1 2008-02-17 Richard Guenther <rguenther@suse.de>
4 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5 without default definition.
7 2008-02-17 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/35231
10 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
13 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
17 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
18 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
19 libgcc_cmp_return mode.
21 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
24 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
26 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
28 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
31 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
33 * doc/c-tree.texi: Use `@.' where appropriate.
34 * doc/extend.texi: Likewise.
35 * doc/install.texi: Likewise.
36 * doc/invoke.texi: Likewise.
37 * doc/loop.texi: Likewise.
38 * doc/makefile.texi: Likewise.
39 * doc/md.texi: Likewise.
40 * doc/passes.texi: Likewise.
41 * doc/standards.texi: Likewise.
42 * doc/tm.texi: Likewise.
44 2008-02-15 Jakub Jelinek <jakub@redhat.com>
47 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
49 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
50 rather than in entry_bb.
52 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
54 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
55 libgcc_cmp_return mode.
57 2008-02-15 Jakub Jelinek <jakub@redhat.com>
60 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
61 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
63 2008-02-15 Richard Guenther <rguenther@suse.de>
64 Zdenek Dvorak <ook@ucw.cz>
66 PR tree-optimization/35164
67 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
68 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
69 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
70 Only propagate addresses which do not have abnormal SSA_NAMEs
73 2008-02-15 Joseph Myers <joseph@codesourcery.com>
76 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
78 2008-02-15 Jan Hubicka <jh@suse.cz>
81 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
83 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
86 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
87 when calculating alignment_pad.
89 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
91 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
92 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
93 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
94 and STACK_BOUNDARY define.
96 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
99 * c-pragma.c (handle_pragma_pop_macro): Check that
100 pushed_macro_table has been allocated.
102 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
105 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
106 (force_gimple_operand): Likewise.
107 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
108 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
109 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
110 (find_interesting_uses_address): Check addressability and alignment
111 of the base expression only after substituting bases of IVs into it.
113 2008-02-14 Michael Matz <matz@suse.de>
116 * function.c (instantiate_virtual_regs_in_insn): Reload address
117 before falling back to reloading the whole operand.
119 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
121 * config/s390/s390.c (s390_mainpool_start): Emit the pool
122 before the first section switch note.
124 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
126 * doc/bugreport.texi: Update copyright years.
127 * doc/c-tree.texi: Likewise.
128 * doc/cfg.texi: Likewise.
129 * doc/cpp.texi: Likewise.
130 * doc/cppinternals.texi: Likewise.
131 * doc/fragments.texi: Likewise.
132 * doc/frontends.texi: Likewise.
133 * doc/gcc.texi: Likewise.
134 * doc/gty.texi: Likewise.
135 * doc/hostconfig.texi: Likewise.
136 * doc/implement-c.texi: Likewise.
137 * doc/libgcc.texi: Likewise.
138 * doc/loop.texi: Likewise.
139 * doc/makefile.texi: Likewise.
140 * doc/options.texi: Likewise.
141 * doc/passes.texi: Likewise.
142 * doc/rtl.texi: Likewise.
143 * doc/sourcebuild.texi: Likewise.
144 * doc/standards.texi: Likewise.
145 * doc/tree-ssa.texi: Likewise.
146 * doc/trouble.texi: Likewise.
148 * doc/extend.texi: Use @: or add comma where appropriate.
149 * doc/invoke.texi: Likewise.
150 * doc/tm.texi: Likewise.
152 2008-02-14 Alan Modra <amodra@bigpond.net.au>
155 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
158 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
160 * doc/md.texi (clz, ctz): Add reference.
161 * doc/rtl.texi (clz, ctz): Likewise.
163 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
166 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
169 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
171 * config/s390/s390.c (struct constant_pool): New field
172 emit_pool_after added.
173 (s390_mainpool_start): Set the emit_pool_after flag according
174 to the section switch notes.
175 (s390_mainpool_finish): Consider emit_pool_after when emitting
176 the literal pool at the end of the function.
177 (s390_chunkify_start): Force literal pool splits at section
180 2008-02-13 Michael Matz <matz@suse.de>
183 * var-tracking.c (clobber_variable_part): Correctly traverse the
186 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
189 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
190 Add -fdump-ipa-inline.
191 * tree-dump.c (dump_files): Remove tree-inlined dump.
192 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
194 2008-02-12 Richard Guenther <rguenther@suse.de>
196 PR tree-optimization/35171
197 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
200 2008-02-12 Richard Guenther <rguenther@suse.de>
203 * fold-const.c (fold_widened_comparison): Use get_unwidened in
204 value-preserving mode. Disallow final truncation.
206 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
209 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
211 (force_gimple_operand): ...here.
213 2008-02-12 Jakub Jelinek <jakub@redhat.com>
216 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
217 non-compatible pointers.
218 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
219 different FIELD_DECLs, try harder by comparing field offsets, sizes
223 * function.c (match_asm_constraints_1): Don't replace the same input
226 2008-02-12 Anatoly Sokolov <aesok@post.ru>
228 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
229 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
230 (expand_epilogue): Restore RAMPZ register.
231 * config/avr/avr.md (RAMPZ_ADDR): New constant.
233 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
235 * config/i386/cygwin.asm: (__alloca): Correct calling
236 convention and alignment.
237 (__chkstk): Force 8 byte stack alignment.
239 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
240 Richard Guenther <rguenther@suse.de>
242 PR tree-optimization/33992
243 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
244 the zero we compare against.
246 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
249 * gthr-win32.h (__gthread_mutex_destroy_function): New function
250 to CloseHandle after unlocking to prevent accumulation of handle
253 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
256 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
257 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
258 and update LABEL_NUSES during and after reload.
260 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
263 * combine.c (simplify_if_then_else): Make sure the comparison is
264 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
266 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
269 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
270 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
271 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
272 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
273 * tree.h (get_type_static_bounds): Likewise.
275 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
277 * doc/invoke.texi (Option Summary, C++ Dialect Options)
278 (Objective-C and Objective-C++ Dialect Options, Warning Options):
279 Make -Wfoo language annotations match what the compiler outputs.
281 2008-02-08 Sa Liu <saliu@de.ibm.com>
283 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
284 intrinsics spu_convts, spu_convtu, spu_convtf.
285 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
287 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
289 * doc/extend.texi (Function Attributes) <noinline>: Mention
290 asm ("") as method to keep calls.
292 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
295 * doc/options.texi (Options): Replace references to opts.sh with
297 * opts-common.c: Likewise.
298 * optc-gen.awk: Likewise.
300 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
302 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
304 2008-02-07 Richard Henderson <rth@redhat.com>
307 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
308 EXPR_LIST for the REG_EQUAL instead of a comparison with a
311 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
313 PR tree-optimization/35085
314 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
315 for operand entry oe2 in addition to operand entry oe3 in order to
316 expose more opportunities for vectorizer sum reduction.
318 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
321 * Makefile.in (LIBS): Remove $(GMPLIBS).
322 (cc1-dummy, cc1): Add $(GMPLIBS).
324 2008-02-06 Jan Hubicka <jh@suse.cz>
327 * i386.md (moddf_integer): Do not produce partial memory stalls for
328 targets where it hurts.
330 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
333 * optabs.c (expand_float): Do not check for decimal modes when
334 expanding unsigned integer through signed conversion.
336 2008-02-06 Nick Clifton <nickc@redhat.com>
338 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
339 inside the clobber with a match_operand and duplicated operand
340 number in the constraint.
341 (ineqbranchsi): Delete redundant comment.
343 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
345 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
346 builtin_define ("__USE_INIT_FINI__").
347 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
349 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
351 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
353 PR documentation/30330
354 * doc/invoke.texi (C++ Dialect Options)
355 (Objective-C and Objective-C++ Dialect Options, Warning Options):
356 For each warning option -Wfoo that allows -Wno-foo, ensure both
357 -Wfoo and -Wno-foo are listed in the option index. Fix index
358 entry of -Wswitch-default, index -Wnormalized= including the
359 `=', and -Wlarger-than-@var{len} including @var{len}.
361 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
363 * config/i386/i386.md (floatunssisf2): Use
364 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
365 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
366 Macroize expander using MODEF mode iterator.
368 2008-02-05 Diego Novillo <dnovillo@google.com>
370 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
373 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
375 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
378 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
380 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
383 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
384 to indicate if a message should be generated.
385 (init_cumulative_args): Updated.
386 (function_value_32): Likewise.
388 2008-02-05 Joseph Myers <joseph@codesourcery.com>
390 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
392 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
395 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
396 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
398 2008-02-04 Diego Novillo <dnovillo@google.com>
400 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
403 * tree-vrp.c (vrp_evaluate_conditional): With
404 -Wtype-limits, emit a warning when comparing against a
405 constant outside the natural range of OP0's type.
407 2008-02-04 Richard Guenther <rguenther@suse.de>
410 * expr.c (count_type_elements): Give for unions instead of
413 2008-02-04 Richard Guenther <rguenther@suse.de>
416 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
417 to TYPE_DOMAINs base type instead of using bitsizetype here.
419 2008-02-03 Jason Merrill <jason@redhat.com>
421 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
423 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
426 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
427 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
428 (RS/6000 and PowerPC Options): Fix typos and markup.
429 * doc/passes.texi (Tree-SSA passes): Likewise.
431 2008-02-02 Michael Matz <matz@suse.de>
434 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
435 from record_last_reg_set_info.
436 (record_last_reg_set_info): Take an RTX argument, iterate over all
437 constituent hardregs.
438 (record_last_set_info, record_opr_changes): Change calls to
439 new signature or to record_last_reg_set_info_regno.
441 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
443 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
445 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
447 PR rtl-optimization/34773
448 * reg-notes.def (EQUAL): Mention significance of combination of
449 REG_EQUAL and REG_RETVAL.
450 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
451 insn that has a REG_RETVAL.
453 2008-02-01 Roger Sayle <roger@eyesopen.com>
456 * configure.ac (--enable-fixed-point): Disable unless explicitly
458 * configure: Regenerate.
460 2008-02-01 Richard Guenther <rguenther@suse.de>
463 * invoke.texi (-finline-limit): Remove no longer true parts
464 of the documentation. Note that there is no default value.
466 2008-02-01 Andrew Pinski <pinskia@gmail.com>
467 Mark Mitchell <mark@codesourcery.com>
468 Ben Elliston <bje@au.ibm.com>
471 * doc/extend.texi (Other Builtins): Document.
473 2008-01-31 Tom Browder <tom.browder@gmail.com>
475 * doc/c-tree.texi (Types): Fix grammar.
476 (Expression trees): Ditto.
477 * doc/passes.texi (Tree-SSA passes): Ditto.
479 * doc/configterms.texi (Configure Terms): Fix typo.
480 * doc/cpp.texi (Common Predefined Macros): Ditto.
481 * doc/md.texi (Machine Constraints): Ditto.
483 * doc/makefile.texi (Makefile): Add comma.
485 2008-01-31 Tom Browder <tom.browder@gmail.com>
486 Gerald Pfeifer <gerald@pfeifer.com>
488 * doc/sourcebuild.texi (Front End): Remove references to CVS
490 (Texinfo Manuals): Replace reference to CVS by one to SVN.
491 (Back End): Remove reference to CVS.
493 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
496 * config/mips/mips.c (gen_load_const_gp): New function, taking a
498 (mips16_gp_pseudo_reg): ...here.
499 * config/mips/mips.md (load_const_gp): Replace with...
500 (load_const_gp_<mode>): ...this :P-based insn.
502 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
504 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
505 options. Minor fixes.
506 (-std): Move reference to standards closer to where language
507 standards are first mentioned.
509 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
511 PR rtl-optimization/34995
512 * reload.c (alternative_allows_const_pool_ref): Take an rtx
513 parameter and return a bool. If the rtx parameter is nonnull,
514 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
515 (find_reloads): Update call accordingly. Pass the new operand
516 if it needed no address reloads, otherwise pass null.
518 2008-01-30 Richard Henderson <rth@redhat.com>
521 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
522 for unbounded arrays.
524 2008-01-30 Silvius Rus <rus@google.com>
526 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
528 2008-01-30 Jan Hubicka <jh@suse.cz>
531 * i386.c (init_cumulative_args): Use real function declaration when
534 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
536 PR rtl-optimization/34998
537 * global.c (build_insn_chain): Treat non-subreg_lowpart
538 SUBREGs of pseudos as clobbering all the words covered by the
539 SUBREG, not just all the bytes.
540 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
541 original df_ref rather than an extract parameter.
542 (global_conflicts): Update call accordingly.
544 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
546 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
547 the overflow check to make it easier to read.
548 (__fixtfdi): Change the type of the ll member in union
549 long_double to UDItype_x.
551 2008-01-30 Jakub Jelinek <jakub@redhat.com>
554 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
555 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
556 * tree-inline.c (fold_marked_statements): Call
557 cgraph_update_edges_for_call_stmt if folding a call statement.
558 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
559 debug_generic_stmt calls, reset it back afterwards.
562 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
564 * c-typeck.c (build_external_ref): Don't pedwarn about
565 static vars in current function's scope.
567 2008-01-29 Joseph Myers <joseph@codesourcery.com>
569 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
571 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
574 * ipa-struct-reorg.c: Fix spelling.
577 2008-01-29 Richard Guenther <rguenther@suse.de>
580 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
582 * tree-inline.c (remap_type): Increment remapping_type_depth
583 around remapping types.
584 (copy_body_r): Only add referenced variables if they are referenced
585 from code, not types.
587 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
598 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
599 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
601 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
604 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
605 pointer for tiny stack.
607 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
609 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
611 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
613 * config/vx-common.h: Fix typo in comment.
615 2008-01-28 Ian Lance Taylor <iant@google.com>
619 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
620 coalesce pointers if they have different DECL_NO_TBAA_P values.
621 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
622 between variables with different DECL_NO_TBAA_P values.
624 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
627 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
628 are not legitimate small data references on SPE targets.
630 2008-01-28 David Daney <ddaney@avtrex.com>
632 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
634 2008-01-28 David Daney <ddaney@avtrex.com>
636 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
638 2008-01-27 Joseph Myers <joseph@codesourcery.com>
640 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
641 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
642 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
643 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
644 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
645 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
646 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
647 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
649 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
651 * basic-block.h (condjump_equiv_p): Fix comment.
653 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
655 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
656 print_generic_stmt_indented): Fix comment.
658 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
660 * configure.ac (__stack_chk_fail): Add detecion for availability
661 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
662 * configure: Regenerate.
664 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
667 * final.c (output_addr_const): Handle TRUNCATE.
669 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
672 * tree-ssa-loop-ivopts.c (comp_cost): New type.
673 (zero_cost, infinite_cost): New constants.
674 (struct cost_pair): Change type of cost to comp_cost.
675 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
676 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
678 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
679 split_address_cost, ptr_difference_cost, difference_cost,
680 get_computation_cost_at, get_computation_cost,
681 determine_use_iv_cost_generic, determine_use_iv_cost_address,
682 determine_use_iv_cost_condition, determine_use_iv_costs,
683 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
684 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
685 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
686 Change type of cost to comp_cost.
687 (determine_iv_cost): Increase cost of non-original ivs, instead
688 of decreasing the cost of original ones.
689 (get_address_cost): Indicate the complexity of the addressing mode
691 (try_add_cand_for): Prefer using ivs not specific to some object.
692 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
694 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
695 Janis Johnson <janis187@us.ibm.com>
698 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
699 (TARGET_INSTANTIATE_DECLS): Likewise.
700 * target.h (expand_to_rtl_hook): New target hook.
701 (instantiate_decls): Likewise.
702 * function.c (instantiate_decl): Make non-static. Rename to...
703 (instantiate_decl_rtl): ... this.
704 (instantiate_expr): Use instantiate_decl_rtl.
705 (instantiate_decls_1): Likewise.
706 (instantiate_decls): Likewise.
707 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
708 * function.h (instantiate_decl_rtl): Add prototype.
709 * cfgexpand.c (target.h): New include.
710 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
711 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
712 (TARGET_INSTANTIATE_DECLS): Likewise.
713 (TARGET_INITIALIZER): New target hooks added.
714 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
716 * config/rs6000/rs6000.c (tree-flow.h): New include.
717 (machine_function): Add sdmode_stack_slot field.
718 (rs6000_alloc_sdmode_stack_slot): New function.
719 (rs6000_instantiate_decls): Likewise.
720 (rs6000_secondary_memory_needed_rtx): Likewise.
721 (rs6000_check_sdmode): Likewise.
722 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
723 (TARGET_INSTANTIATE_DECLS): Likewise.
724 (rs6000_hard_regno_mode_ok): Allow SDmode.
725 (num_insns_constant): Likewise. Handle _Decimal32 constants.
726 (rs6000_emit_move): Handle SDmode.
727 (function_arg_advance): Likewise.
728 (function_arg): Likewise.
729 (rs6000_gimplify_va_arg): Likewise. Add special handling of
730 SDmode var args for 32-bit compiles.
731 (rs6000_secondary_reload_class): Handle SDmode.
732 (rs6000_output_function_epilogue): Likewise.
733 (rs6000_function_value): Simplify if statement.
734 (rs6000_libcall_value): Likewise.
735 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
736 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
737 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
738 (movsd_hardfloat): New define_insn.
739 (movsd_softfloat): Likewise.
740 (movsd_store): Likewise.
741 (movsd_load): Likewise.
742 (extendsddd2): Likewise.
743 (extendsdtd2): Likewise.
744 (truncddsd2): Likewise.
745 (movdd_hardfloat64): Fixup comment.
746 (UNSPEC_MOVSD_LOAD): New constant.
747 (UNSPEC_MOVSD_STORE): Likewise.
749 2008-01-26 Jakub Jelinek <jakub@redhat.com>
752 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
754 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
755 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
756 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
759 2008-01-26 David Edelsohn <edelsohn@gnu.org>
762 * config.gcc: Separate AIX 5.3 from AIX 6.1.
763 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
765 * config/rs6000/aix61.h: New file.
767 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
769 PR rtl-optimization/34959
770 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
771 popcount and parity rtxes the same mode as their operand.
772 Truncate or extend the result to the return value's mode
775 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
778 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
779 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
780 to GOT_VERSION_REGNUM.
781 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
782 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
783 * config/mips/mips.c (mips_emit_call_insn): New function.
784 (mips_call_tls_get_addr): Call mips_expand_call directly.
785 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
787 (mips16_build_call_stub): Likewise. Return the call insn or null.
788 (mips_expand_call): Update the call to mips16_build_call_stub
789 accordingly and a remove redundant condition. Assert that MIPS16
790 stubs do not use lazy binding. Use mips_emit_call_insn and return
792 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
794 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
795 (mips_avoid_hazard): Remove hazard_set handling.
796 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
797 (UNSPEC_RESTORE_GP): ...this.
798 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
799 (FAKE_CALL_REGNO): Rename to...
800 (GOT_VERSION_REGNUM): ...this.
801 (type): Add "ghost" value. Add an associated insn reservation.
802 (hazard_set): Remove.
803 (exception_receiver): Rename to...
804 (restore_gp): ...this and update the unspec identifier accordingly.
805 (exception_receiver, nonlocal_got_receiver): New expanders.
806 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
807 FAKE_CALL_REGNO. Remove hazard_set attribute.
808 (set_got_version, update_got_version): New patterns.
810 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
813 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
815 2008-01-25 Joseph Myers <joseph@codesourcery.com>
818 * doc/install.texi2html: Generate gcc-vers.texi.
820 2008-01-25 DJ Delorie <dj@redhat.com>
822 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
824 2008-01-25 Joseph Myers <joseph@codesourcery.com>
826 * config/c4x: Remove directory.
827 * config.gcc (crx-*, mt-*): Mark obsolete.
828 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
829 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
830 sh-*-rtemscoff*): Remove cases.
831 * defaults.h (C4X_FLOAT_FORMAT): Remove.
832 * real.c (encode_c4x_single, decode_c4x_single,
833 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
834 c4x_extended_format): Remove.
835 * real.h (c4x_single_format, c4x_extended_format): Remove.
836 * doc/extend.texi (interrupt, naked): Remove mention of attributes
838 (Pragmas): Remove comment about c4x pragmas.
839 * doc/install.texi (c4x): Remove target-specific instructions.
840 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
841 * doc/md.texi (Machine Constraints): Remove C4x documentation.
842 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
843 refer to C4x source files as examples.
844 (C4X_FLOAT_FORMAT): Remove documentation.
846 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
848 * config/bfin/bfin.c (override_options): Reorder tests so that
849 flag_pic gets enabled for -msep-data.
851 2008-01-25 Richard Guenther <rguenther@suse.de>
854 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
855 to its bitfield precision if required.
857 2008-01-25 Jakub Jelinek <jakub@redhat.com>
860 * tree-nested.c (walk_omp_for): New function.
861 (convert_nonlocal_reference, convert_local_reference): Call
862 walk_omp_for on OMP_FOR.
863 (convert_call_expr): Call walk_body on OMP_FOR's
864 OMP_FOR_PRE_INIT_BODY.
866 2008-01-25 Richard Guenther <rguenther@suse.de>
868 PR tree-optimization/34966
869 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
870 default defs and PHI_NODEs we have to insert after the
873 2008-01-24 Nick Clifton <nickc@redhat.com>
875 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
876 Provide a default definition.
877 (LIBGCC2_UNITS_PER_WORD): Likewise.
879 * config/stormy16/stormy16.c: Include df.h for the prototype
880 for df_regs_ever_live_p.
881 (xstormy16_expand_builtin_va_start): Convert the stack offset
882 into a component_ref and then use POINTER_PLUS_EXPR to add it
883 to the incoming_virtual_args_rtx.
884 (xstormy16_gimplify_va_arg_expr): Rename to
885 xstormy16_gimplify_va_arg_expr.
886 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
887 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
888 xstormy16_gimplify_va_arg_expr.
889 Fix up some formatting issues.
891 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
892 Move to predicates.md.
893 (xs_hi_general_operand): Likewise.
894 (xs_hi_nonmemory_operand): Likewise.
895 * config/stormy16/predicates.md:
896 (xstormy16_carry_plus_operand): New predicate.
897 (xs_hi_general_operand): New predicate.
898 (xs_hi_nonmemory_operand): New predicate.
899 * config/stormy16/stormy16-protos.h:
900 (xstormy16_carry_plus_operand): Delete prototype.
901 (xs_hi_general_operand): Likewise.
902 (xs_hi_nonmemory_operand): Likewise.
904 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
905 modifiers as they are no longer needed and they can trigger
906 reload spill failures.
908 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
909 with a match_operand in order to help reload.
911 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
912 constraint with 'e' for the 8th alternative as this version of
913 the mov.w instruction only accepts the lower 8 registers.
915 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
918 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
919 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
922 2008-01-25 Jakub Jelinek <jakub@redhat.com>
925 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
927 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
929 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
931 (remove_structure): Update allocations list before removing structure.
933 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
935 * ipa-struct-reorg.c (is_safe_cond_expr,
936 create_new_stmts_for_cond_expr): Use integer_zerop function,
937 that recognize not only zero-pointer, but zero-integer too.
939 2008-01-25 Ben Elliston <bje@au.ibm.com>
942 * fixproto: Escape "." in sed expression that strips leading "./".
944 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
947 * gcc.c (SWITCH_OK): Removed.
948 (SWITCH_LIVE): Changed to bit.
949 (SWITCH_FALSE): Likewise.
950 (SWITCH_IGNORE): Likewise.
951 (switchstr): Change live_cond to unsigned int.
952 (process_command): Replace SWITCH_OK with 0.
953 (do_self_spec): Likewise.
954 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
955 (give_switch): Likewise.
956 (used_arg): Likewise.
957 (do_spec_1): Set the SWITCH_IGNORE bit.
958 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
959 bits. Set the SWITCH_LIVE bit.
961 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
963 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
965 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
967 PR tree-optimization/34472
968 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
969 parameter to a "bool *" and set *DATA to false if there is
970 an unsafe access. Do not delete the structure here.
971 (check_cond_exprs): Delete it here instead.
972 (check_cond_exprs, exclude_cold_structs): Do not increase
973 I when removing a structure.
975 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
978 * config/i386/i386.c (ix86_expand_vector_init): Consider only
979 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
981 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
984 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
985 a fixed vector for stack.
987 2008-01-24 Ben Elliston <bje@au.ibm.com>
990 * doc/gcc.texi (Software development): Add a direntry for g++.
992 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
994 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
995 stale and straggling -fforce-addr comments above.
997 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
999 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1000 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1002 2008-01-23 Michael Matz <matz@suse.de>
1005 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1008 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1010 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1013 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1015 * config/avr/avr.c (avr_current_arch): New variable.
1016 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1017 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1018 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1019 (avr_override_options): Init 'avr_current_arch'.
1020 (base_arch_s): Move from here...
1021 * config/avr/avr.h (base_arch_s): ... here. Add new members
1022 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1023 'mega' to 'have_jmp_call'.
1024 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1025 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1027 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1029 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1030 MULTILIB_MATCHES): (Ditto.).
1032 2008-01-23 Richard Guenther <rguenther@suse.de>
1035 * cgraphunit.c (cgraph_reset_node): Always mark the node
1036 not reachable if it is not queued already.
1038 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1040 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1041 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1042 (cputype_selected): New static variable.
1043 (bfin_handle_option): Set it if -mcpu is used.
1044 (override_option): Select default set of workarounds if no cpu type
1045 selected on the command line.
1046 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1048 From Michael Frysinger <michael.frysinger@analog.com>
1049 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1050 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1052 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1053 for bf547, bf523, bf524, and bf526.
1054 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1056 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1057 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1058 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1059 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1060 * doc/invoke.texi (Blackfin Options): Document that
1061 -mcpu now accept bf547, bf523, bf524, and bf526.
1063 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1065 PR rtl-optimization/34628
1066 * combine.c (try_combine): Stop and undo after the first combination
1067 if an autoincrement side-effect on the first insn has effectively
1070 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1073 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1074 Offset addresses are not valid for Altivec or paired float modes.
1076 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1079 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1080 if DECL_INITIAL (decl) is error_mark_node.
1083 * c-common.c (handle_vector_size_attribute): Only allow
1084 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1085 the same way as pointer, array etc. types.
1086 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1089 * tree.c (build_type_attribute_qual_variant): Call
1090 build_qualified_type if attributes are equal, but quals are not.
1092 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1095 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1096 * flags.h (warn_strict_aliasing): Remove.
1097 (warn_strict_overflow): Remove.
1098 * opts.c (warn_strict_aliasing): Remove.
1099 (warn_strict_overflow): Remove.
1100 * c-opts.c (c_common_handle_option): -Wall only sets
1101 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1102 (c_common_post_options): Give default values to -Wstrict-aliasing
1103 and -Wstrict-overflow if they are uninitialized.
1104 * common.opt (Wstrict-aliasing): Specify Var and Init.
1105 (Wstrict-overflow): Likewise.
1107 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1109 PR rtl-optimization/26854
1110 PR rtl-optimization/34400
1111 PR rtl-optimization/34884
1112 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1114 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1115 (df_rd_bb_info.expanded_lr_out): Deleted
1116 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1117 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1118 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1119 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1120 Removed code to allocate, initialize or free expanded_lr_out.
1121 (df_rd_bb_local_compute_process_def): Restructured to make more
1123 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1124 sets if the sets are being trimmed.
1126 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1129 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1130 (as_vers): Likewise.
1131 * configure: Regenerated.
1133 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1136 * tree-pass.h (pass_build_alias): New pass.
1137 * tree-ssa-alias.c (gate_build_alias): New.
1138 (pass_build_alias): New.
1139 * passes.c (init_optimization_passes): Add pass_build_alias after
1140 pass_create_structure_vars.
1142 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1144 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1145 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1146 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1147 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1148 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1149 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1150 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1151 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1152 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1153 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1154 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1155 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1156 * config/s390/s390.md (FP_ALL): New mode iterator.
1157 (_d): New mode attribute.
1158 ("*signbit<mode>2>"): Changed mode of first operand.
1159 ("isinf<mode>2"): Changed mode of first operand.
1160 ("*TDC_insn"): Adaptation for DFP modes.
1162 2008-01-22 Ben Elliston <bje@au.ibm.com>
1164 * tree.c (check_qualified_type): Improve function description.
1166 2008-01-21 Jason Merrill <jason@redhat.com>
1169 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1170 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1173 2008-01-21 DJ Delorie <dj@redhat.com>
1175 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1178 2008-01-21 Richard Guenther <rguenther@suse.de>
1181 * tree-cfg.c (verify_expr): Allow all invariant expressions
1182 instead of just constant class ones as reference argument.
1183 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1184 like any other constant.
1185 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1187 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1189 * regmove.c (fixup_match_1): Update call crossed frequencies.
1191 2008-01-21 Richard Guenther <rguenther@suse.de>
1194 * tree-inline.c (setup_one_parameter): Deal with mismatched
1195 types using a VIEW_CONVERT_EXPR.
1197 2008-01-21 Alon Dayan <alond@il.ibm.com>
1198 Olga Golovanevsky <olga@il.ibm.com>
1200 PR tree-optimization/34701
1201 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1202 when the structure size is not a power of 2.
1204 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1206 * doc/install.texi: Add doc for --enable-checking=df.
1208 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1210 PR rtl-optimization/34808
1211 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1213 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1215 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1218 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1220 PR rtl-optimization/26854
1221 PR rtl-optimization/34400
1222 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1224 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1225 (df_rd_bb_info.expanded_lr_out): New.
1226 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1227 * loop_iv.c (iv_analysis_loop_init): Ditto.
1228 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1229 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1230 Added code to allocate, initialize or free expanded_lr_out.
1231 (df_rd_bb_local_compute_process_def): Restructured to make
1232 more understandable.
1233 (df_rd_confluence_n): Add code to do nothing with fake edges and
1234 code to no apply invalidate_by_call sets if the sets are being trimmed.
1235 (df_lr_local_finalize): Renamed to df_lr_finalize.
1236 (df_live_local_finalize): Renamed to df_live_finalize.
1238 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1241 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1242 deciding whether to use reciprocal instructions.
1244 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1246 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1247 dwarf2out_note_section_used if cold_text_section is NULL.
1249 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1251 PR gcov-profile/34610
1252 * tree-cfg.c (make_edges): Mark both outgoing edges from
1253 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1254 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1255 from OMP_FOR and OMP_CONTINUE outgoing edges.
1257 * tree-profile.c (tree_profiling): Return early if
1258 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1260 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1261 from cfun to child_cfun.
1262 * function.h (struct function): Add after_tree_profile bit.
1264 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1266 * config/avr/avr.S (_exit): Disable interrupt.
1268 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1269 Steven Bosscher <stevenb.gcc@gmail.com>
1271 PR rtl-optimization/26854
1272 PR rtl-optimization/34400
1273 * df-problems.c (df_live_scratch): New scratch bitmap.
1274 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1275 (df_live_reset): Clear the proper bitmaps.
1276 (df_live_bb_local_compute): Only process the artificial defs once
1277 since the order is not important.
1278 (df_live_init): Init the df_live sets only with the variables
1279 found live by df_lr.
1280 (df_live_transfer_function): Use the df_lr sets to prune the
1281 df_live sets as they are being computed.
1282 (df_live_free): Free df_live_scratch.
1284 2008-01-18 Ian Lance Taylor <iant@google.com>
1286 * common.opt: Add fmerge-debug-strings.
1287 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1288 flag_merge_debug_strings rather than flag_merge_constants.
1289 * doc/invoke.texi (Option Summary): Mention
1290 -fmerge-debug-strings.
1291 (Debugging Options): Document -fmerge-debug-strings.
1293 2008-01-18 Ian Lance Taylor <iant@google.com>
1296 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1297 (struct tree_function_decl): Add new field operator_new_flag.
1298 * tree-inline.c (expand_call_inline): When inlining a call to
1299 operator new, force the return value to go into a variable, and
1300 set DECL_NO_TBAA_P on that variable.
1301 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1303 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1306 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1307 DWARF2_DEBUGGING_INFO.
1308 (dwarf2out_note_section_used): Ditto. Add prototype.
1309 (have_multiple_function_sections, text_section_used,
1310 cold_text_section_used, *cold_text_sections): Move declarations
1313 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1315 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1316 field and add signal_ra.
1317 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1318 assignments to frame state pc. Move end of stack check after
1319 MD_FALLBACK_FRAME_STATE_FOR.
1320 (uw_update_context_1): Use frame state signal_regs if set, instead
1321 of checking signal_frame flag.
1322 (uw_update_context): Use frame state signal_ra if set.
1323 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1324 * config/xtensa/linux-unwind.h: New file.
1326 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1328 * modulo-sched.c (get_sched_window): Fix comment typo.
1330 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1332 PR tree-optimization/34648
1333 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1335 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1337 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1338 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1340 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1342 PR rtl-optimization/34400
1343 * df-core.c (df_worklist_dataflow_overeager,
1344 df_worklist_dataflow_doublequeue): New functions.
1345 (df_worklist_dataflow): Two different worklist solvers.
1346 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1349 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1352 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1353 and ftree-parallelize-loops.
1355 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1357 PR rtl-optimization/34826
1358 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1360 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1362 * global.c (find_reg): Mark the eh regs as used if necessary.
1363 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1364 * ra.h (struct allocno): no_eh_reg field added. Changed
1365 no_stack_reg type to bitfield.
1367 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1369 * tree.c (substitute_in_expr): Add missing 'break'.
1371 2008-01-17 Richard Guenther <rguenther@suse.de>
1373 PR tree-optimization/34825
1374 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1375 x / x as division to handle.
1377 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1379 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1380 "-pthread" is specified.
1381 * pa-hpux11.h (LIB_SPEC): Likewise.
1383 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1384 Peter Bergner <bergner@vnet.ibm.com>
1386 PR rtl-optimization/33796
1387 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1389 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1391 PR libgfortran/34699
1392 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1394 * pa-hpux10.h (LINK_SPEC): Likewise.
1395 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1397 2008-01-16 Richard Guenther <rguenther@suse.de>
1400 * fold-const.c (fold_convert_const_int_from_int): Do not
1401 set overflow if that occured only because of a sign extension
1402 change when converting from/to a sizetype with the same
1403 precision and signedness.
1405 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1408 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1409 location address to the correct place. Update copyright year.
1411 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1413 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1414 no dependences in the dependence_relations vector.
1416 2008-01-16 Jan Hubicka <jh@suse.cz>
1418 PR rtl-optimization/31396
1419 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1420 * cfg.c (dump_reg_info): Print it.
1421 * regs.h (struct reg_info_t): add freq_calls_crossed.
1422 (REG_FREQ_CALLS_CROSSED): New macro.
1423 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1424 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1425 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1426 regmove_optimize): Update call crossed frequencies.
1427 * local-alloc.c (struct qty): Add freq_calls_crossed.
1428 (alloc_qty): Copute freq_calls_crossed.
1429 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1430 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1431 * ra.h (struct allocno): Add freq_calls_crossed.
1433 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1435 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1436 libgomp when compiling with ftree-parallelize-loops.
1437 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1439 2008-01-16 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/34769
1442 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1443 * tree.c (int_cst_value): Instead make this function more
1444 permissive in what it accepts as valid input. Document this
1445 function always sign-extends the value.
1447 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1448 Richard Guenther <rguenther@suse.de>
1451 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1452 (gimple_fold_indirect_ref_rhs): ... this.
1453 (gimple_fold_indirect_ref): New function with foldings
1454 that preserve lvalueness.
1455 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1456 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1457 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1458 to fold an INDIRECT_REF, fall back to the old use of
1459 fold_indirect_ref_1.
1461 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1463 * tree-data-ref.c (subscript_dependence_tester_1): Call
1464 free_conflict_function.
1465 (compute_self_dependence): Same.
1467 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1470 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1471 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1473 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1474 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1475 for DWARF2_UNWIND_INFO targets.
1477 2008-01-16 Richard Guenther <rguenther@suse.de>
1480 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1481 type qualifiers for function types.
1483 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1485 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1486 loop_iterator li from previous commit.
1488 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1490 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1492 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1494 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1495 (parallelize_loops): Don't parallelize irreducible components.
1497 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1500 * c-opts (c_common_post_options): Do not enable CPP
1501 flag_pedantic_errors by default.
1503 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1505 PR rtl-optimization/31944
1506 * cse.c (remove_pseudo_from_table): New function.
1507 (merge_equiv_classes): Use above function to remove pseudo-registers.
1508 (invalidate): Likewise.
1510 2008-01-13 Richard Guenther <rguenther@suse.de>
1513 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1514 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1516 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1518 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1519 validate_change to unshare the source of the PC set.
1521 2008-01-12 Jan Hubicka <jh@suse.cz>
1524 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1525 references above array bounds. This might trigger bounds checks for
1528 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1530 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1531 new_replaceable_dependencies.
1533 2008-01-12 Doug Kwan <dougkwan@google.com>
1535 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1536 instead of OPT_Wreturn_type in warning due to ignored return type
1538 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1539 options included in -Wextra.
1540 * c.opt: New option -Wignored_qualifiers.
1541 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1542 -Wignore_qualifiers.
1543 (-Wignored-qualifiers): Document.
1544 (-Wreturn-type): Remove description of functionality now handled
1545 by -Wignored-qualifiers.
1547 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1550 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1551 NOP_EXPR if it is between integral types with the same precision.
1553 2008-01-12 Jan Hubicka <jh@suse.cz>
1556 * invoke.texi (max-inline-recursive-depth): Fix default value.
1558 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1560 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1563 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1565 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1567 2008-01-11 James E. Wilson <wilson@specifix.com>
1570 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1572 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1574 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1575 save/restore frame pointer register and don't use 'call-prologues'
1576 optimization in function with "OS_task" attribute.
1578 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1581 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1582 when copying to memory.
1584 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1586 PR rtl-optimization/30905
1587 * cfgcleanup.c: Include dce.h
1588 (crossjumps_occured): New global variable.
1589 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1590 If something changed, set crossjumps_occured to true.
1591 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1592 Don't add/remove fake edges to exit here...
1593 (cleanup_cfg): ...but do it here, when crossjumping.
1594 Run a fast DCE when successful crossjumps occured in the latest
1595 iteration of try_optimize_cfg.
1597 2008-01-11 Richard Guenther <rguenther@suse.de>
1599 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1600 (struct vn_unary_op_s): Likewise.
1601 (vn_reference_insert): Free old reference on hash collision.
1603 2008-01-10 Raksit Ashok <raksit@google.com>
1605 PR rtl-optimization/27971
1606 * combine.c (find_split_point): Split PLUS expressions which are
1607 inside a MEM rtx, and whose first operand is complex.
1609 2008-01-10 DJ Delorie <dj@redhat.com>
1611 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1612 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1613 (m32c_hard_regno_ok): Call the underlying function.
1615 2008-01-10 Richard Guenther <rguenther@suse.de>
1618 * tree-cfg.c (tree_merge_blocks): Do not go through the
1619 full-blown folding and stmt updating path if we just deal
1620 with virtual operands.
1621 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1622 test for abnormal SSA_NAMEs.
1624 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1627 * reload.c (push_reload): Add assertions. All constants from
1628 reg_equiv_constant should have been used for replacing the respective
1630 (find_reloads_address): Invoke find_reloads_address_part for
1631 constant taken from the reg_equiv_constant array.
1633 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1635 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1636 field (valnum) the first in the struct. Replace bools with
1639 2008-01-10 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/34651
1642 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1643 types and ordering for masking and converting.
1645 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1647 PR tree-optimization/34017
1648 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1649 also for PHI_NODE expressions.
1651 2008-01-09 Jan Hubicka <jh@suse.cz>
1653 PR tree-optimization/34708
1654 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1655 based on number of case labels.
1656 (init_inline_once): Remove switch_cost.
1657 * tree-inline.h (eni_weights_d): Remove switch_cost.
1659 2008-01-09 Richard Guenther <rguenther@suse.de>
1660 Andrew Pinski <andrew_pinski@playstation.sony.com>
1663 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1664 temporary if an rvalue is ok or an lvalue is not required.
1666 2008-01-09 Richard Guenther <rguenther@suse.de>
1669 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1672 2008-01-09 Richard Guenther <rguenther@suse.de>
1675 * tree.c (host_integerp): Check for sizetype only if the
1676 type is an integer type.
1678 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1681 * opts.c (decode_options): Disable inlining of functions called
1682 once if not in unit-at-a-time mode.
1684 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1686 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1688 2008-01-08 Richard Guenther <rguenther@suse.de>
1691 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1692 out early if the result will be unused.
1694 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1699 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1700 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1703 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1705 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1706 for vectorization tuned.
1708 2008-01-08 Richard Guenther <rguenther@suse.de>
1710 PR tree-optimization/34683
1711 * tree-ssa-operands.c (operand_build_cmp): Export.
1712 * tree-ssa-operands.h (operand_build_cmp): Declare.
1713 * tree-vn.c (vuses_compare): Remove.
1714 (sort_vuses): Use operand_build_cmp.
1715 (sort_vuses_heap): Likewise.
1716 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1717 to re-use old VEC if available. Do not sort already sorted VUSEs.
1718 (vdefs_to_vec): Do not sort already sorted VDEFs.
1720 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1723 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1725 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1728 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1729 limitations of reciprocal sequences on x86 targets.
1731 2008-01-08 Richard Guenther <rguenther@suse.de>
1733 PR tree-optimization/34683
1734 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1736 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1739 * config/darwin.c (darwin_mergeable_string_section): Don't use
1740 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1742 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1745 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1746 negxf2. Macroize expander using X87MODEF mode iterator. Change
1747 predicates of op0 and op1 to register_operand.
1748 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1749 expander using X87MODEF mode iterator. Change predicates of
1750 op0 and op1 to register_operand.
1751 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1752 corresponding patterns and macroize using MODEF macro. Change
1753 predicates of op0 and op1 to register_operand and remove
1754 "m" constraint. Disparage "r" alternative with "!".
1755 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1756 macroize using X87MODEF macro. Change predicates of op0 and op1
1757 to register_operand and remove "m" constraint. Disparage "r"
1758 alternative with "!".
1759 (absneg splitter with memory operands): Remove.
1760 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1761 patterns and macroize using X87MODEF mode iterator.
1762 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1763 Change predicate of op1 to register_operand.
1764 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1765 for memory operands.
1767 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1769 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1771 2008-01-07 Richard Guenther <rguenther@suse.de>
1773 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1776 2008-01-07 Richard Guenther <rguenther@suse.de>
1778 PR tree-optimization/34683
1779 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1780 VOPs of the needed size to save memory. Use VEC_quick_push
1781 to save compile-time.
1782 (vdefs_to_vec): Likewise.
1784 2008-01-07 Sa Liu <saliu@de.ibm.com>
1786 * config/spu/spu.md (divdf3): Genetate inline code for double
1787 division. The implementation doesn't handle INF or NAN, therefore it
1788 only applies when -ffinite-math-only is given.
1790 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1793 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1794 * doc/cpp.texi ([Common Predefined Macros]): Document.
1796 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1798 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1799 order to use commutative addition instead of subtraction.
1801 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1802 Mircea Namolaru <namolaru@il.ibm.com>
1803 Vladimir Yanovsky <yanov@il.ibm.com>
1804 Revital Eres <eres@il.ibm.com>
1806 PR tree-optimization/34263
1807 * tree-outof-ssa.c (process_single_block_loop_latch,
1808 contains_tree_r): New functions.
1809 (analyze_edges_for_bb): Call process_single_block_loop_latch
1810 function to empty single-basic-block latch block if possible.
1812 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1814 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1816 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1818 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1820 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1822 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1824 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1826 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1828 PR tree-optimization/34618
1829 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1832 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1835 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1836 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1837 Update copyright year.
1839 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1840 Update copyright year.
1841 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1844 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1846 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1847 edge does not point to current bb before changing need_assert.
1849 2008-01-04 Richard Guenther <rguenther@suse.de>
1852 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1853 for verifying purposes if they are is_gimple_min_invariant.
1855 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1857 PR tree-optimization/34448
1858 PR tree-optimization/34465
1859 * gimplify.c (gimplify_init_constructor): Add new parameter
1860 notify_temp_creation. Use it.
1861 (gimplify_modify_expr_rhs): Take volatiles into account when
1862 optimizing constructors.
1863 Do not optimize constructors if gimplify_init_constructor will dump to
1865 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1866 * gcc.c-torture/compile/pr34448.c: New.
1868 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1870 PR gcov-profile/34609
1871 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1872 return_slot if result is TREE_ADDRESSABLE.
1874 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1876 * config/mips/mips.md (sqrt_condition): Tweak comment.
1877 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1879 2008-01-03 Tom Tromey <tromey@redhat.com>
1882 * c-common.c (c_type_hash): Handle VLAs.
1884 2008-01-03 Jan Hubicka <jh@suse.cz>
1886 PR tree-optimization/31081
1887 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1888 0 when inlining and not inlining to first basic block.
1889 (remap_decl): When var is initialized to 0, don't set default_def.
1890 (expand_call_inline): Set entry_bb.
1891 * tree-inline.h (copy_body_data): Add entry_bb.
1893 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1896 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1899 PR tree-optimization/29484
1900 * tree-inline.c (inline_forbidden_p_2): New function.
1901 (inline_forbidden_p): Disallow inlining if some static var
1902 has an address of a local LABEL_DECL in its initializer.
1903 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1906 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1908 PR tree-optimization/34635
1909 * tree-data-ref.c (add_other_self_distances): Make sure that the
1910 evolution step is constant.
1912 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1915 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1917 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1919 * tree-sra.c (scalarize_init): Insert the generate_element_init
1920 statements after the generate_element_zero statements.
1922 2008-01-02 Richard Guenther <rguenther@suse.de>
1926 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1927 for very large number of operands instead of ICEing.
1929 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1932 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1933 while stack probing.
1935 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1937 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1940 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1943 * tree-mudflap.c (mx_register_decls): Guard warning by
1944 !DECL_ARTIFICIAL check.
1946 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1948 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1949 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1950 sse5_perm<mode>): Fix constraints.