1 2008-02-19 Jan Hubicka <jh@suse.cz>
3 PR rtl-optimization/34408
4 * see.c (see_def_extension_not_merged): Copy subreg so we don't have invalid sharing.
6 2008-02-19 Jan Hubicka <jh@suse.cz>
9 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of call_expr.
11 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
14 * config/i386/i386-modes.def: Revert the last DI alignment
15 change until Ada people can look into it.
17 2008-02-19 Nick Clifton <nickc@redhat.com>
19 * opts.c (print_specific_help): Fix typo in --help text.
21 2008-02-19 Jakub Jelinek <jakub@redhat.com>
24 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
25 32-bit inline asm without asm alternatives for host GCC < 3.0.
27 2008-02-19 Richard Guenther <rguenther@suse.de>
29 PR tree-optimization/34989
30 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
31 Allow propagation to INDIRECT_REF if we can simplify only.
33 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
35 * c-common.c (warn_for_collisions_1): Use appropriate option when
38 2008-02-19 Nick Clifton <nickc@redhat.com>
41 * opts.c (undocumented_msg): Leave blank unless checking is
43 (handle_options): Fix indentation.
44 (print_filtered_help): If no language-specific options were
45 displayed tell the user how to list all the options supported by
46 the language's front-end.
47 (print_specific_help): Fix indentation and remove duplicate line.
48 (common_handle_option): Handle the -v option.
49 For --help enable the display of undocumented options if the -v
50 switch has been included on the command line.
51 For --help= check for overlaps in the arguments between the option
52 classes and the language names and issue a warning when they
53 cannot be disambiguated.
54 * c.opt (v): Pass on to the common option handler.
56 2008-02-19 Revital Eres <eres@il.ibm.com>
58 * modulo-sched.c (sms_schedule): Change dump message when
59 create_ddg function fails.
60 (try_scheduling_node_in_cycle): Rename row to cycle.
61 (print_partial_schedule): Rename CYCLE to ROW.
63 2008-02-19 Christian Bruel <christian.bruel@st.com>
64 Zdenek Dvorak <ook@ucw.cz>
66 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
68 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
71 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
72 (*x86_movdicc_0_m1_se): Ditto.
74 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
76 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
77 (CMPtype): Define as __gcc_CMPtype.
78 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
79 (CMPtype): Define as __gcc_CMPtype.
81 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
83 Support valgrind 3.3 for --enable-checking=valgrind.
84 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
86 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
87 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
88 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
89 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
90 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
91 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
92 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
94 * ggc-zone.c: Similar.
95 * ggc-page.c: Similar.
97 2008-02-19 Paul Brook <paul@codesourcery.com>
100 * config/arm/ieee754-df.S: Fix do_it typo.
101 * config/arm/ieee754-sf.S: Fix do_it typo.
103 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
106 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
107 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
108 (OPTION_MASK_ISA_SSE_SET): Likewise.
109 (OPTION_MASK_ISA_SSE2_SET): Likewise.
110 (OPTION_MASK_ISA_SSE3_SET): Likewise.
111 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
112 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
113 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
114 (OPTION_MASK_ISA_SSE4_SET): Likewise.
115 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
116 (OPTION_MASK_ISA_SSE5_SET): Likewise.
117 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
118 (OPTION_MASK_ISA_MMX_UNSET): Updated.
119 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
120 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
121 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
122 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
123 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
124 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
125 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
126 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
127 (OPTION_MASK_ISA_SSE4): Removed.
128 (ix86_handle_option): Turn on bits in ix86_isa_flags and
129 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
131 (override_options): Don't turn on implied SSE/MMX bits in
134 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
136 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
139 2008-02-18 Joey Ye <joey.ye@intel.com>
142 * tree-nested.c (insert_field_into_struct): Set type alignment
143 to field alignment if the former is less than the latter.
145 2008-02-18 Jakub Jelinek <jakub@redhat.com>
147 * BASE-VER: Set to 4.4.0.
149 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
151 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
152 * doc/cfg.texi: Likewise.
153 * doc/extend.texi: Likewise.
154 * doc/gty.texi: Likewise.
155 * doc/invoke.texi: Likewise.
156 * doc/loop.texi: Likewise.
157 * doc/md.texi: Likewise.
158 * doc/passes.texi: Likewise.
159 * doc/rtl.texi: Likewise.
160 * doc/sourcebuild.texi: Likewise.
161 * doc/tm.texi: Likewise.
162 * doc/tree-ssa.texi: Likewise.
164 2008-02-17 Richard Guenther <rguenther@suse.de>
167 * tree-complex.c (init_parameter_lattice_values): Handle parameters
168 without default definition.
170 2008-02-17 Richard Guenther <rguenther@suse.de>
172 PR tree-optimization/35231
173 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
176 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
180 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
181 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
182 libgcc_cmp_return mode.
184 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
187 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
189 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
191 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
194 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
196 * doc/c-tree.texi: Use `@.' where appropriate.
197 * doc/extend.texi: Likewise.
198 * doc/install.texi: Likewise.
199 * doc/invoke.texi: Likewise.
200 * doc/loop.texi: Likewise.
201 * doc/makefile.texi: Likewise.
202 * doc/md.texi: Likewise.
203 * doc/passes.texi: Likewise.
204 * doc/standards.texi: Likewise.
205 * doc/tm.texi: Likewise.
207 2008-02-15 Jakub Jelinek <jakub@redhat.com>
210 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
212 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
213 rather than in entry_bb.
215 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
217 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
218 libgcc_cmp_return mode.
220 2008-02-15 Jakub Jelinek <jakub@redhat.com>
223 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
224 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
226 2008-02-15 Richard Guenther <rguenther@suse.de>
227 Zdenek Dvorak <ook@ucw.cz>
229 PR tree-optimization/35164
230 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
231 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
232 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
233 Only propagate addresses which do not have abnormal SSA_NAMEs
236 2008-02-15 Joseph Myers <joseph@codesourcery.com>
239 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
241 2008-02-15 Jan Hubicka <jh@suse.cz>
244 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
246 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
249 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
250 when calculating alignment_pad.
252 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
254 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
255 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
256 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
257 and STACK_BOUNDARY define.
259 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
261 PR preprocessor/35061
262 * c-pragma.c (handle_pragma_pop_macro): Check that
263 pushed_macro_table has been allocated.
265 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
268 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
269 (force_gimple_operand): Likewise.
270 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
271 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
272 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
273 (find_interesting_uses_address): Check addressability and alignment
274 of the base expression only after substituting bases of IVs into it.
276 2008-02-14 Michael Matz <matz@suse.de>
279 * function.c (instantiate_virtual_regs_in_insn): Reload address
280 before falling back to reloading the whole operand.
282 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
284 * config/s390/s390.c (s390_mainpool_start): Emit the pool
285 before the first section switch note.
287 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
289 * doc/bugreport.texi: Update copyright years.
290 * doc/c-tree.texi: Likewise.
291 * doc/cfg.texi: Likewise.
292 * doc/cpp.texi: Likewise.
293 * doc/cppinternals.texi: Likewise.
294 * doc/fragments.texi: Likewise.
295 * doc/frontends.texi: Likewise.
296 * doc/gcc.texi: Likewise.
297 * doc/gty.texi: Likewise.
298 * doc/hostconfig.texi: Likewise.
299 * doc/implement-c.texi: Likewise.
300 * doc/libgcc.texi: Likewise.
301 * doc/loop.texi: Likewise.
302 * doc/makefile.texi: Likewise.
303 * doc/options.texi: Likewise.
304 * doc/passes.texi: Likewise.
305 * doc/rtl.texi: Likewise.
306 * doc/sourcebuild.texi: Likewise.
307 * doc/standards.texi: Likewise.
308 * doc/tree-ssa.texi: Likewise.
309 * doc/trouble.texi: Likewise.
311 * doc/extend.texi: Use @: or add comma where appropriate.
312 * doc/invoke.texi: Likewise.
313 * doc/tm.texi: Likewise.
315 2008-02-14 Alan Modra <amodra@bigpond.net.au>
318 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
321 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
323 * doc/md.texi (clz, ctz): Add reference.
324 * doc/rtl.texi (clz, ctz): Likewise.
326 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
329 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
332 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
334 * config/s390/s390.c (struct constant_pool): New field
335 emit_pool_after added.
336 (s390_mainpool_start): Set the emit_pool_after flag according
337 to the section switch notes.
338 (s390_mainpool_finish): Consider emit_pool_after when emitting
339 the literal pool at the end of the function.
340 (s390_chunkify_start): Force literal pool splits at section
343 2008-02-13 Michael Matz <matz@suse.de>
346 * var-tracking.c (clobber_variable_part): Correctly traverse the
349 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
352 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
353 Add -fdump-ipa-inline.
354 * tree-dump.c (dump_files): Remove tree-inlined dump.
355 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
357 2008-02-12 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/35171
360 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
363 2008-02-12 Richard Guenther <rguenther@suse.de>
366 * fold-const.c (fold_widened_comparison): Use get_unwidened in
367 value-preserving mode. Disallow final truncation.
369 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
372 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
374 (force_gimple_operand): ...here.
376 2008-02-12 Jakub Jelinek <jakub@redhat.com>
379 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
380 non-compatible pointers.
381 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
382 different FIELD_DECLs, try harder by comparing field offsets, sizes
386 * function.c (match_asm_constraints_1): Don't replace the same input
389 2008-02-12 Anatoly Sokolov <aesok@post.ru>
391 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
392 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
393 (expand_epilogue): Restore RAMPZ register.
394 * config/avr/avr.md (RAMPZ_ADDR): New constant.
396 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
398 * config/i386/cygwin.asm: (__alloca): Correct calling
399 convention and alignment.
400 (__chkstk): Force 8 byte stack alignment.
402 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
403 Richard Guenther <rguenther@suse.de>
405 PR tree-optimization/33992
406 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
407 the zero we compare against.
409 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
412 * gthr-win32.h (__gthread_mutex_destroy_function): New function
413 to CloseHandle after unlocking to prevent accumulation of handle
416 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
419 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
420 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
421 and update LABEL_NUSES during and after reload.
423 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
426 * combine.c (simplify_if_then_else): Make sure the comparison is
427 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
429 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
432 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
433 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
434 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
435 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
436 * tree.h (get_type_static_bounds): Likewise.
438 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
440 * doc/invoke.texi (Option Summary, C++ Dialect Options)
441 (Objective-C and Objective-C++ Dialect Options, Warning Options):
442 Make -Wfoo language annotations match what the compiler outputs.
444 2008-02-08 Sa Liu <saliu@de.ibm.com>
446 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
447 intrinsics spu_convts, spu_convtu, spu_convtf.
448 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
450 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
452 * doc/extend.texi (Function Attributes) <noinline>: Mention
453 asm ("") as method to keep calls.
455 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
458 * doc/options.texi (Options): Replace references to opts.sh with
460 * opts-common.c: Likewise.
461 * optc-gen.awk: Likewise.
463 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
465 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
467 2008-02-07 Richard Henderson <rth@redhat.com>
470 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
471 EXPR_LIST for the REG_EQUAL instead of a comparison with a
474 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
476 PR tree-optimization/35085
477 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
478 for operand entry oe2 in addition to operand entry oe3 in order to
479 expose more opportunities for vectorizer sum reduction.
481 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
484 * Makefile.in (LIBS): Remove $(GMPLIBS).
485 (cc1-dummy, cc1): Add $(GMPLIBS).
487 2008-02-06 Jan Hubicka <jh@suse.cz>
490 * i386.md (moddf_integer): Do not produce partial memory stalls for
491 targets where it hurts.
493 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
496 * optabs.c (expand_float): Do not check for decimal modes when
497 expanding unsigned integer through signed conversion.
499 2008-02-06 Nick Clifton <nickc@redhat.com>
501 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
502 inside the clobber with a match_operand and duplicated operand
503 number in the constraint.
504 (ineqbranchsi): Delete redundant comment.
506 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
508 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
509 builtin_define ("__USE_INIT_FINI__").
510 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
512 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
514 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
516 PR documentation/30330
517 * doc/invoke.texi (C++ Dialect Options)
518 (Objective-C and Objective-C++ Dialect Options, Warning Options):
519 For each warning option -Wfoo that allows -Wno-foo, ensure both
520 -Wfoo and -Wno-foo are listed in the option index. Fix index
521 entry of -Wswitch-default, index -Wnormalized= including the
522 `=', and -Wlarger-than-@var{len} including @var{len}.
524 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
526 * config/i386/i386.md (floatunssisf2): Use
527 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
528 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
529 Macroize expander using MODEF mode iterator.
531 2008-02-05 Diego Novillo <dnovillo@google.com>
533 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
536 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
538 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
541 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
543 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
546 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
547 to indicate if a message should be generated.
548 (init_cumulative_args): Updated.
549 (function_value_32): Likewise.
551 2008-02-05 Joseph Myers <joseph@codesourcery.com>
553 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
555 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
558 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
559 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
561 2008-02-04 Diego Novillo <dnovillo@google.com>
563 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
566 * tree-vrp.c (vrp_evaluate_conditional): With
567 -Wtype-limits, emit a warning when comparing against a
568 constant outside the natural range of OP0's type.
570 2008-02-04 Richard Guenther <rguenther@suse.de>
573 * expr.c (count_type_elements): Give for unions instead of
576 2008-02-04 Richard Guenther <rguenther@suse.de>
579 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
580 to TYPE_DOMAINs base type instead of using bitsizetype here.
582 2008-02-03 Jason Merrill <jason@redhat.com>
584 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
586 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
589 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
590 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
591 (RS/6000 and PowerPC Options): Fix typos and markup.
592 * doc/passes.texi (Tree-SSA passes): Likewise.
594 2008-02-02 Michael Matz <matz@suse.de>
597 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
598 from record_last_reg_set_info.
599 (record_last_reg_set_info): Take an RTX argument, iterate over all
600 constituent hardregs.
601 (record_last_set_info, record_opr_changes): Change calls to
602 new signature or to record_last_reg_set_info_regno.
604 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
606 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
608 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
610 PR rtl-optimization/34773
611 * reg-notes.def (EQUAL): Mention significance of combination of
612 REG_EQUAL and REG_RETVAL.
613 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
614 insn that has a REG_RETVAL.
616 2008-02-01 Roger Sayle <roger@eyesopen.com>
619 * configure.ac (--enable-fixed-point): Disable unless explicitly
621 * configure: Regenerate.
623 2008-02-01 Richard Guenther <rguenther@suse.de>
626 * invoke.texi (-finline-limit): Remove no longer true parts
627 of the documentation. Note that there is no default value.
629 2008-02-01 Andrew Pinski <pinskia@gmail.com>
630 Mark Mitchell <mark@codesourcery.com>
631 Ben Elliston <bje@au.ibm.com>
634 * doc/extend.texi (Other Builtins): Document.
636 2008-01-31 Tom Browder <tom.browder@gmail.com>
638 * doc/c-tree.texi (Types): Fix grammar.
639 (Expression trees): Ditto.
640 * doc/passes.texi (Tree-SSA passes): Ditto.
642 * doc/configterms.texi (Configure Terms): Fix typo.
643 * doc/cpp.texi (Common Predefined Macros): Ditto.
644 * doc/md.texi (Machine Constraints): Ditto.
646 * doc/makefile.texi (Makefile): Add comma.
648 2008-01-31 Tom Browder <tom.browder@gmail.com>
649 Gerald Pfeifer <gerald@pfeifer.com>
651 * doc/sourcebuild.texi (Front End): Remove references to CVS
653 (Texinfo Manuals): Replace reference to CVS by one to SVN.
654 (Back End): Remove reference to CVS.
656 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
659 * config/mips/mips.c (gen_load_const_gp): New function, taking a
661 (mips16_gp_pseudo_reg): ...here.
662 * config/mips/mips.md (load_const_gp): Replace with...
663 (load_const_gp_<mode>): ...this :P-based insn.
665 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
667 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
668 options. Minor fixes.
669 (-std): Move reference to standards closer to where language
670 standards are first mentioned.
672 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
674 PR rtl-optimization/34995
675 * reload.c (alternative_allows_const_pool_ref): Take an rtx
676 parameter and return a bool. If the rtx parameter is nonnull,
677 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
678 (find_reloads): Update call accordingly. Pass the new operand
679 if it needed no address reloads, otherwise pass null.
681 2008-01-30 Richard Henderson <rth@redhat.com>
684 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
685 for unbounded arrays.
687 2008-01-30 Silvius Rus <rus@google.com>
689 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
691 2008-01-30 Jan Hubicka <jh@suse.cz>
694 * i386.c (init_cumulative_args): Use real function declaration when
697 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
699 PR rtl-optimization/34998
700 * global.c (build_insn_chain): Treat non-subreg_lowpart
701 SUBREGs of pseudos as clobbering all the words covered by the
702 SUBREG, not just all the bytes.
703 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
704 original df_ref rather than an extract parameter.
705 (global_conflicts): Update call accordingly.
707 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
709 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
710 the overflow check to make it easier to read.
711 (__fixtfdi): Change the type of the ll member in union
712 long_double to UDItype_x.
714 2008-01-30 Jakub Jelinek <jakub@redhat.com>
717 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
718 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
719 * tree-inline.c (fold_marked_statements): Call
720 cgraph_update_edges_for_call_stmt if folding a call statement.
721 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
722 debug_generic_stmt calls, reset it back afterwards.
725 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
727 * c-typeck.c (build_external_ref): Don't pedwarn about
728 static vars in current function's scope.
730 2008-01-29 Joseph Myers <joseph@codesourcery.com>
732 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
734 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
737 * ipa-struct-reorg.c: Fix spelling.
740 2008-01-29 Richard Guenther <rguenther@suse.de>
743 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
745 * tree-inline.c (remap_type): Increment remapping_type_depth
746 around remapping types.
747 (copy_body_r): Only add referenced variables if they are referenced
748 from code, not types.
750 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
761 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
762 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
764 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
767 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
768 pointer for tiny stack.
770 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
772 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
774 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
776 * config/vx-common.h: Fix typo in comment.
778 2008-01-28 Ian Lance Taylor <iant@google.com>
782 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
783 coalesce pointers if they have different DECL_NO_TBAA_P values.
784 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
785 between variables with different DECL_NO_TBAA_P values.
787 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
790 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
791 are not legitimate small data references on SPE targets.
793 2008-01-28 David Daney <ddaney@avtrex.com>
795 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
797 2008-01-28 David Daney <ddaney@avtrex.com>
799 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
801 2008-01-27 Joseph Myers <joseph@codesourcery.com>
803 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
804 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
805 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
806 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
807 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
808 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
809 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
810 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
812 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
814 * basic-block.h (condjump_equiv_p): Fix comment.
816 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
818 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
819 print_generic_stmt_indented): Fix comment.
821 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
823 * configure.ac (__stack_chk_fail): Add detecion for availability
824 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
825 * configure: Regenerate.
827 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
830 * final.c (output_addr_const): Handle TRUNCATE.
832 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
835 * tree-ssa-loop-ivopts.c (comp_cost): New type.
836 (zero_cost, infinite_cost): New constants.
837 (struct cost_pair): Change type of cost to comp_cost.
838 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
839 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
841 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
842 split_address_cost, ptr_difference_cost, difference_cost,
843 get_computation_cost_at, get_computation_cost,
844 determine_use_iv_cost_generic, determine_use_iv_cost_address,
845 determine_use_iv_cost_condition, determine_use_iv_costs,
846 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
847 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
848 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
849 Change type of cost to comp_cost.
850 (determine_iv_cost): Increase cost of non-original ivs, instead
851 of decreasing the cost of original ones.
852 (get_address_cost): Indicate the complexity of the addressing mode
854 (try_add_cand_for): Prefer using ivs not specific to some object.
855 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
857 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
858 Janis Johnson <janis187@us.ibm.com>
861 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
862 (TARGET_INSTANTIATE_DECLS): Likewise.
863 * target.h (expand_to_rtl_hook): New target hook.
864 (instantiate_decls): Likewise.
865 * function.c (instantiate_decl): Make non-static. Rename to...
866 (instantiate_decl_rtl): ... this.
867 (instantiate_expr): Use instantiate_decl_rtl.
868 (instantiate_decls_1): Likewise.
869 (instantiate_decls): Likewise.
870 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
871 * function.h (instantiate_decl_rtl): Add prototype.
872 * cfgexpand.c (target.h): New include.
873 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
874 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
875 (TARGET_INSTANTIATE_DECLS): Likewise.
876 (TARGET_INITIALIZER): New target hooks added.
877 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
879 * config/rs6000/rs6000.c (tree-flow.h): New include.
880 (machine_function): Add sdmode_stack_slot field.
881 (rs6000_alloc_sdmode_stack_slot): New function.
882 (rs6000_instantiate_decls): Likewise.
883 (rs6000_secondary_memory_needed_rtx): Likewise.
884 (rs6000_check_sdmode): Likewise.
885 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
886 (TARGET_INSTANTIATE_DECLS): Likewise.
887 (rs6000_hard_regno_mode_ok): Allow SDmode.
888 (num_insns_constant): Likewise. Handle _Decimal32 constants.
889 (rs6000_emit_move): Handle SDmode.
890 (function_arg_advance): Likewise.
891 (function_arg): Likewise.
892 (rs6000_gimplify_va_arg): Likewise. Add special handling of
893 SDmode var args for 32-bit compiles.
894 (rs6000_secondary_reload_class): Handle SDmode.
895 (rs6000_output_function_epilogue): Likewise.
896 (rs6000_function_value): Simplify if statement.
897 (rs6000_libcall_value): Likewise.
898 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
899 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
900 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
901 (movsd_hardfloat): New define_insn.
902 (movsd_softfloat): Likewise.
903 (movsd_store): Likewise.
904 (movsd_load): Likewise.
905 (extendsddd2): Likewise.
906 (extendsdtd2): Likewise.
907 (truncddsd2): Likewise.
908 (movdd_hardfloat64): Fixup comment.
909 (UNSPEC_MOVSD_LOAD): New constant.
910 (UNSPEC_MOVSD_STORE): Likewise.
912 2008-01-26 Jakub Jelinek <jakub@redhat.com>
915 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
917 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
918 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
919 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
922 2008-01-26 David Edelsohn <edelsohn@gnu.org>
925 * config.gcc: Separate AIX 5.3 from AIX 6.1.
926 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
928 * config/rs6000/aix61.h: New file.
930 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
932 PR rtl-optimization/34959
933 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
934 popcount and parity rtxes the same mode as their operand.
935 Truncate or extend the result to the return value's mode
938 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
941 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
942 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
943 to GOT_VERSION_REGNUM.
944 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
945 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
946 * config/mips/mips.c (mips_emit_call_insn): New function.
947 (mips_call_tls_get_addr): Call mips_expand_call directly.
948 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
950 (mips16_build_call_stub): Likewise. Return the call insn or null.
951 (mips_expand_call): Update the call to mips16_build_call_stub
952 accordingly and a remove redundant condition. Assert that MIPS16
953 stubs do not use lazy binding. Use mips_emit_call_insn and return
955 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
957 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
958 (mips_avoid_hazard): Remove hazard_set handling.
959 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
960 (UNSPEC_RESTORE_GP): ...this.
961 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
962 (FAKE_CALL_REGNO): Rename to...
963 (GOT_VERSION_REGNUM): ...this.
964 (type): Add "ghost" value. Add an associated insn reservation.
965 (hazard_set): Remove.
966 (exception_receiver): Rename to...
967 (restore_gp): ...this and update the unspec identifier accordingly.
968 (exception_receiver, nonlocal_got_receiver): New expanders.
969 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
970 FAKE_CALL_REGNO. Remove hazard_set attribute.
971 (set_got_version, update_got_version): New patterns.
973 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
976 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
978 2008-01-25 Joseph Myers <joseph@codesourcery.com>
981 * doc/install.texi2html: Generate gcc-vers.texi.
983 2008-01-25 DJ Delorie <dj@redhat.com>
985 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
987 2008-01-25 Joseph Myers <joseph@codesourcery.com>
989 * config/c4x: Remove directory.
990 * config.gcc (crx-*, mt-*): Mark obsolete.
991 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
992 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
993 sh-*-rtemscoff*): Remove cases.
994 * defaults.h (C4X_FLOAT_FORMAT): Remove.
995 * real.c (encode_c4x_single, decode_c4x_single,
996 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
997 c4x_extended_format): Remove.
998 * real.h (c4x_single_format, c4x_extended_format): Remove.
999 * doc/extend.texi (interrupt, naked): Remove mention of attributes
1001 (Pragmas): Remove comment about c4x pragmas.
1002 * doc/install.texi (c4x): Remove target-specific instructions.
1003 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
1004 * doc/md.texi (Machine Constraints): Remove C4x documentation.
1005 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
1006 refer to C4x source files as examples.
1007 (C4X_FLOAT_FORMAT): Remove documentation.
1009 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
1011 * config/bfin/bfin.c (override_options): Reorder tests so that
1012 flag_pic gets enabled for -msep-data.
1014 2008-01-25 Richard Guenther <rguenther@suse.de>
1017 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1018 to its bitfield precision if required.
1020 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1023 * tree-nested.c (walk_omp_for): New function.
1024 (convert_nonlocal_reference, convert_local_reference): Call
1025 walk_omp_for on OMP_FOR.
1026 (convert_call_expr): Call walk_body on OMP_FOR's
1027 OMP_FOR_PRE_INIT_BODY.
1029 2008-01-25 Richard Guenther <rguenther@suse.de>
1031 PR tree-optimization/34966
1032 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1033 default defs and PHI_NODEs we have to insert after the
1036 2008-01-24 Nick Clifton <nickc@redhat.com>
1038 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1039 Provide a default definition.
1040 (LIBGCC2_UNITS_PER_WORD): Likewise.
1042 * config/stormy16/stormy16.c: Include df.h for the prototype
1043 for df_regs_ever_live_p.
1044 (xstormy16_expand_builtin_va_start): Convert the stack offset
1045 into a component_ref and then use POINTER_PLUS_EXPR to add it
1046 to the incoming_virtual_args_rtx.
1047 (xstormy16_gimplify_va_arg_expr): Rename to
1048 xstormy16_gimplify_va_arg_expr.
1049 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1050 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1051 xstormy16_gimplify_va_arg_expr.
1052 Fix up some formatting issues.
1054 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1055 Move to predicates.md.
1056 (xs_hi_general_operand): Likewise.
1057 (xs_hi_nonmemory_operand): Likewise.
1058 * config/stormy16/predicates.md:
1059 (xstormy16_carry_plus_operand): New predicate.
1060 (xs_hi_general_operand): New predicate.
1061 (xs_hi_nonmemory_operand): New predicate.
1062 * config/stormy16/stormy16-protos.h:
1063 (xstormy16_carry_plus_operand): Delete prototype.
1064 (xs_hi_general_operand): Likewise.
1065 (xs_hi_nonmemory_operand): Likewise.
1067 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1068 modifiers as they are no longer needed and they can trigger
1069 reload spill failures.
1071 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1072 with a match_operand in order to help reload.
1074 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1075 constraint with 'e' for the 8th alternative as this version of
1076 the mov.w instruction only accepts the lower 8 registers.
1078 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
1081 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1082 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1085 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1088 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1090 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1092 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1094 (remove_structure): Update allocations list before removing structure.
1096 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1098 * ipa-struct-reorg.c (is_safe_cond_expr,
1099 create_new_stmts_for_cond_expr): Use integer_zerop function,
1100 that recognize not only zero-pointer, but zero-integer too.
1102 2008-01-25 Ben Elliston <bje@au.ibm.com>
1105 * fixproto: Escape "." in sed expression that strips leading "./".
1107 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
1110 * gcc.c (SWITCH_OK): Removed.
1111 (SWITCH_LIVE): Changed to bit.
1112 (SWITCH_FALSE): Likewise.
1113 (SWITCH_IGNORE): Likewise.
1114 (switchstr): Change live_cond to unsigned int.
1115 (process_command): Replace SWITCH_OK with 0.
1116 (do_self_spec): Likewise.
1117 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1118 (give_switch): Likewise.
1119 (used_arg): Likewise.
1120 (do_spec_1): Set the SWITCH_IGNORE bit.
1121 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1122 bits. Set the SWITCH_LIVE bit.
1124 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
1126 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1128 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
1130 PR tree-optimization/34472
1131 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1132 parameter to a "bool *" and set *DATA to false if there is
1133 an unsafe access. Do not delete the structure here.
1134 (check_cond_exprs): Delete it here instead.
1135 (check_cond_exprs, exclude_cold_structs): Do not increase
1136 I when removing a structure.
1138 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
1141 * config/i386/i386.c (ix86_expand_vector_init): Consider only
1142 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1144 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
1147 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1148 a fixed vector for stack.
1150 2008-01-24 Ben Elliston <bje@au.ibm.com>
1153 * doc/gcc.texi (Software development): Add a direntry for g++.
1155 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
1157 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1158 stale and straggling -fforce-addr comments above.
1160 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1162 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1163 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1165 2008-01-23 Michael Matz <matz@suse.de>
1168 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1171 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1173 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1176 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1178 * config/avr/avr.c (avr_current_arch): New variable.
1179 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1180 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1181 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1182 (avr_override_options): Init 'avr_current_arch'.
1183 (base_arch_s): Move from here...
1184 * config/avr/avr.h (base_arch_s): ... here. Add new members
1185 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1186 'mega' to 'have_jmp_call'.
1187 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1188 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1190 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1192 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1193 MULTILIB_MATCHES): (Ditto.).
1195 2008-01-23 Richard Guenther <rguenther@suse.de>
1198 * cgraphunit.c (cgraph_reset_node): Always mark the node
1199 not reachable if it is not queued already.
1201 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1203 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1204 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1205 (cputype_selected): New static variable.
1206 (bfin_handle_option): Set it if -mcpu is used.
1207 (override_option): Select default set of workarounds if no cpu type
1208 selected on the command line.
1209 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1211 From Michael Frysinger <michael.frysinger@analog.com>
1212 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1213 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1215 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1216 for bf547, bf523, bf524, and bf526.
1217 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1219 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1220 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1221 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1222 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1223 * doc/invoke.texi (Blackfin Options): Document that
1224 -mcpu now accept bf547, bf523, bf524, and bf526.
1226 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1228 PR rtl-optimization/34628
1229 * combine.c (try_combine): Stop and undo after the first combination
1230 if an autoincrement side-effect on the first insn has effectively
1233 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1236 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1237 Offset addresses are not valid for Altivec or paired float modes.
1239 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1242 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1243 if DECL_INITIAL (decl) is error_mark_node.
1246 * c-common.c (handle_vector_size_attribute): Only allow
1247 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1248 the same way as pointer, array etc. types.
1249 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1252 * tree.c (build_type_attribute_qual_variant): Call
1253 build_qualified_type if attributes are equal, but quals are not.
1255 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1258 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1259 * flags.h (warn_strict_aliasing): Remove.
1260 (warn_strict_overflow): Remove.
1261 * opts.c (warn_strict_aliasing): Remove.
1262 (warn_strict_overflow): Remove.
1263 * c-opts.c (c_common_handle_option): -Wall only sets
1264 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1265 (c_common_post_options): Give default values to -Wstrict-aliasing
1266 and -Wstrict-overflow if they are uninitialized.
1267 * common.opt (Wstrict-aliasing): Specify Var and Init.
1268 (Wstrict-overflow): Likewise.
1270 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1272 PR rtl-optimization/26854
1273 PR rtl-optimization/34400
1274 PR rtl-optimization/34884
1275 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1277 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1278 (df_rd_bb_info.expanded_lr_out): Deleted
1279 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1280 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1281 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1282 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1283 Removed code to allocate, initialize or free expanded_lr_out.
1284 (df_rd_bb_local_compute_process_def): Restructured to make more
1286 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1287 sets if the sets are being trimmed.
1289 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1292 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1293 (as_vers): Likewise.
1294 * configure: Regenerated.
1296 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1299 * tree-pass.h (pass_build_alias): New pass.
1300 * tree-ssa-alias.c (gate_build_alias): New.
1301 (pass_build_alias): New.
1302 * passes.c (init_optimization_passes): Add pass_build_alias after
1303 pass_create_structure_vars.
1305 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1307 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1308 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1309 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1310 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1311 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1312 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1313 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1314 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1315 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1316 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1317 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1318 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1319 * config/s390/s390.md (FP_ALL): New mode iterator.
1320 (_d): New mode attribute.
1321 ("*signbit<mode>2>"): Changed mode of first operand.
1322 ("isinf<mode>2"): Changed mode of first operand.
1323 ("*TDC_insn"): Adaptation for DFP modes.
1325 2008-01-22 Ben Elliston <bje@au.ibm.com>
1327 * tree.c (check_qualified_type): Improve function description.
1329 2008-01-21 Jason Merrill <jason@redhat.com>
1332 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1333 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1336 2008-01-21 DJ Delorie <dj@redhat.com>
1338 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1341 2008-01-21 Richard Guenther <rguenther@suse.de>
1344 * tree-cfg.c (verify_expr): Allow all invariant expressions
1345 instead of just constant class ones as reference argument.
1346 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1347 like any other constant.
1348 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1350 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1352 * regmove.c (fixup_match_1): Update call crossed frequencies.
1354 2008-01-21 Richard Guenther <rguenther@suse.de>
1357 * tree-inline.c (setup_one_parameter): Deal with mismatched
1358 types using a VIEW_CONVERT_EXPR.
1360 2008-01-21 Alon Dayan <alond@il.ibm.com>
1361 Olga Golovanevsky <olga@il.ibm.com>
1363 PR tree-optimization/34701
1364 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1365 when the structure size is not a power of 2.
1367 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1369 * doc/install.texi: Add doc for --enable-checking=df.
1371 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1373 PR rtl-optimization/34808
1374 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1376 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1378 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1381 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1383 PR rtl-optimization/26854
1384 PR rtl-optimization/34400
1385 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1387 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1388 (df_rd_bb_info.expanded_lr_out): New.
1389 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1390 * loop_iv.c (iv_analysis_loop_init): Ditto.
1391 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1392 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1393 Added code to allocate, initialize or free expanded_lr_out.
1394 (df_rd_bb_local_compute_process_def): Restructured to make
1395 more understandable.
1396 (df_rd_confluence_n): Add code to do nothing with fake edges and
1397 code to no apply invalidate_by_call sets if the sets are being trimmed.
1398 (df_lr_local_finalize): Renamed to df_lr_finalize.
1399 (df_live_local_finalize): Renamed to df_live_finalize.
1401 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1404 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1405 deciding whether to use reciprocal instructions.
1407 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1409 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1410 dwarf2out_note_section_used if cold_text_section is NULL.
1412 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1414 PR gcov-profile/34610
1415 * tree-cfg.c (make_edges): Mark both outgoing edges from
1416 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1417 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1418 from OMP_FOR and OMP_CONTINUE outgoing edges.
1420 * tree-profile.c (tree_profiling): Return early if
1421 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1423 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1424 from cfun to child_cfun.
1425 * function.h (struct function): Add after_tree_profile bit.
1427 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1429 * config/avr/avr.S (_exit): Disable interrupt.
1431 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1432 Steven Bosscher <stevenb.gcc@gmail.com>
1434 PR rtl-optimization/26854
1435 PR rtl-optimization/34400
1436 * df-problems.c (df_live_scratch): New scratch bitmap.
1437 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1438 (df_live_reset): Clear the proper bitmaps.
1439 (df_live_bb_local_compute): Only process the artificial defs once
1440 since the order is not important.
1441 (df_live_init): Init the df_live sets only with the variables
1442 found live by df_lr.
1443 (df_live_transfer_function): Use the df_lr sets to prune the
1444 df_live sets as they are being computed.
1445 (df_live_free): Free df_live_scratch.
1447 2008-01-18 Ian Lance Taylor <iant@google.com>
1449 * common.opt: Add fmerge-debug-strings.
1450 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1451 flag_merge_debug_strings rather than flag_merge_constants.
1452 * doc/invoke.texi (Option Summary): Mention
1453 -fmerge-debug-strings.
1454 (Debugging Options): Document -fmerge-debug-strings.
1456 2008-01-18 Ian Lance Taylor <iant@google.com>
1459 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1460 (struct tree_function_decl): Add new field operator_new_flag.
1461 * tree-inline.c (expand_call_inline): When inlining a call to
1462 operator new, force the return value to go into a variable, and
1463 set DECL_NO_TBAA_P on that variable.
1464 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1466 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1469 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1470 DWARF2_DEBUGGING_INFO.
1471 (dwarf2out_note_section_used): Ditto. Add prototype.
1472 (have_multiple_function_sections, text_section_used,
1473 cold_text_section_used, *cold_text_sections): Move declarations
1476 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1478 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1479 field and add signal_ra.
1480 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1481 assignments to frame state pc. Move end of stack check after
1482 MD_FALLBACK_FRAME_STATE_FOR.
1483 (uw_update_context_1): Use frame state signal_regs if set, instead
1484 of checking signal_frame flag.
1485 (uw_update_context): Use frame state signal_ra if set.
1486 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1487 * config/xtensa/linux-unwind.h: New file.
1489 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1491 * modulo-sched.c (get_sched_window): Fix comment typo.
1493 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1495 PR tree-optimization/34648
1496 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1498 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1500 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1501 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1503 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1505 PR rtl-optimization/34400
1506 * df-core.c (df_worklist_dataflow_overeager,
1507 df_worklist_dataflow_doublequeue): New functions.
1508 (df_worklist_dataflow): Two different worklist solvers.
1509 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1512 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1515 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1516 and ftree-parallelize-loops.
1518 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1520 PR rtl-optimization/34826
1521 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1523 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1525 * global.c (find_reg): Mark the eh regs as used if necessary.
1526 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1527 * ra.h (struct allocno): no_eh_reg field added. Changed
1528 no_stack_reg type to bitfield.
1530 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1532 * tree.c (substitute_in_expr): Add missing 'break'.
1534 2008-01-17 Richard Guenther <rguenther@suse.de>
1536 PR tree-optimization/34825
1537 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1538 x / x as division to handle.
1540 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1542 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1543 "-pthread" is specified.
1544 * pa-hpux11.h (LIB_SPEC): Likewise.
1546 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1547 Peter Bergner <bergner@vnet.ibm.com>
1549 PR rtl-optimization/33796
1550 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1552 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1554 PR libgfortran/34699
1555 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1557 * pa-hpux10.h (LINK_SPEC): Likewise.
1558 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1560 2008-01-16 Richard Guenther <rguenther@suse.de>
1563 * fold-const.c (fold_convert_const_int_from_int): Do not
1564 set overflow if that occured only because of a sign extension
1565 change when converting from/to a sizetype with the same
1566 precision and signedness.
1568 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1571 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1572 location address to the correct place. Update copyright year.
1574 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1576 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1577 no dependences in the dependence_relations vector.
1579 2008-01-16 Jan Hubicka <jh@suse.cz>
1581 PR rtl-optimization/31396
1582 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1583 * cfg.c (dump_reg_info): Print it.
1584 * regs.h (struct reg_info_t): add freq_calls_crossed.
1585 (REG_FREQ_CALLS_CROSSED): New macro.
1586 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1587 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1588 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1589 regmove_optimize): Update call crossed frequencies.
1590 * local-alloc.c (struct qty): Add freq_calls_crossed.
1591 (alloc_qty): Copute freq_calls_crossed.
1592 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1593 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1594 * ra.h (struct allocno): Add freq_calls_crossed.
1596 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1598 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1599 libgomp when compiling with ftree-parallelize-loops.
1600 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1602 2008-01-16 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/34769
1605 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1606 * tree.c (int_cst_value): Instead make this function more
1607 permissive in what it accepts as valid input. Document this
1608 function always sign-extends the value.
1610 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1611 Richard Guenther <rguenther@suse.de>
1614 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1615 (gimple_fold_indirect_ref_rhs): ... this.
1616 (gimple_fold_indirect_ref): New function with foldings
1617 that preserve lvalueness.
1618 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1619 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1620 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1621 to fold an INDIRECT_REF, fall back to the old use of
1622 fold_indirect_ref_1.
1624 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1626 * tree-data-ref.c (subscript_dependence_tester_1): Call
1627 free_conflict_function.
1628 (compute_self_dependence): Same.
1630 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1633 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1634 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1636 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1637 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1638 for DWARF2_UNWIND_INFO targets.
1640 2008-01-16 Richard Guenther <rguenther@suse.de>
1643 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1644 type qualifiers for function types.
1646 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1648 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1649 loop_iterator li from previous commit.
1651 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1653 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1655 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1657 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1658 (parallelize_loops): Don't parallelize irreducible components.
1660 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1663 * c-opts (c_common_post_options): Do not enable CPP
1664 flag_pedantic_errors by default.
1666 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1668 PR rtl-optimization/31944
1669 * cse.c (remove_pseudo_from_table): New function.
1670 (merge_equiv_classes): Use above function to remove pseudo-registers.
1671 (invalidate): Likewise.
1673 2008-01-13 Richard Guenther <rguenther@suse.de>
1676 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1677 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1679 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1681 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1682 validate_change to unshare the source of the PC set.
1684 2008-01-12 Jan Hubicka <jh@suse.cz>
1687 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1688 references above array bounds. This might trigger bounds checks for
1691 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1693 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1694 new_replaceable_dependencies.
1696 2008-01-12 Doug Kwan <dougkwan@google.com>
1698 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1699 instead of OPT_Wreturn_type in warning due to ignored return type
1701 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1702 options included in -Wextra.
1703 * c.opt: New option -Wignored_qualifiers.
1704 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1705 -Wignore_qualifiers.
1706 (-Wignored-qualifiers): Document.
1707 (-Wreturn-type): Remove description of functionality now handled
1708 by -Wignored-qualifiers.
1710 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1713 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1714 NOP_EXPR if it is between integral types with the same precision.
1716 2008-01-12 Jan Hubicka <jh@suse.cz>
1719 * invoke.texi (max-inline-recursive-depth): Fix default value.
1721 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1723 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1726 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1728 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1730 2008-01-11 James E. Wilson <wilson@specifix.com>
1733 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1735 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1737 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1738 save/restore frame pointer register and don't use 'call-prologues'
1739 optimization in function with "OS_task" attribute.
1741 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1744 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1745 when copying to memory.
1747 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1749 PR rtl-optimization/30905
1750 * cfgcleanup.c: Include dce.h
1751 (crossjumps_occured): New global variable.
1752 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1753 If something changed, set crossjumps_occured to true.
1754 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1755 Don't add/remove fake edges to exit here...
1756 (cleanup_cfg): ...but do it here, when crossjumping.
1757 Run a fast DCE when successful crossjumps occured in the latest
1758 iteration of try_optimize_cfg.
1760 2008-01-11 Richard Guenther <rguenther@suse.de>
1762 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1763 (struct vn_unary_op_s): Likewise.
1764 (vn_reference_insert): Free old reference on hash collision.
1766 2008-01-10 Raksit Ashok <raksit@google.com>
1768 PR rtl-optimization/27971
1769 * combine.c (find_split_point): Split PLUS expressions which are
1770 inside a MEM rtx, and whose first operand is complex.
1772 2008-01-10 DJ Delorie <dj@redhat.com>
1774 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1775 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1776 (m32c_hard_regno_ok): Call the underlying function.
1778 2008-01-10 Richard Guenther <rguenther@suse.de>
1781 * tree-cfg.c (tree_merge_blocks): Do not go through the
1782 full-blown folding and stmt updating path if we just deal
1783 with virtual operands.
1784 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1785 test for abnormal SSA_NAMEs.
1787 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1790 * reload.c (push_reload): Add assertions. All constants from
1791 reg_equiv_constant should have been used for replacing the respective
1793 (find_reloads_address): Invoke find_reloads_address_part for
1794 constant taken from the reg_equiv_constant array.
1796 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1798 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1799 field (valnum) the first in the struct. Replace bools with
1802 2008-01-10 Richard Guenther <rguenther@suse.de>
1804 PR tree-optimization/34651
1805 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1806 types and ordering for masking and converting.
1808 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1810 PR tree-optimization/34017
1811 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1812 also for PHI_NODE expressions.
1814 2008-01-09 Jan Hubicka <jh@suse.cz>
1816 PR tree-optimization/34708
1817 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1818 based on number of case labels.
1819 (init_inline_once): Remove switch_cost.
1820 * tree-inline.h (eni_weights_d): Remove switch_cost.
1822 2008-01-09 Richard Guenther <rguenther@suse.de>
1823 Andrew Pinski <andrew_pinski@playstation.sony.com>
1826 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1827 temporary if an rvalue is ok or an lvalue is not required.
1829 2008-01-09 Richard Guenther <rguenther@suse.de>
1832 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1835 2008-01-09 Richard Guenther <rguenther@suse.de>
1838 * tree.c (host_integerp): Check for sizetype only if the
1839 type is an integer type.
1841 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1844 * opts.c (decode_options): Disable inlining of functions called
1845 once if not in unit-at-a-time mode.
1847 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1849 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1851 2008-01-08 Richard Guenther <rguenther@suse.de>
1854 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1855 out early if the result will be unused.
1857 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1862 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1863 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1866 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1868 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1869 for vectorization tuned.
1871 2008-01-08 Richard Guenther <rguenther@suse.de>
1873 PR tree-optimization/34683
1874 * tree-ssa-operands.c (operand_build_cmp): Export.
1875 * tree-ssa-operands.h (operand_build_cmp): Declare.
1876 * tree-vn.c (vuses_compare): Remove.
1877 (sort_vuses): Use operand_build_cmp.
1878 (sort_vuses_heap): Likewise.
1879 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1880 to re-use old VEC if available. Do not sort already sorted VUSEs.
1881 (vdefs_to_vec): Do not sort already sorted VDEFs.
1883 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1886 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1888 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1891 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1892 limitations of reciprocal sequences on x86 targets.
1894 2008-01-08 Richard Guenther <rguenther@suse.de>
1896 PR tree-optimization/34683
1897 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1899 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1902 * config/darwin.c (darwin_mergeable_string_section): Don't use
1903 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1905 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1908 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1909 negxf2. Macroize expander using X87MODEF mode iterator. Change
1910 predicates of op0 and op1 to register_operand.
1911 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1912 expander using X87MODEF mode iterator. Change predicates of
1913 op0 and op1 to register_operand.
1914 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1915 corresponding patterns and macroize using MODEF macro. Change
1916 predicates of op0 and op1 to register_operand and remove
1917 "m" constraint. Disparage "r" alternative with "!".
1918 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1919 macroize using X87MODEF macro. Change predicates of op0 and op1
1920 to register_operand and remove "m" constraint. Disparage "r"
1921 alternative with "!".
1922 (absneg splitter with memory operands): Remove.
1923 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1924 patterns and macroize using X87MODEF mode iterator.
1925 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1926 Change predicate of op1 to register_operand.
1927 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1928 for memory operands.
1930 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1932 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1934 2008-01-07 Richard Guenther <rguenther@suse.de>
1936 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1939 2008-01-07 Richard Guenther <rguenther@suse.de>
1941 PR tree-optimization/34683
1942 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1943 VOPs of the needed size to save memory. Use VEC_quick_push
1944 to save compile-time.
1945 (vdefs_to_vec): Likewise.
1947 2008-01-07 Sa Liu <saliu@de.ibm.com>
1949 * config/spu/spu.md (divdf3): Genetate inline code for double
1950 division. The implementation doesn't handle INF or NAN, therefore it
1951 only applies when -ffinite-math-only is given.
1953 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1956 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1957 * doc/cpp.texi ([Common Predefined Macros]): Document.
1959 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1961 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1962 order to use commutative addition instead of subtraction.
1964 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1965 Mircea Namolaru <namolaru@il.ibm.com>
1966 Vladimir Yanovsky <yanov@il.ibm.com>
1967 Revital Eres <eres@il.ibm.com>
1969 PR tree-optimization/34263
1970 * tree-outof-ssa.c (process_single_block_loop_latch,
1971 contains_tree_r): New functions.
1972 (analyze_edges_for_bb): Call process_single_block_loop_latch
1973 function to empty single-basic-block latch block if possible.
1975 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1977 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1979 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1981 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1983 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1985 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1987 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1989 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1991 PR tree-optimization/34618
1992 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1995 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1998 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1999 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
2000 Update copyright year.
2002 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
2003 Update copyright year.
2004 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
2007 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
2009 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2010 edge does not point to current bb before changing need_assert.
2012 2008-01-04 Richard Guenther <rguenther@suse.de>
2015 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2016 for verifying purposes if they are is_gimple_min_invariant.
2018 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
2020 PR tree-optimization/34448
2021 PR tree-optimization/34465
2022 * gimplify.c (gimplify_init_constructor): Add new parameter
2023 notify_temp_creation. Use it.
2024 (gimplify_modify_expr_rhs): Take volatiles into account when
2025 optimizing constructors.
2026 Do not optimize constructors if gimplify_init_constructor will dump to
2028 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2029 * gcc.c-torture/compile/pr34448.c: New.
2031 2008-01-04 Jakub Jelinek <jakub@redhat.com>
2033 PR gcov-profile/34609
2034 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2035 return_slot if result is TREE_ADDRESSABLE.
2037 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
2039 * config/mips/mips.md (sqrt_condition): Tweak comment.
2040 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
2042 2008-01-03 Tom Tromey <tromey@redhat.com>
2045 * c-common.c (c_type_hash): Handle VLAs.
2047 2008-01-03 Jan Hubicka <jh@suse.cz>
2049 PR tree-optimization/31081
2050 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2051 0 when inlining and not inlining to first basic block.
2052 (remap_decl): When var is initialized to 0, don't set default_def.
2053 (expand_call_inline): Set entry_bb.
2054 * tree-inline.h (copy_body_data): Add entry_bb.
2056 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2059 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2062 PR tree-optimization/29484
2063 * tree-inline.c (inline_forbidden_p_2): New function.
2064 (inline_forbidden_p): Disallow inlining if some static var
2065 has an address of a local LABEL_DECL in its initializer.
2066 * doc/extend.texi (Labels as Values): Document &&foo behaviour
2069 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
2071 PR tree-optimization/34635
2072 * tree-data-ref.c (add_other_self_distances): Make sure that the
2073 evolution step is constant.
2075 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2078 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2080 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
2082 * tree-sra.c (scalarize_init): Insert the generate_element_init
2083 statements after the generate_element_zero statements.
2085 2008-01-02 Richard Guenther <rguenther@suse.de>
2089 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2090 for very large number of operands instead of ICEing.
2092 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
2095 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2096 while stack probing.
2098 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
2100 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2103 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
2106 * tree-mudflap.c (mx_register_decls): Guard warning by
2107 !DECL_ARTIFICIAL check.
2109 2008-01-01 Jakub Jelinek <jakub@redhat.com>
2111 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2112 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2113 sse5_perm<mode>): Fix constraints.