1 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
3 Support valgrind 3.3 for --enable-checking=valgrind.
4 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
6 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
7 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
9 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
10 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
11 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
12 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
14 * ggc-zone.c: Similar.
15 * ggc-page.c: Similar.
17 2008-02-19 Paul Brook <paul@codesourcery.com>
20 * config/arm/ieee754-df.S: Fix do_it typo.
21 * config/arm/ieee754-sf.S: Fix do_it typo.
23 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
26 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
27 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
28 (OPTION_MASK_ISA_SSE_SET): Likewise.
29 (OPTION_MASK_ISA_SSE2_SET): Likewise.
30 (OPTION_MASK_ISA_SSE3_SET): Likewise.
31 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
32 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
33 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
34 (OPTION_MASK_ISA_SSE4_SET): Likewise.
35 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
36 (OPTION_MASK_ISA_SSE5_SET): Likewise.
37 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
38 (OPTION_MASK_ISA_MMX_UNSET): Updated.
39 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
40 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
41 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
42 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
43 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
44 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
45 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
46 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
47 (OPTION_MASK_ISA_SSE4): Removed.
48 (ix86_handle_option): Turn on bits in ix86_isa_flags and
49 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
51 (override_options): Don't turn on implied SSE/MMX bits in
54 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
56 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
59 2008-02-18 Joey Ye <joey.ye@intel.com>
62 * tree-nested.c (insert_field_into_struct): Set type alignment
63 to field alignment if the former is less than the latter.
65 2008-02-18 Jakub Jelinek <jakub@redhat.com>
67 * BASE-VER: Set to 4.4.0.
69 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
71 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
72 * doc/cfg.texi: Likewise.
73 * doc/extend.texi: Likewise.
74 * doc/gty.texi: Likewise.
75 * doc/invoke.texi: Likewise.
76 * doc/loop.texi: Likewise.
77 * doc/md.texi: Likewise.
78 * doc/passes.texi: Likewise.
79 * doc/rtl.texi: Likewise.
80 * doc/sourcebuild.texi: Likewise.
81 * doc/tm.texi: Likewise.
82 * doc/tree-ssa.texi: Likewise.
84 2008-02-17 Richard Guenther <rguenther@suse.de>
87 * tree-complex.c (init_parameter_lattice_values): Handle parameters
88 without default definition.
90 2008-02-17 Richard Guenther <rguenther@suse.de>
92 PR tree-optimization/35231
93 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
96 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
100 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
101 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
102 libgcc_cmp_return mode.
104 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
107 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
109 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
111 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
114 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
116 * doc/c-tree.texi: Use `@.' where appropriate.
117 * doc/extend.texi: Likewise.
118 * doc/install.texi: Likewise.
119 * doc/invoke.texi: Likewise.
120 * doc/loop.texi: Likewise.
121 * doc/makefile.texi: Likewise.
122 * doc/md.texi: Likewise.
123 * doc/passes.texi: Likewise.
124 * doc/standards.texi: Likewise.
125 * doc/tm.texi: Likewise.
127 2008-02-15 Jakub Jelinek <jakub@redhat.com>
130 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
132 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
133 rather than in entry_bb.
135 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
137 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
138 libgcc_cmp_return mode.
140 2008-02-15 Jakub Jelinek <jakub@redhat.com>
143 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
144 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
146 2008-02-15 Richard Guenther <rguenther@suse.de>
147 Zdenek Dvorak <ook@ucw.cz>
149 PR tree-optimization/35164
150 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
151 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
152 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
153 Only propagate addresses which do not have abnormal SSA_NAMEs
156 2008-02-15 Joseph Myers <joseph@codesourcery.com>
159 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
161 2008-02-15 Jan Hubicka <jh@suse.cz>
164 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
166 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
169 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
170 when calculating alignment_pad.
172 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
174 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
175 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
176 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
177 and STACK_BOUNDARY define.
179 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
181 PR preprocessor/35061
182 * c-pragma.c (handle_pragma_pop_macro): Check that
183 pushed_macro_table has been allocated.
185 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
188 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
189 (force_gimple_operand): Likewise.
190 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
191 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
192 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
193 (find_interesting_uses_address): Check addressability and alignment
194 of the base expression only after substituting bases of IVs into it.
196 2008-02-14 Michael Matz <matz@suse.de>
199 * function.c (instantiate_virtual_regs_in_insn): Reload address
200 before falling back to reloading the whole operand.
202 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
204 * config/s390/s390.c (s390_mainpool_start): Emit the pool
205 before the first section switch note.
207 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
209 * doc/bugreport.texi: Update copyright years.
210 * doc/c-tree.texi: Likewise.
211 * doc/cfg.texi: Likewise.
212 * doc/cpp.texi: Likewise.
213 * doc/cppinternals.texi: Likewise.
214 * doc/fragments.texi: Likewise.
215 * doc/frontends.texi: Likewise.
216 * doc/gcc.texi: Likewise.
217 * doc/gty.texi: Likewise.
218 * doc/hostconfig.texi: Likewise.
219 * doc/implement-c.texi: Likewise.
220 * doc/libgcc.texi: Likewise.
221 * doc/loop.texi: Likewise.
222 * doc/makefile.texi: Likewise.
223 * doc/options.texi: Likewise.
224 * doc/passes.texi: Likewise.
225 * doc/rtl.texi: Likewise.
226 * doc/sourcebuild.texi: Likewise.
227 * doc/standards.texi: Likewise.
228 * doc/tree-ssa.texi: Likewise.
229 * doc/trouble.texi: Likewise.
231 * doc/extend.texi: Use @: or add comma where appropriate.
232 * doc/invoke.texi: Likewise.
233 * doc/tm.texi: Likewise.
235 2008-02-14 Alan Modra <amodra@bigpond.net.au>
238 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
241 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
243 * doc/md.texi (clz, ctz): Add reference.
244 * doc/rtl.texi (clz, ctz): Likewise.
246 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
249 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
252 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
254 * config/s390/s390.c (struct constant_pool): New field
255 emit_pool_after added.
256 (s390_mainpool_start): Set the emit_pool_after flag according
257 to the section switch notes.
258 (s390_mainpool_finish): Consider emit_pool_after when emitting
259 the literal pool at the end of the function.
260 (s390_chunkify_start): Force literal pool splits at section
263 2008-02-13 Michael Matz <matz@suse.de>
266 * var-tracking.c (clobber_variable_part): Correctly traverse the
269 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
272 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
273 Add -fdump-ipa-inline.
274 * tree-dump.c (dump_files): Remove tree-inlined dump.
275 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
277 2008-02-12 Richard Guenther <rguenther@suse.de>
279 PR tree-optimization/35171
280 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
283 2008-02-12 Richard Guenther <rguenther@suse.de>
286 * fold-const.c (fold_widened_comparison): Use get_unwidened in
287 value-preserving mode. Disallow final truncation.
289 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
292 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
294 (force_gimple_operand): ...here.
296 2008-02-12 Jakub Jelinek <jakub@redhat.com>
299 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
300 non-compatible pointers.
301 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
302 different FIELD_DECLs, try harder by comparing field offsets, sizes
306 * function.c (match_asm_constraints_1): Don't replace the same input
309 2008-02-12 Anatoly Sokolov <aesok@post.ru>
311 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
312 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
313 (expand_epilogue): Restore RAMPZ register.
314 * config/avr/avr.md (RAMPZ_ADDR): New constant.
316 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
318 * config/i386/cygwin.asm: (__alloca): Correct calling
319 convention and alignment.
320 (__chkstk): Force 8 byte stack alignment.
322 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
323 Richard Guenther <rguenther@suse.de>
325 PR tree-optimization/33992
326 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
327 the zero we compare against.
329 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
332 * gthr-win32.h (__gthread_mutex_destroy_function): New function
333 to CloseHandle after unlocking to prevent accumulation of handle
336 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
339 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
340 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
341 and update LABEL_NUSES during and after reload.
343 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
346 * combine.c (simplify_if_then_else): Make sure the comparison is
347 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
349 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
352 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
353 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
354 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
355 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
356 * tree.h (get_type_static_bounds): Likewise.
358 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
360 * doc/invoke.texi (Option Summary, C++ Dialect Options)
361 (Objective-C and Objective-C++ Dialect Options, Warning Options):
362 Make -Wfoo language annotations match what the compiler outputs.
364 2008-02-08 Sa Liu <saliu@de.ibm.com>
366 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
367 intrinsics spu_convts, spu_convtu, spu_convtf.
368 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
370 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
372 * doc/extend.texi (Function Attributes) <noinline>: Mention
373 asm ("") as method to keep calls.
375 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
378 * doc/options.texi (Options): Replace references to opts.sh with
380 * opts-common.c: Likewise.
381 * optc-gen.awk: Likewise.
383 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
385 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
387 2008-02-07 Richard Henderson <rth@redhat.com>
390 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
391 EXPR_LIST for the REG_EQUAL instead of a comparison with a
394 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
396 PR tree-optimization/35085
397 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
398 for operand entry oe2 in addition to operand entry oe3 in order to
399 expose more opportunities for vectorizer sum reduction.
401 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
404 * Makefile.in (LIBS): Remove $(GMPLIBS).
405 (cc1-dummy, cc1): Add $(GMPLIBS).
407 2008-02-06 Jan Hubicka <jh@suse.cz>
410 * i386.md (moddf_integer): Do not produce partial memory stalls for
411 targets where it hurts.
413 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
416 * optabs.c (expand_float): Do not check for decimal modes when
417 expanding unsigned integer through signed conversion.
419 2008-02-06 Nick Clifton <nickc@redhat.com>
421 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
422 inside the clobber with a match_operand and duplicated operand
423 number in the constraint.
424 (ineqbranchsi): Delete redundant comment.
426 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
428 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
429 builtin_define ("__USE_INIT_FINI__").
430 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
432 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
434 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
436 PR documentation/30330
437 * doc/invoke.texi (C++ Dialect Options)
438 (Objective-C and Objective-C++ Dialect Options, Warning Options):
439 For each warning option -Wfoo that allows -Wno-foo, ensure both
440 -Wfoo and -Wno-foo are listed in the option index. Fix index
441 entry of -Wswitch-default, index -Wnormalized= including the
442 `=', and -Wlarger-than-@var{len} including @var{len}.
444 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
446 * config/i386/i386.md (floatunssisf2): Use
447 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
448 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
449 Macroize expander using MODEF mode iterator.
451 2008-02-05 Diego Novillo <dnovillo@google.com>
453 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
456 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
458 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
461 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
463 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
466 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
467 to indicate if a message should be generated.
468 (init_cumulative_args): Updated.
469 (function_value_32): Likewise.
471 2008-02-05 Joseph Myers <joseph@codesourcery.com>
473 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
475 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
478 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
479 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
481 2008-02-04 Diego Novillo <dnovillo@google.com>
483 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
486 * tree-vrp.c (vrp_evaluate_conditional): With
487 -Wtype-limits, emit a warning when comparing against a
488 constant outside the natural range of OP0's type.
490 2008-02-04 Richard Guenther <rguenther@suse.de>
493 * expr.c (count_type_elements): Give for unions instead of
496 2008-02-04 Richard Guenther <rguenther@suse.de>
499 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
500 to TYPE_DOMAINs base type instead of using bitsizetype here.
502 2008-02-03 Jason Merrill <jason@redhat.com>
504 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
506 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
509 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
510 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
511 (RS/6000 and PowerPC Options): Fix typos and markup.
512 * doc/passes.texi (Tree-SSA passes): Likewise.
514 2008-02-02 Michael Matz <matz@suse.de>
517 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
518 from record_last_reg_set_info.
519 (record_last_reg_set_info): Take an RTX argument, iterate over all
520 constituent hardregs.
521 (record_last_set_info, record_opr_changes): Change calls to
522 new signature or to record_last_reg_set_info_regno.
524 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
526 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
528 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
530 PR rtl-optimization/34773
531 * reg-notes.def (EQUAL): Mention significance of combination of
532 REG_EQUAL and REG_RETVAL.
533 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
534 insn that has a REG_RETVAL.
536 2008-02-01 Roger Sayle <roger@eyesopen.com>
539 * configure.ac (--enable-fixed-point): Disable unless explicitly
541 * configure: Regenerate.
543 2008-02-01 Richard Guenther <rguenther@suse.de>
546 * invoke.texi (-finline-limit): Remove no longer true parts
547 of the documentation. Note that there is no default value.
549 2008-02-01 Andrew Pinski <pinskia@gmail.com>
550 Mark Mitchell <mark@codesourcery.com>
551 Ben Elliston <bje@au.ibm.com>
554 * doc/extend.texi (Other Builtins): Document.
556 2008-01-31 Tom Browder <tom.browder@gmail.com>
558 * doc/c-tree.texi (Types): Fix grammar.
559 (Expression trees): Ditto.
560 * doc/passes.texi (Tree-SSA passes): Ditto.
562 * doc/configterms.texi (Configure Terms): Fix typo.
563 * doc/cpp.texi (Common Predefined Macros): Ditto.
564 * doc/md.texi (Machine Constraints): Ditto.
566 * doc/makefile.texi (Makefile): Add comma.
568 2008-01-31 Tom Browder <tom.browder@gmail.com>
569 Gerald Pfeifer <gerald@pfeifer.com>
571 * doc/sourcebuild.texi (Front End): Remove references to CVS
573 (Texinfo Manuals): Replace reference to CVS by one to SVN.
574 (Back End): Remove reference to CVS.
576 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
579 * config/mips/mips.c (gen_load_const_gp): New function, taking a
581 (mips16_gp_pseudo_reg): ...here.
582 * config/mips/mips.md (load_const_gp): Replace with...
583 (load_const_gp_<mode>): ...this :P-based insn.
585 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
587 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
588 options. Minor fixes.
589 (-std): Move reference to standards closer to where language
590 standards are first mentioned.
592 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
594 PR rtl-optimization/34995
595 * reload.c (alternative_allows_const_pool_ref): Take an rtx
596 parameter and return a bool. If the rtx parameter is nonnull,
597 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
598 (find_reloads): Update call accordingly. Pass the new operand
599 if it needed no address reloads, otherwise pass null.
601 2008-01-30 Richard Henderson <rth@redhat.com>
604 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
605 for unbounded arrays.
607 2008-01-30 Silvius Rus <rus@google.com>
609 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
611 2008-01-30 Jan Hubicka <jh@suse.cz>
614 * i386.c (init_cumulative_args): Use real function declaration when
617 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
619 PR rtl-optimization/34998
620 * global.c (build_insn_chain): Treat non-subreg_lowpart
621 SUBREGs of pseudos as clobbering all the words covered by the
622 SUBREG, not just all the bytes.
623 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
624 original df_ref rather than an extract parameter.
625 (global_conflicts): Update call accordingly.
627 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
629 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
630 the overflow check to make it easier to read.
631 (__fixtfdi): Change the type of the ll member in union
632 long_double to UDItype_x.
634 2008-01-30 Jakub Jelinek <jakub@redhat.com>
637 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
638 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
639 * tree-inline.c (fold_marked_statements): Call
640 cgraph_update_edges_for_call_stmt if folding a call statement.
641 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
642 debug_generic_stmt calls, reset it back afterwards.
645 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
647 * c-typeck.c (build_external_ref): Don't pedwarn about
648 static vars in current function's scope.
650 2008-01-29 Joseph Myers <joseph@codesourcery.com>
652 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
654 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
657 * ipa-struct-reorg.c: Fix spelling.
660 2008-01-29 Richard Guenther <rguenther@suse.de>
663 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
665 * tree-inline.c (remap_type): Increment remapping_type_depth
666 around remapping types.
667 (copy_body_r): Only add referenced variables if they are referenced
668 from code, not types.
670 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
681 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
682 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
684 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
687 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
688 pointer for tiny stack.
690 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
692 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
694 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
696 * config/vx-common.h: Fix typo in comment.
698 2008-01-28 Ian Lance Taylor <iant@google.com>
702 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
703 coalesce pointers if they have different DECL_NO_TBAA_P values.
704 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
705 between variables with different DECL_NO_TBAA_P values.
707 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
710 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
711 are not legitimate small data references on SPE targets.
713 2008-01-28 David Daney <ddaney@avtrex.com>
715 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
717 2008-01-28 David Daney <ddaney@avtrex.com>
719 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
721 2008-01-27 Joseph Myers <joseph@codesourcery.com>
723 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
724 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
725 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
726 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
727 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
728 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
729 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
730 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
732 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
734 * basic-block.h (condjump_equiv_p): Fix comment.
736 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
738 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
739 print_generic_stmt_indented): Fix comment.
741 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
743 * configure.ac (__stack_chk_fail): Add detecion for availability
744 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
745 * configure: Regenerate.
747 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
750 * final.c (output_addr_const): Handle TRUNCATE.
752 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
755 * tree-ssa-loop-ivopts.c (comp_cost): New type.
756 (zero_cost, infinite_cost): New constants.
757 (struct cost_pair): Change type of cost to comp_cost.
758 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
759 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
761 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
762 split_address_cost, ptr_difference_cost, difference_cost,
763 get_computation_cost_at, get_computation_cost,
764 determine_use_iv_cost_generic, determine_use_iv_cost_address,
765 determine_use_iv_cost_condition, determine_use_iv_costs,
766 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
767 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
768 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
769 Change type of cost to comp_cost.
770 (determine_iv_cost): Increase cost of non-original ivs, instead
771 of decreasing the cost of original ones.
772 (get_address_cost): Indicate the complexity of the addressing mode
774 (try_add_cand_for): Prefer using ivs not specific to some object.
775 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
777 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
778 Janis Johnson <janis187@us.ibm.com>
781 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
782 (TARGET_INSTANTIATE_DECLS): Likewise.
783 * target.h (expand_to_rtl_hook): New target hook.
784 (instantiate_decls): Likewise.
785 * function.c (instantiate_decl): Make non-static. Rename to...
786 (instantiate_decl_rtl): ... this.
787 (instantiate_expr): Use instantiate_decl_rtl.
788 (instantiate_decls_1): Likewise.
789 (instantiate_decls): Likewise.
790 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
791 * function.h (instantiate_decl_rtl): Add prototype.
792 * cfgexpand.c (target.h): New include.
793 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
794 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
795 (TARGET_INSTANTIATE_DECLS): Likewise.
796 (TARGET_INITIALIZER): New target hooks added.
797 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
799 * config/rs6000/rs6000.c (tree-flow.h): New include.
800 (machine_function): Add sdmode_stack_slot field.
801 (rs6000_alloc_sdmode_stack_slot): New function.
802 (rs6000_instantiate_decls): Likewise.
803 (rs6000_secondary_memory_needed_rtx): Likewise.
804 (rs6000_check_sdmode): Likewise.
805 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
806 (TARGET_INSTANTIATE_DECLS): Likewise.
807 (rs6000_hard_regno_mode_ok): Allow SDmode.
808 (num_insns_constant): Likewise. Handle _Decimal32 constants.
809 (rs6000_emit_move): Handle SDmode.
810 (function_arg_advance): Likewise.
811 (function_arg): Likewise.
812 (rs6000_gimplify_va_arg): Likewise. Add special handling of
813 SDmode var args for 32-bit compiles.
814 (rs6000_secondary_reload_class): Handle SDmode.
815 (rs6000_output_function_epilogue): Likewise.
816 (rs6000_function_value): Simplify if statement.
817 (rs6000_libcall_value): Likewise.
818 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
819 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
820 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
821 (movsd_hardfloat): New define_insn.
822 (movsd_softfloat): Likewise.
823 (movsd_store): Likewise.
824 (movsd_load): Likewise.
825 (extendsddd2): Likewise.
826 (extendsdtd2): Likewise.
827 (truncddsd2): Likewise.
828 (movdd_hardfloat64): Fixup comment.
829 (UNSPEC_MOVSD_LOAD): New constant.
830 (UNSPEC_MOVSD_STORE): Likewise.
832 2008-01-26 Jakub Jelinek <jakub@redhat.com>
835 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
837 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
838 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
839 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
842 2008-01-26 David Edelsohn <edelsohn@gnu.org>
845 * config.gcc: Separate AIX 5.3 from AIX 6.1.
846 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
848 * config/rs6000/aix61.h: New file.
850 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
852 PR rtl-optimization/34959
853 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
854 popcount and parity rtxes the same mode as their operand.
855 Truncate or extend the result to the return value's mode
858 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
861 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
862 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
863 to GOT_VERSION_REGNUM.
864 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
865 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
866 * config/mips/mips.c (mips_emit_call_insn): New function.
867 (mips_call_tls_get_addr): Call mips_expand_call directly.
868 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
870 (mips16_build_call_stub): Likewise. Return the call insn or null.
871 (mips_expand_call): Update the call to mips16_build_call_stub
872 accordingly and a remove redundant condition. Assert that MIPS16
873 stubs do not use lazy binding. Use mips_emit_call_insn and return
875 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
877 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
878 (mips_avoid_hazard): Remove hazard_set handling.
879 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
880 (UNSPEC_RESTORE_GP): ...this.
881 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
882 (FAKE_CALL_REGNO): Rename to...
883 (GOT_VERSION_REGNUM): ...this.
884 (type): Add "ghost" value. Add an associated insn reservation.
885 (hazard_set): Remove.
886 (exception_receiver): Rename to...
887 (restore_gp): ...this and update the unspec identifier accordingly.
888 (exception_receiver, nonlocal_got_receiver): New expanders.
889 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
890 FAKE_CALL_REGNO. Remove hazard_set attribute.
891 (set_got_version, update_got_version): New patterns.
893 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
896 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
898 2008-01-25 Joseph Myers <joseph@codesourcery.com>
901 * doc/install.texi2html: Generate gcc-vers.texi.
903 2008-01-25 DJ Delorie <dj@redhat.com>
905 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
907 2008-01-25 Joseph Myers <joseph@codesourcery.com>
909 * config/c4x: Remove directory.
910 * config.gcc (crx-*, mt-*): Mark obsolete.
911 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
912 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
913 sh-*-rtemscoff*): Remove cases.
914 * defaults.h (C4X_FLOAT_FORMAT): Remove.
915 * real.c (encode_c4x_single, decode_c4x_single,
916 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
917 c4x_extended_format): Remove.
918 * real.h (c4x_single_format, c4x_extended_format): Remove.
919 * doc/extend.texi (interrupt, naked): Remove mention of attributes
921 (Pragmas): Remove comment about c4x pragmas.
922 * doc/install.texi (c4x): Remove target-specific instructions.
923 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
924 * doc/md.texi (Machine Constraints): Remove C4x documentation.
925 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
926 refer to C4x source files as examples.
927 (C4X_FLOAT_FORMAT): Remove documentation.
929 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
931 * config/bfin/bfin.c (override_options): Reorder tests so that
932 flag_pic gets enabled for -msep-data.
934 2008-01-25 Richard Guenther <rguenther@suse.de>
937 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
938 to its bitfield precision if required.
940 2008-01-25 Jakub Jelinek <jakub@redhat.com>
943 * tree-nested.c (walk_omp_for): New function.
944 (convert_nonlocal_reference, convert_local_reference): Call
945 walk_omp_for on OMP_FOR.
946 (convert_call_expr): Call walk_body on OMP_FOR's
947 OMP_FOR_PRE_INIT_BODY.
949 2008-01-25 Richard Guenther <rguenther@suse.de>
951 PR tree-optimization/34966
952 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
953 default defs and PHI_NODEs we have to insert after the
956 2008-01-24 Nick Clifton <nickc@redhat.com>
958 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
959 Provide a default definition.
960 (LIBGCC2_UNITS_PER_WORD): Likewise.
962 * config/stormy16/stormy16.c: Include df.h for the prototype
963 for df_regs_ever_live_p.
964 (xstormy16_expand_builtin_va_start): Convert the stack offset
965 into a component_ref and then use POINTER_PLUS_EXPR to add it
966 to the incoming_virtual_args_rtx.
967 (xstormy16_gimplify_va_arg_expr): Rename to
968 xstormy16_gimplify_va_arg_expr.
969 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
970 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
971 xstormy16_gimplify_va_arg_expr.
972 Fix up some formatting issues.
974 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
975 Move to predicates.md.
976 (xs_hi_general_operand): Likewise.
977 (xs_hi_nonmemory_operand): Likewise.
978 * config/stormy16/predicates.md:
979 (xstormy16_carry_plus_operand): New predicate.
980 (xs_hi_general_operand): New predicate.
981 (xs_hi_nonmemory_operand): New predicate.
982 * config/stormy16/stormy16-protos.h:
983 (xstormy16_carry_plus_operand): Delete prototype.
984 (xs_hi_general_operand): Likewise.
985 (xs_hi_nonmemory_operand): Likewise.
987 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
988 modifiers as they are no longer needed and they can trigger
989 reload spill failures.
991 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
992 with a match_operand in order to help reload.
994 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
995 constraint with 'e' for the 8th alternative as this version of
996 the mov.w instruction only accepts the lower 8 registers.
998 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
1001 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1002 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1005 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1008 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1010 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1012 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1014 (remove_structure): Update allocations list before removing structure.
1016 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1018 * ipa-struct-reorg.c (is_safe_cond_expr,
1019 create_new_stmts_for_cond_expr): Use integer_zerop function,
1020 that recognize not only zero-pointer, but zero-integer too.
1022 2008-01-25 Ben Elliston <bje@au.ibm.com>
1025 * fixproto: Escape "." in sed expression that strips leading "./".
1027 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
1030 * gcc.c (SWITCH_OK): Removed.
1031 (SWITCH_LIVE): Changed to bit.
1032 (SWITCH_FALSE): Likewise.
1033 (SWITCH_IGNORE): Likewise.
1034 (switchstr): Change live_cond to unsigned int.
1035 (process_command): Replace SWITCH_OK with 0.
1036 (do_self_spec): Likewise.
1037 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1038 (give_switch): Likewise.
1039 (used_arg): Likewise.
1040 (do_spec_1): Set the SWITCH_IGNORE bit.
1041 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1042 bits. Set the SWITCH_LIVE bit.
1044 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
1046 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1048 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
1050 PR tree-optimization/34472
1051 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1052 parameter to a "bool *" and set *DATA to false if there is
1053 an unsafe access. Do not delete the structure here.
1054 (check_cond_exprs): Delete it here instead.
1055 (check_cond_exprs, exclude_cold_structs): Do not increase
1056 I when removing a structure.
1058 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
1061 * config/i386/i386.c (ix86_expand_vector_init): Consider only
1062 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1064 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
1067 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1068 a fixed vector for stack.
1070 2008-01-24 Ben Elliston <bje@au.ibm.com>
1073 * doc/gcc.texi (Software development): Add a direntry for g++.
1075 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
1077 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1078 stale and straggling -fforce-addr comments above.
1080 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1082 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1083 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1085 2008-01-23 Michael Matz <matz@suse.de>
1088 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1091 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1093 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1096 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1098 * config/avr/avr.c (avr_current_arch): New variable.
1099 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1100 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1101 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1102 (avr_override_options): Init 'avr_current_arch'.
1103 (base_arch_s): Move from here...
1104 * config/avr/avr.h (base_arch_s): ... here. Add new members
1105 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1106 'mega' to 'have_jmp_call'.
1107 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1108 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1110 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1112 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1113 MULTILIB_MATCHES): (Ditto.).
1115 2008-01-23 Richard Guenther <rguenther@suse.de>
1118 * cgraphunit.c (cgraph_reset_node): Always mark the node
1119 not reachable if it is not queued already.
1121 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1123 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1124 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1125 (cputype_selected): New static variable.
1126 (bfin_handle_option): Set it if -mcpu is used.
1127 (override_option): Select default set of workarounds if no cpu type
1128 selected on the command line.
1129 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1131 From Michael Frysinger <michael.frysinger@analog.com>
1132 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1133 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1135 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1136 for bf547, bf523, bf524, and bf526.
1137 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1139 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1140 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1141 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1142 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1143 * doc/invoke.texi (Blackfin Options): Document that
1144 -mcpu now accept bf547, bf523, bf524, and bf526.
1146 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1148 PR rtl-optimization/34628
1149 * combine.c (try_combine): Stop and undo after the first combination
1150 if an autoincrement side-effect on the first insn has effectively
1153 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1156 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1157 Offset addresses are not valid for Altivec or paired float modes.
1159 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1162 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1163 if DECL_INITIAL (decl) is error_mark_node.
1166 * c-common.c (handle_vector_size_attribute): Only allow
1167 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1168 the same way as pointer, array etc. types.
1169 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1172 * tree.c (build_type_attribute_qual_variant): Call
1173 build_qualified_type if attributes are equal, but quals are not.
1175 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1178 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1179 * flags.h (warn_strict_aliasing): Remove.
1180 (warn_strict_overflow): Remove.
1181 * opts.c (warn_strict_aliasing): Remove.
1182 (warn_strict_overflow): Remove.
1183 * c-opts.c (c_common_handle_option): -Wall only sets
1184 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1185 (c_common_post_options): Give default values to -Wstrict-aliasing
1186 and -Wstrict-overflow if they are uninitialized.
1187 * common.opt (Wstrict-aliasing): Specify Var and Init.
1188 (Wstrict-overflow): Likewise.
1190 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1192 PR rtl-optimization/26854
1193 PR rtl-optimization/34400
1194 PR rtl-optimization/34884
1195 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1197 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1198 (df_rd_bb_info.expanded_lr_out): Deleted
1199 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1200 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1201 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1202 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1203 Removed code to allocate, initialize or free expanded_lr_out.
1204 (df_rd_bb_local_compute_process_def): Restructured to make more
1206 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1207 sets if the sets are being trimmed.
1209 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1212 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1213 (as_vers): Likewise.
1214 * configure: Regenerated.
1216 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1219 * tree-pass.h (pass_build_alias): New pass.
1220 * tree-ssa-alias.c (gate_build_alias): New.
1221 (pass_build_alias): New.
1222 * passes.c (init_optimization_passes): Add pass_build_alias after
1223 pass_create_structure_vars.
1225 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1227 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1228 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1229 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1230 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1231 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1232 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1233 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1234 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1235 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1236 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1237 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1238 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1239 * config/s390/s390.md (FP_ALL): New mode iterator.
1240 (_d): New mode attribute.
1241 ("*signbit<mode>2>"): Changed mode of first operand.
1242 ("isinf<mode>2"): Changed mode of first operand.
1243 ("*TDC_insn"): Adaptation for DFP modes.
1245 2008-01-22 Ben Elliston <bje@au.ibm.com>
1247 * tree.c (check_qualified_type): Improve function description.
1249 2008-01-21 Jason Merrill <jason@redhat.com>
1252 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1253 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1256 2008-01-21 DJ Delorie <dj@redhat.com>
1258 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1261 2008-01-21 Richard Guenther <rguenther@suse.de>
1264 * tree-cfg.c (verify_expr): Allow all invariant expressions
1265 instead of just constant class ones as reference argument.
1266 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1267 like any other constant.
1268 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1270 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1272 * regmove.c (fixup_match_1): Update call crossed frequencies.
1274 2008-01-21 Richard Guenther <rguenther@suse.de>
1277 * tree-inline.c (setup_one_parameter): Deal with mismatched
1278 types using a VIEW_CONVERT_EXPR.
1280 2008-01-21 Alon Dayan <alond@il.ibm.com>
1281 Olga Golovanevsky <olga@il.ibm.com>
1283 PR tree-optimization/34701
1284 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1285 when the structure size is not a power of 2.
1287 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1289 * doc/install.texi: Add doc for --enable-checking=df.
1291 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1293 PR rtl-optimization/34808
1294 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1296 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1298 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1301 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1303 PR rtl-optimization/26854
1304 PR rtl-optimization/34400
1305 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1307 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1308 (df_rd_bb_info.expanded_lr_out): New.
1309 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1310 * loop_iv.c (iv_analysis_loop_init): Ditto.
1311 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1312 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1313 Added code to allocate, initialize or free expanded_lr_out.
1314 (df_rd_bb_local_compute_process_def): Restructured to make
1315 more understandable.
1316 (df_rd_confluence_n): Add code to do nothing with fake edges and
1317 code to no apply invalidate_by_call sets if the sets are being trimmed.
1318 (df_lr_local_finalize): Renamed to df_lr_finalize.
1319 (df_live_local_finalize): Renamed to df_live_finalize.
1321 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1324 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1325 deciding whether to use reciprocal instructions.
1327 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1329 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1330 dwarf2out_note_section_used if cold_text_section is NULL.
1332 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1334 PR gcov-profile/34610
1335 * tree-cfg.c (make_edges): Mark both outgoing edges from
1336 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1337 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1338 from OMP_FOR and OMP_CONTINUE outgoing edges.
1340 * tree-profile.c (tree_profiling): Return early if
1341 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1343 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1344 from cfun to child_cfun.
1345 * function.h (struct function): Add after_tree_profile bit.
1347 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1349 * config/avr/avr.S (_exit): Disable interrupt.
1351 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1352 Steven Bosscher <stevenb.gcc@gmail.com>
1354 PR rtl-optimization/26854
1355 PR rtl-optimization/34400
1356 * df-problems.c (df_live_scratch): New scratch bitmap.
1357 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1358 (df_live_reset): Clear the proper bitmaps.
1359 (df_live_bb_local_compute): Only process the artificial defs once
1360 since the order is not important.
1361 (df_live_init): Init the df_live sets only with the variables
1362 found live by df_lr.
1363 (df_live_transfer_function): Use the df_lr sets to prune the
1364 df_live sets as they are being computed.
1365 (df_live_free): Free df_live_scratch.
1367 2008-01-18 Ian Lance Taylor <iant@google.com>
1369 * common.opt: Add fmerge-debug-strings.
1370 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1371 flag_merge_debug_strings rather than flag_merge_constants.
1372 * doc/invoke.texi (Option Summary): Mention
1373 -fmerge-debug-strings.
1374 (Debugging Options): Document -fmerge-debug-strings.
1376 2008-01-18 Ian Lance Taylor <iant@google.com>
1379 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1380 (struct tree_function_decl): Add new field operator_new_flag.
1381 * tree-inline.c (expand_call_inline): When inlining a call to
1382 operator new, force the return value to go into a variable, and
1383 set DECL_NO_TBAA_P on that variable.
1384 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1386 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1389 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1390 DWARF2_DEBUGGING_INFO.
1391 (dwarf2out_note_section_used): Ditto. Add prototype.
1392 (have_multiple_function_sections, text_section_used,
1393 cold_text_section_used, *cold_text_sections): Move declarations
1396 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1398 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1399 field and add signal_ra.
1400 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1401 assignments to frame state pc. Move end of stack check after
1402 MD_FALLBACK_FRAME_STATE_FOR.
1403 (uw_update_context_1): Use frame state signal_regs if set, instead
1404 of checking signal_frame flag.
1405 (uw_update_context): Use frame state signal_ra if set.
1406 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1407 * config/xtensa/linux-unwind.h: New file.
1409 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1411 * modulo-sched.c (get_sched_window): Fix comment typo.
1413 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1415 PR tree-optimization/34648
1416 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1418 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1420 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1421 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1423 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1425 PR rtl-optimization/34400
1426 * df-core.c (df_worklist_dataflow_overeager,
1427 df_worklist_dataflow_doublequeue): New functions.
1428 (df_worklist_dataflow): Two different worklist solvers.
1429 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1432 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1435 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1436 and ftree-parallelize-loops.
1438 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1440 PR rtl-optimization/34826
1441 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1443 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1445 * global.c (find_reg): Mark the eh regs as used if necessary.
1446 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1447 * ra.h (struct allocno): no_eh_reg field added. Changed
1448 no_stack_reg type to bitfield.
1450 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1452 * tree.c (substitute_in_expr): Add missing 'break'.
1454 2008-01-17 Richard Guenther <rguenther@suse.de>
1456 PR tree-optimization/34825
1457 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1458 x / x as division to handle.
1460 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1462 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1463 "-pthread" is specified.
1464 * pa-hpux11.h (LIB_SPEC): Likewise.
1466 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1467 Peter Bergner <bergner@vnet.ibm.com>
1469 PR rtl-optimization/33796
1470 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1472 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1474 PR libgfortran/34699
1475 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1477 * pa-hpux10.h (LINK_SPEC): Likewise.
1478 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1480 2008-01-16 Richard Guenther <rguenther@suse.de>
1483 * fold-const.c (fold_convert_const_int_from_int): Do not
1484 set overflow if that occured only because of a sign extension
1485 change when converting from/to a sizetype with the same
1486 precision and signedness.
1488 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1491 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1492 location address to the correct place. Update copyright year.
1494 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1496 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1497 no dependences in the dependence_relations vector.
1499 2008-01-16 Jan Hubicka <jh@suse.cz>
1501 PR rtl-optimization/31396
1502 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1503 * cfg.c (dump_reg_info): Print it.
1504 * regs.h (struct reg_info_t): add freq_calls_crossed.
1505 (REG_FREQ_CALLS_CROSSED): New macro.
1506 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1507 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1508 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1509 regmove_optimize): Update call crossed frequencies.
1510 * local-alloc.c (struct qty): Add freq_calls_crossed.
1511 (alloc_qty): Copute freq_calls_crossed.
1512 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1513 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1514 * ra.h (struct allocno): Add freq_calls_crossed.
1516 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1518 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1519 libgomp when compiling with ftree-parallelize-loops.
1520 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1522 2008-01-16 Richard Guenther <rguenther@suse.de>
1524 PR tree-optimization/34769
1525 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1526 * tree.c (int_cst_value): Instead make this function more
1527 permissive in what it accepts as valid input. Document this
1528 function always sign-extends the value.
1530 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1531 Richard Guenther <rguenther@suse.de>
1534 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1535 (gimple_fold_indirect_ref_rhs): ... this.
1536 (gimple_fold_indirect_ref): New function with foldings
1537 that preserve lvalueness.
1538 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1539 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1540 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1541 to fold an INDIRECT_REF, fall back to the old use of
1542 fold_indirect_ref_1.
1544 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1546 * tree-data-ref.c (subscript_dependence_tester_1): Call
1547 free_conflict_function.
1548 (compute_self_dependence): Same.
1550 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1553 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1554 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1556 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1557 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1558 for DWARF2_UNWIND_INFO targets.
1560 2008-01-16 Richard Guenther <rguenther@suse.de>
1563 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1564 type qualifiers for function types.
1566 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1568 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1569 loop_iterator li from previous commit.
1571 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1573 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1575 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1577 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1578 (parallelize_loops): Don't parallelize irreducible components.
1580 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1583 * c-opts (c_common_post_options): Do not enable CPP
1584 flag_pedantic_errors by default.
1586 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1588 PR rtl-optimization/31944
1589 * cse.c (remove_pseudo_from_table): New function.
1590 (merge_equiv_classes): Use above function to remove pseudo-registers.
1591 (invalidate): Likewise.
1593 2008-01-13 Richard Guenther <rguenther@suse.de>
1596 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1597 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1599 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1601 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1602 validate_change to unshare the source of the PC set.
1604 2008-01-12 Jan Hubicka <jh@suse.cz>
1607 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1608 references above array bounds. This might trigger bounds checks for
1611 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1613 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1614 new_replaceable_dependencies.
1616 2008-01-12 Doug Kwan <dougkwan@google.com>
1618 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1619 instead of OPT_Wreturn_type in warning due to ignored return type
1621 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1622 options included in -Wextra.
1623 * c.opt: New option -Wignored_qualifiers.
1624 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1625 -Wignore_qualifiers.
1626 (-Wignored-qualifiers): Document.
1627 (-Wreturn-type): Remove description of functionality now handled
1628 by -Wignored-qualifiers.
1630 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1633 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1634 NOP_EXPR if it is between integral types with the same precision.
1636 2008-01-12 Jan Hubicka <jh@suse.cz>
1639 * invoke.texi (max-inline-recursive-depth): Fix default value.
1641 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1643 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1646 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1648 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1650 2008-01-11 James E. Wilson <wilson@specifix.com>
1653 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1655 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1657 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1658 save/restore frame pointer register and don't use 'call-prologues'
1659 optimization in function with "OS_task" attribute.
1661 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1664 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1665 when copying to memory.
1667 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1669 PR rtl-optimization/30905
1670 * cfgcleanup.c: Include dce.h
1671 (crossjumps_occured): New global variable.
1672 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1673 If something changed, set crossjumps_occured to true.
1674 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1675 Don't add/remove fake edges to exit here...
1676 (cleanup_cfg): ...but do it here, when crossjumping.
1677 Run a fast DCE when successful crossjumps occured in the latest
1678 iteration of try_optimize_cfg.
1680 2008-01-11 Richard Guenther <rguenther@suse.de>
1682 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1683 (struct vn_unary_op_s): Likewise.
1684 (vn_reference_insert): Free old reference on hash collision.
1686 2008-01-10 Raksit Ashok <raksit@google.com>
1688 PR rtl-optimization/27971
1689 * combine.c (find_split_point): Split PLUS expressions which are
1690 inside a MEM rtx, and whose first operand is complex.
1692 2008-01-10 DJ Delorie <dj@redhat.com>
1694 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1695 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1696 (m32c_hard_regno_ok): Call the underlying function.
1698 2008-01-10 Richard Guenther <rguenther@suse.de>
1701 * tree-cfg.c (tree_merge_blocks): Do not go through the
1702 full-blown folding and stmt updating path if we just deal
1703 with virtual operands.
1704 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1705 test for abnormal SSA_NAMEs.
1707 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1710 * reload.c (push_reload): Add assertions. All constants from
1711 reg_equiv_constant should have been used for replacing the respective
1713 (find_reloads_address): Invoke find_reloads_address_part for
1714 constant taken from the reg_equiv_constant array.
1716 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1718 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1719 field (valnum) the first in the struct. Replace bools with
1722 2008-01-10 Richard Guenther <rguenther@suse.de>
1724 PR tree-optimization/34651
1725 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1726 types and ordering for masking and converting.
1728 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1730 PR tree-optimization/34017
1731 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1732 also for PHI_NODE expressions.
1734 2008-01-09 Jan Hubicka <jh@suse.cz>
1736 PR tree-optimization/34708
1737 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1738 based on number of case labels.
1739 (init_inline_once): Remove switch_cost.
1740 * tree-inline.h (eni_weights_d): Remove switch_cost.
1742 2008-01-09 Richard Guenther <rguenther@suse.de>
1743 Andrew Pinski <andrew_pinski@playstation.sony.com>
1746 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1747 temporary if an rvalue is ok or an lvalue is not required.
1749 2008-01-09 Richard Guenther <rguenther@suse.de>
1752 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1755 2008-01-09 Richard Guenther <rguenther@suse.de>
1758 * tree.c (host_integerp): Check for sizetype only if the
1759 type is an integer type.
1761 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1764 * opts.c (decode_options): Disable inlining of functions called
1765 once if not in unit-at-a-time mode.
1767 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1769 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1771 2008-01-08 Richard Guenther <rguenther@suse.de>
1774 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1775 out early if the result will be unused.
1777 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1782 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1783 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1786 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1788 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1789 for vectorization tuned.
1791 2008-01-08 Richard Guenther <rguenther@suse.de>
1793 PR tree-optimization/34683
1794 * tree-ssa-operands.c (operand_build_cmp): Export.
1795 * tree-ssa-operands.h (operand_build_cmp): Declare.
1796 * tree-vn.c (vuses_compare): Remove.
1797 (sort_vuses): Use operand_build_cmp.
1798 (sort_vuses_heap): Likewise.
1799 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1800 to re-use old VEC if available. Do not sort already sorted VUSEs.
1801 (vdefs_to_vec): Do not sort already sorted VDEFs.
1803 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1806 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1808 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1811 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1812 limitations of reciprocal sequences on x86 targets.
1814 2008-01-08 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/34683
1817 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1819 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1822 * config/darwin.c (darwin_mergeable_string_section): Don't use
1823 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1825 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1828 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1829 negxf2. Macroize expander using X87MODEF mode iterator. Change
1830 predicates of op0 and op1 to register_operand.
1831 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1832 expander using X87MODEF mode iterator. Change predicates of
1833 op0 and op1 to register_operand.
1834 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1835 corresponding patterns and macroize using MODEF macro. Change
1836 predicates of op0 and op1 to register_operand and remove
1837 "m" constraint. Disparage "r" alternative with "!".
1838 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1839 macroize using X87MODEF macro. Change predicates of op0 and op1
1840 to register_operand and remove "m" constraint. Disparage "r"
1841 alternative with "!".
1842 (absneg splitter with memory operands): Remove.
1843 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1844 patterns and macroize using X87MODEF mode iterator.
1845 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1846 Change predicate of op1 to register_operand.
1847 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1848 for memory operands.
1850 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1852 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1854 2008-01-07 Richard Guenther <rguenther@suse.de>
1856 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1859 2008-01-07 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/34683
1862 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1863 VOPs of the needed size to save memory. Use VEC_quick_push
1864 to save compile-time.
1865 (vdefs_to_vec): Likewise.
1867 2008-01-07 Sa Liu <saliu@de.ibm.com>
1869 * config/spu/spu.md (divdf3): Genetate inline code for double
1870 division. The implementation doesn't handle INF or NAN, therefore it
1871 only applies when -ffinite-math-only is given.
1873 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1876 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1877 * doc/cpp.texi ([Common Predefined Macros]): Document.
1879 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1881 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1882 order to use commutative addition instead of subtraction.
1884 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1885 Mircea Namolaru <namolaru@il.ibm.com>
1886 Vladimir Yanovsky <yanov@il.ibm.com>
1887 Revital Eres <eres@il.ibm.com>
1889 PR tree-optimization/34263
1890 * tree-outof-ssa.c (process_single_block_loop_latch,
1891 contains_tree_r): New functions.
1892 (analyze_edges_for_bb): Call process_single_block_loop_latch
1893 function to empty single-basic-block latch block if possible.
1895 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1897 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1899 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1901 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1903 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1905 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1907 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1909 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1911 PR tree-optimization/34618
1912 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1915 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1918 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1919 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1920 Update copyright year.
1922 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1923 Update copyright year.
1924 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1927 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1929 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1930 edge does not point to current bb before changing need_assert.
1932 2008-01-04 Richard Guenther <rguenther@suse.de>
1935 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1936 for verifying purposes if they are is_gimple_min_invariant.
1938 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1940 PR tree-optimization/34448
1941 PR tree-optimization/34465
1942 * gimplify.c (gimplify_init_constructor): Add new parameter
1943 notify_temp_creation. Use it.
1944 (gimplify_modify_expr_rhs): Take volatiles into account when
1945 optimizing constructors.
1946 Do not optimize constructors if gimplify_init_constructor will dump to
1948 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1949 * gcc.c-torture/compile/pr34448.c: New.
1951 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1953 PR gcov-profile/34609
1954 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1955 return_slot if result is TREE_ADDRESSABLE.
1957 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1959 * config/mips/mips.md (sqrt_condition): Tweak comment.
1960 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1962 2008-01-03 Tom Tromey <tromey@redhat.com>
1965 * c-common.c (c_type_hash): Handle VLAs.
1967 2008-01-03 Jan Hubicka <jh@suse.cz>
1969 PR tree-optimization/31081
1970 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1971 0 when inlining and not inlining to first basic block.
1972 (remap_decl): When var is initialized to 0, don't set default_def.
1973 (expand_call_inline): Set entry_bb.
1974 * tree-inline.h (copy_body_data): Add entry_bb.
1976 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1979 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1982 PR tree-optimization/29484
1983 * tree-inline.c (inline_forbidden_p_2): New function.
1984 (inline_forbidden_p): Disallow inlining if some static var
1985 has an address of a local LABEL_DECL in its initializer.
1986 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1989 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1991 PR tree-optimization/34635
1992 * tree-data-ref.c (add_other_self_distances): Make sure that the
1993 evolution step is constant.
1995 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1998 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2000 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
2002 * tree-sra.c (scalarize_init): Insert the generate_element_init
2003 statements after the generate_element_zero statements.
2005 2008-01-02 Richard Guenther <rguenther@suse.de>
2009 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2010 for very large number of operands instead of ICEing.
2012 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
2015 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2016 while stack probing.
2018 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
2020 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2023 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
2026 * tree-mudflap.c (mx_register_decls): Guard warning by
2027 !DECL_ARTIFICIAL check.
2029 2008-01-01 Jakub Jelinek <jakub@redhat.com>
2031 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2032 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2033 sse5_perm<mode>): Fix constraints.