_LIVE): Changed to bit.
979 (SWITCH_FALSE): Likewise.
980 (SWITCH_IGNORE): Likewise.
981 (switchstr): Change live_cond to unsigned int.
982 (process_command): Replace SWITCH_OK with 0.
983 (do_self_spec): Likewise.
984 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
985 (give_switch): Likewise.
986 (used_arg): Likewise.
987 (do_spec_1): Set the SWITCH_IGNORE bit.
988 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
989 bits. Set the SWITCH_LIVE bit.
991 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
993 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
995 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
997 PR tree-optimization/34472
998 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
999 parameter to a "bool *" and set *DATA to false if there is
1000 an unsafe access. Do not delete the structure here.
1001 (check_cond_exprs): Delete it here instead.
1002 (check_cond_exprs, exclude_cold_structs): Do not increase
1003 I when removing a structure.
1005 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
1008 * config/i386/i386.c (ix86_expand_vector_init): Consider only
1009 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1011 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
1014 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1015 a fixed vector for stack.
1017 2008-01-24 Ben Elliston <bje@au.ibm.com>
1020 * doc/gcc.texi (Software development): Add a direntry for g++.
1022 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
1024 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1025 stale and straggling -fforce-addr comments above.
1027 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1029 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1030 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1032 2008-01-23 Michael Matz <matz@suse.de>
1035 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1038 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1040 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1043 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1045 * config/avr/avr.c (avr_current_arch): New variable.
1046 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1047 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1048 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1049 (avr_override_options): Init 'avr_current_arch'.
1050 (base_arch_s): Move from here...
1051 * config/avr/avr.h (base_arch_s): ... here. Add new members
1052 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1053 'mega' to 'have_jmp_call'.
1054 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1055 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1057 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1059 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1060 MULTILIB_MATCHES): (Ditto.).
1062 2008-01-23 Richard Guenther <rguenther@suse.de>
1065 * cgraphunit.c (cgraph_reset_node): Always mark the node
1066 not reachable if it is not queued already.
1068 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1070 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1071 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1072 (cputype_selected): New static variable.
1073 (bfin_handle_option): Set it if -mcpu is used.
1074 (override_option): Select default set of workarounds if no cpu type
1075 selected on the command line.
1076 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1078 From Michael Frysinger <michael.frysinger@analog.com>
1079 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1080 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1082 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1083 for bf547, bf523, bf524, and bf526.
1084 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1086 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1087 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1088 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1089 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1090 * doc/invoke.texi (Blackfin Options): Document that
1091 -mcpu now accept bf547, bf523, bf524, and bf526.
1093 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1095 PR rtl-optimization/34628
1096 * combine.c (try_combine): Stop and undo after the first combination
1097 if an autoincrement side-effect on the first insn has effectively
1100 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1103 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1104 Offset addresses are not valid for Altivec or paired float modes.
1106 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1109 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1110 if DECL_INITIAL (decl) is error_mark_node.
1113 * c-common.c (handle_vector_size_attribute): Only allow
1114 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1115 the same way as pointer, array etc. types.
1116 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1119 * tree.c (build_type_attribute_qual_variant): Call
1120 build_qualified_type if attributes are equal, but quals are not.
1122 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1125 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1126 * flags.h (warn_strict_aliasing): Remove.
1127 (warn_strict_overflow): Remove.
1128 * opts.c (warn_strict_aliasing): Remove.
1129 (warn_strict_overflow): Remove.
1130 * c-opts.c (c_common_handle_option): -Wall only sets
1131 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1132 (c_common_post_options): Give default values to -Wstrict-aliasing
1133 and -Wstrict-overflow if they are uninitialized.
1134 * common.opt (Wstrict-aliasing): Specify Var and Init.
1135 (Wstrict-overflow): Likewise.
1137 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1139 PR rtl-optimization/26854
1140 PR rtl-optimization/34400
1141 PR rtl-optimization/34884
1142 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1144 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1145 (df_rd_bb_info.expanded_lr_out): Deleted
1146 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1147 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1148 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1149 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1150 Removed code to allocate, initialize or free expanded_lr_out.
1151 (df_rd_bb_local_compute_process_def): Restructured to make more
1153 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1154 sets if the sets are being trimmed.
1156 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1159 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1160 (as_vers): Likewise.
1161 * configure: Regenerated.
1163 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1166 * tree-pass.h (pass_build_alias): New pass.
1167 * tree-ssa-alias.c (gate_build_alias): New.
1168 (pass_build_alias): New.
1169 * passes.c (init_optimization_passes): Add pass_build_alias after
1170 pass_create_structure_vars.
1172 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1174 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1175 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1176 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1177 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1178 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1179 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1180 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1181 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1182 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1183 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1184 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1185 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1186 * config/s390/s390.md (FP_ALL): New mode iterator.
1187 (_d): New mode attribute.
1188 ("*signbit<mode>2>"): Changed mode of first operand.
1189 ("isinf<mode>2"): Changed mode of first operand.
1190 ("*TDC_insn"): Adaptation for DFP modes.
1192 2008-01-22 Ben Elliston <bje@au.ibm.com>
1194 * tree.c (check_qualified_type): Improve function description.
1196 2008-01-21 Jason Merrill <jason@redhat.com>
1199 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1200 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1203 2008-01-21 DJ Delorie <dj@redhat.com>
1205 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1208 2008-01-21 Richard Guenther <rguenther@suse.de>
1211 * tree-cfg.c (verify_expr): Allow all invariant expressions
1212 instead of just constant class ones as reference argument.
1213 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1214 like any other constant.
1215 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1217 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1219 * regmove.c (fixup_match_1): Update call crossed frequencies.
1221 2008-01-21 Richard Guenther <rguenther@suse.de>
1224 * tree-inline.c (setup_one_parameter): Deal with mismatched
1225 types using a VIEW_CONVERT_EXPR.
1227 2008-01-21 Alon Dayan <alond@il.ibm.com>
1228 Olga Golovanevsky <olga@il.ibm.com>
1230 PR tree-optimization/34701
1231 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1232 when the structure size is not a power of 2.
1234 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1236 * doc/install.texi: Add doc for --enable-checking=df.
1238 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1240 PR rtl-optimization/34808
1241 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1243 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1245 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1248 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1250 PR rtl-optimization/26854
1251 PR rtl-optimization/34400
1252 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1254 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1255 (df_rd_bb_info.expanded_lr_out): New.
1256 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1257 * loop_iv.c (iv_analysis_loop_init): Ditto.
1258 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1259 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1260 Added code to allocate, initialize or free expanded_lr_out.
1261 (df_rd_bb_local_compute_process_def): Restructured to make
1262 more understandable.
1263 (df_rd_confluence_n): Add code to do nothing with fake edges and
1264 code to no apply invalidate_by_call sets if the sets are being trimmed.
1265 (df_lr_local_finalize): Renamed to df_lr_finalize.
1266 (df_live_local_finalize): Renamed to df_live_finalize.
1268 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1271 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1272 deciding whether to use reciprocal instructions.
1274 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1276 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1277 dwarf2out_note_section_used if cold_text_section is NULL.
1279 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1281 PR gcov-profile/34610
1282 * tree-cfg.c (make_edges): Mark both outgoing edges from
1283 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1284 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1285 from OMP_FOR and OMP_CONTINUE outgoing edges.
1287 * tree-profile.c (tree_profiling): Return early if
1288 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1290 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1291 from cfun to child_cfun.
1292 * function.h (struct function): Add after_tree_profile bit.
1294 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1296 * config/avr/avr.S (_exit): Disable interrupt.
1298 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1299 Steven Bosscher <stevenb.gcc@gmail.com>
1301 PR rtl-optimization/26854
1302 PR rtl-optimization/34400
1303 * df-problems.c (df_live_scratch): New scratch bitmap.
1304 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1305 (df_live_reset): Clear the proper bitmaps.
1306 (df_live_bb_local_compute): Only process the artificial defs once
1307 since the order is not important.
1308 (df_live_init): Init the df_live sets only with the variables
1309 found live by df_lr.
1310 (df_live_transfer_function): Use the df_lr sets to prune the
1311 df_live sets as they are being computed.
1312 (df_live_free): Free df_live_scratch.
1314 2008-01-18 Ian Lance Taylor <iant@google.com>
1316 * common.opt: Add fmerge-debug-strings.
1317 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1318 flag_merge_debug_strings rather than flag_merge_constants.
1319 * doc/invoke.texi (Option Summary): Mention
1320 -fmerge-debug-strings.
1321 (Debugging Options): Document -fmerge-debug-strings.
1323 2008-01-18 Ian Lance Taylor <iant@google.com>
1326 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1327 (struct tree_function_decl): Add new field operator_new_flag.
1328 * tree-inline.c (expand_call_inline): When inlining a call to
1329 operator new, force the return value to go into a variable, and
1330 set DECL_NO_TBAA_P on that variable.
1331 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1333 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1336 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1337 DWARF2_DEBUGGING_INFO.
1338 (dwarf2out_note_section_used): Ditto. Add prototype.
1339 (have_multiple_function_sections, text_section_used,
1340 cold_text_section_used, *cold_text_sections): Move declarations
1343 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1345 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1346 field and add signal_ra.
1347 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1348 assignments to frame state pc. Move end of stack check after
1349 MD_FALLBACK_FRAME_STATE_FOR.
1350 (uw_update_context_1): Use frame state signal_regs if set, instead
1351 of checking signal_frame flag.
1352 (uw_update_context): Use frame state signal_ra if set.
1353 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1354 * config/xtensa/linux-unwind.h: New file.
1356 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1358 * modulo-sched.c (get_sched_window): Fix comment typo.
1360 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1362 PR tree-optimization/34648
1363 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1365 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1367 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1368 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1370 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1372 PR rtl-optimization/34400
1373 * df-core.c (df_worklist_dataflow_overeager,
1374 df_worklist_dataflow_doublequeue): New functions.
1375 (df_worklist_dataflow): Two different worklist solvers.
1376 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1379 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1382 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1383 and ftree-parallelize-loops.
1385 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1387 PR rtl-optimization/34826
1388 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1390 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1392 * global.c (find_reg): Mark the eh regs as used if necessary.
1393 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1394 * ra.h (struct allocno): no_eh_reg field added. Changed
1395 no_stack_reg type to bitfield.
1397 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1399 * tree.c (substitute_in_expr): Add missing 'break'.
1401 2008-01-17 Richard Guenther <rguenther@suse.de>
1403 PR tree-optimization/34825
1404 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1405 x / x as division to handle.
1407 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1409 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1410 "-pthread" is specified.
1411 * pa-hpux11.h (LIB_SPEC): Likewise.
1413 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1414 Peter Bergner <bergner@vnet.ibm.com>
1416 PR rtl-optimization/33796
1417 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1419 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1421 PR libgfortran/34699
1422 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1424 * pa-hpux10.h (LINK_SPEC): Likewise.
1425 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1427 2008-01-16 Richard Guenther <rguenther@suse.de>
1430 * fold-const.c (fold_convert_const_int_from_int): Do not
1431 set overflow if that occured only because of a sign extension
1432 change when converting from/to a sizetype with the same
1433 precision and signedness.
1435 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1438 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1439 location address to the correct place. Update copyright year.
1441 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1443 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1444 no dependences in the dependence_relations vector.
1446 2008-01-16 Jan Hubicka <jh@suse.cz>
1448 PR rtl-optimization/31396
1449 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1450 * cfg.c (dump_reg_info): Print it.
1451 * regs.h (struct reg_info_t): add freq_calls_crossed.
1452 (REG_FREQ_CALLS_CROSSED): New macro.
1453 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1454 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1455 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1456 regmove_optimize): Update call crossed frequencies.
1457 * local-alloc.c (struct qty): Add freq_calls_crossed.
1458 (alloc_qty): Copute freq_calls_crossed.
1459 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1460 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1461 * ra.h (struct allocno): Add freq_calls_crossed.
1463 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1465 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1466 libgomp when compiling with ftree-parallelize-loops.
1467 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1469 2008-01-16 Richard Guenther <rguenther@suse.de>
1471 PR tree-optimization/34769
1472 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1473 * tree.c (int_cst_value): Instead make this function more
1474 permissive in what it accepts as valid input. Document this
1475 function always sign-extends the value.
1477 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1478 Richard Guenther <rguenther@suse.de>
1481 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1482 (gimple_fold_indirect_ref_rhs): ... this.
1483 (gimple_fold_indirect_ref): New function with foldings
1484 that preserve lvalueness.
1485 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1486 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1487 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1488 to fold an INDIRECT_REF, fall back to the old use of
1489 fold_indirect_ref_1.
1491 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1493 * tree-data-ref.c (subscript_dependence_tester_1): Call
1494 free_conflict_function.
1495 (compute_self_dependence): Same.
1497 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1500 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1501 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1503 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1504 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1505 for DWARF2_UNWIND_INFO targets.
1507 2008-01-16 Richard Guenther <rguenther@suse.de>
1510 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1511 type qualifiers for function types.
1513 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1515 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1516 loop_iterator li from previous commit.
1518 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1520 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1522 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1524 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1525 (parallelize_loops): Don't parallelize irreducible components.
1527 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1530 * c-opts (c_common_post_options): Do not enable CPP
1531 flag_pedantic_errors by default.
1533 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1535 PR rtl-optimization/31944
1536 * cse.c (remove_pseudo_from_table): New function.
1537 (merge_equiv_classes): Use above function to remove pseudo-registers.
1538 (invalidate): Likewise.
1540 2008-01-13 Richard Guenther <rguenther@suse.de>
1543 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1544 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1546 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1548 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1549 validate_change to unshare the source of the PC set.
1551 2008-01-12 Jan Hubicka <jh@suse.cz>
1554 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1555 references above array bounds. This might trigger bounds checks for
1558 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1560 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1561 new_replaceable_dependencies.
1563 2008-01-12 Doug Kwan <dougkwan@google.com>
1565 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1566 instead of OPT_Wreturn_type in warning due to ignored return type
1568 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1569 options included in -Wextra.
1570 * c.opt: New option -Wignored_qualifiers.
1571 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1572 -Wignore_qualifiers.
1573 (-Wignored-qualifiers): Document.
1574 (-Wreturn-type): Remove description of functionality now handled
1575 by -Wignored-qualifiers.
1577 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1580 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1581 NOP_EXPR if it is between integral types with the same precision.
1583 2008-01-12 Jan Hubicka <jh@suse.cz>
1586 * invoke.texi (max-inline-recursive-depth): Fix default value.
1588 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1590 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1593 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1595 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1597 2008-01-11 James E. Wilson <wilson@specifix.com>
1600 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1602 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1604 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1605 save/restore frame pointer register and don't use 'call-prologues'
1606 optimization in function with "OS_task" attribute.
1608 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1611 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1612 when copying to memory.
1614 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1616 PR rtl-optimization/30905
1617 * cfgcleanup.c: Include dce.h
1618 (crossjumps_occured): New global variable.
1619 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1620 If something changed, set crossjumps_occured to true.
1621 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1622 Don't add/remove fake edges to exit here...
1623 (cleanup_cfg): ...but do it here, when crossjumping.
1624 Run a fast DCE when successful crossjumps occured in the latest
1625 iteration of try_optimize_cfg.
1627 2008-01-11 Richard Guenther <rguenther@suse.de>
1629 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1630 (struct vn_unary_op_s): Likewise.
1631 (vn_reference_insert): Free old reference on hash collision.
1633 2008-01-10 Raksit Ashok <raksit@google.com>
1635 PR rtl-optimization/27971
1636 * combine.c (find_split_point): Split PLUS expressions which are
1637 inside a MEM rtx, and whose first operand is complex.
1639 2008-01-10 DJ Delorie <dj@redhat.com>
1641 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1642 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1643 (m32c_hard_regno_ok): Call the underlying function.
1645 2008-01-10 Richard Guenther <rguenther@suse.de>
1648 * tree-cfg.c (tree_merge_blocks): Do not go through the
1649 full-blown folding and stmt updating path if we just deal
1650 with virtual operands.
1651 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1652 test for abnormal SSA_NAMEs.
1654 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1657 * reload.c (push_reload): Add assertions. All constants from
1658 reg_equiv_constant should have been used for replacing the respective
1660 (find_reloads_address): Invoke find_reloads_address_part for
1661 constant taken from the reg_equiv_constant array.
1663 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1665 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1666 field (valnum) the first in the struct. Replace bools with
1669 2008-01-10 Richard Guenther <rguenther@suse.de>
1671 PR tree-optimization/34651
1672 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1673 types and ordering for masking and converting.
1675 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1677 PR tree-optimization/34017
1678 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1679 also for PHI_NODE expressions.
1681 2008-01-09 Jan Hubicka <jh@suse.cz>
1683 PR tree-optimization/34708
1684 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1685 based on number of case labels.
1686 (init_inline_once): Remove switch_cost.
1687 * tree-inline.h (eni_weights_d): Remove switch_cost.
1689 2008-01-09 Richard Guenther <rguenther@suse.de>
1690 Andrew Pinski <andrew_pinski@playstation.sony.com>
1693 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1694 temporary if an rvalue is ok or an lvalue is not required.
1696 2008-01-09 Richard Guenther <rguenther@suse.de>
1699 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1702 2008-01-09 Richard Guenther <rguenther@suse.de>
1705 * tree.c (host_integerp): Check for sizetype only if the
1706 type is an integer type.
1708 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1711 * opts.c (decode_options): Disable inlining of functions called
1712 once if not in unit-at-a-time mode.
1714 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1716 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1718 2008-01-08 Richard Guenther <rguenther@suse.de>
1721 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1722 out early if the result will be unused.
1724 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1729 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1730 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1733 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1735 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1736 for vectorization tuned.
1738 2008-01-08 Richard Guenther <rguenther@suse.de>
1740 PR tree-optimization/34683
1741 * tree-ssa-operands.c (operand_build_cmp): Export.
1742 * tree-ssa-operands.h (operand_build_cmp): Declare.
1743 * tree-vn.c (vuses_compare): Remove.
1744 (sort_vuses): Use operand_build_cmp.
1745 (sort_vuses_heap): Likewise.
1746 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1747 to re-use old VEC if available. Do not sort already sorted VUSEs.
1748 (vdefs_to_vec): Do not sort already sorted VDEFs.
1750 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1753 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1755 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1758 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1759 limitations of reciprocal sequences on x86 targets.
1761 2008-01-08 Richard Guenther <rguenther@suse.de>
1763 PR tree-optimization/34683
1764 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1766 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1769 * config/darwin.c (darwin_mergeable_string_section): Don't use
1770 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1772 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1775 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1776 negxf2. Macroize expander using X87MODEF mode iterator. Change
1777 predicates of op0 and op1 to register_operand.
1778 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1779 expander using X87MODEF mode iterator. Change predicates of
1780 op0 and op1 to register_operand.
1781 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1782 corresponding patterns and macroize using MODEF macro. Change
1783 predicates of op0 and op1 to register_operand and remove
1784 "m" constraint. Disparage "r" alternative with "!".
1785 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1786 macroize using X87MODEF macro. Change predicates of op0 and op1
1787 to register_operand and remove "m" constraint. Disparage "r"
1788 alternative with "!".
1789 (absneg splitter with memory operands): Remove.
1790 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1791 patterns and macroize using X87MODEF mode iterator.
1792 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1793 Change predicate of op1 to register_operand.
1794 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1795 for memory operands.
1797 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1799 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1801 2008-01-07 Richard Guenther <rguenther@suse.de>
1803 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1806 2008-01-07 Richard Guenther <rguenther@suse.de>
1808 PR tree-optimization/34683
1809 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1810 VOPs of the needed size to save memory. Use VEC_quick_push
1811 to save compile-time.
1812 (vdefs_to_vec): Likewise.
1814 2008-01-07 Sa Liu <saliu@de.ibm.com>
1816 * config/spu/spu.md (divdf3): Genetate inline code for double
1817 division. The implementation doesn't handle INF or NAN, therefore it
1818 only applies when -ffinite-math-only is given.
1820 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1823 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1824 * doc/cpp.texi ([Common Predefined Macros]): Document.
1826 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1828 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1829 order to use commutative addition instead of subtraction.
1831 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1832 Mircea Namolaru <namolaru@il.ibm.com>
1833 Vladimir Yanovsky <yanov@il.ibm.com>
1834 Revital Eres <eres@il.ibm.com>
1836 PR tree-optimization/34263
1837 * tree-outof-ssa.c (process_single_block_loop_latch,
1838 contains_tree_r): New functions.
1839 (analyze_edges_for_bb): Call process_single_block_loop_latch
1840 function to empty single-basic-block latch block if possible.
1842 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1844 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1846 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1848 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1850 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1852 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1854 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1856 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1858 PR tree-optimization/34618
1859 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1862 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1865 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1866 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1867 Update copyright year.
1869 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1870 Update copyright year.
1871 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1874 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1876 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1877 edge does not point to current bb before changing need_assert.
1879 2008-01-04 Richard Guenther <rguenther@suse.de>
1882 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1883 for verifying purposes if they are is_gimple_min_invariant.
1885 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1887 PR tree-optimization/34448
1888 PR tree-optimization/34465
1889 * gimplify.c (gimplify_init_constructor): Add new parameter
1890 notify_temp_creation. Use it.
1891 (gimplify_modify_expr_rhs): Take volatiles into account when
1892 optimizing constructors.
1893 Do not optimize constructors if gimplify_init_constructor will dump to
1895 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1896 * gcc.c-torture/compile/pr34448.c: New.
1898 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1900 PR gcov-profile/34609
1901 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1902 return_slot if result is TREE_ADDRESSABLE.
1904 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1906 * config/mips/mips.md (sqrt_condition): Tweak comment.
1907 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1909 2008-01-03 Tom Tromey <tromey@redhat.com>
1912 * c-common.c (c_type_hash): Handle VLAs.
1914 2008-01-03 Jan Hubicka <jh@suse.cz>
1916 PR tree-optimization/31081
1917 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1918 0 when inlining and not inlining to first basic block.
1919 (remap_decl): When var is initialized to 0, don't set default_def.
1920 (expand_call_inline): Set entry_bb.
1921 * tree-inline.h (copy_body_data): Add entry_bb.
1923 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1926 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1929 PR tree-optimization/29484
1930 * tree-inline.c (inline_forbidden_p_2): New function.
1931 (inline_forbidden_p): Disallow inlining if some static var
1932 has an address of a local LABEL_DECL in its initializer.
1933 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1936 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1938 PR tree-optimization/34635
1939 * tree-data-ref.c (add_other_self_distances): Make sure that the
1940 evolution step is constant.
1942 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1945 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1947 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1949 * tree-sra.c (scalarize_init): Insert the generate_element_init
1950 statements after the generate_element_zero statements.
1952 2008-01-02 Richard Guenther <rguenther@suse.de>
1956 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1957 for very large number of operands instead of ICEing.
1959 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1962 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1963 while stack probing.
1965 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1967 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1970 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1973 * tree-mudflap.c (mx_register_decls): Guard warning by
1974 !DECL_ARTIFICIAL check.
1976 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1978 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1979 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1980 sse5_perm<mode>): Fix constraints.