1 2008-02-19 Jan Hubicka <jh@suse.cz>
3 (tree_bb_level_predictions): Remove variable next mistakely introduced
6 2008-02-19 Jan Hubicka <jh@suse.cz>
8 * predict.c (predict_paths_leading_to): Rewrite.
9 (predict_paths_for_bb): New.
10 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
12 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15 * Makefile.in (build_file_translate): New.
16 (gcc-vers.texi): Use it for translating $(abs_srcdir).
17 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
18 * configure.ac (build_file_translate): Substitute it.
19 * configure: Regenerate.
21 2008-02-19 Jan Hubicka <jh@suse.cz>
23 PR rtl-optimization/34408
24 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
27 2008-02-19 Jan Hubicka <jh@suse.cz>
30 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
33 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
36 * config/i386/i386-modes.def: Revert the last DI alignment
37 change until Ada people can look into it.
39 2008-02-19 Nick Clifton <nickc@redhat.com>
41 * opts.c (print_specific_help): Fix typo in --help text.
43 2008-02-19 Jakub Jelinek <jakub@redhat.com>
46 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
47 32-bit inline asm without asm alternatives for host GCC < 3.0.
49 2008-02-19 Richard Guenther <rguenther@suse.de>
51 PR tree-optimization/34989
52 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
53 Allow propagation to INDIRECT_REF if we can simplify only.
55 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
57 * c-common.c (warn_for_collisions_1): Use appropriate option when
60 2008-02-19 Nick Clifton <nickc@redhat.com>
63 * opts.c (undocumented_msg): Leave blank unless checking is
65 (handle_options): Fix indentation.
66 (print_filtered_help): If no language-specific options were
67 displayed tell the user how to list all the options supported by
68 the language's front-end.
69 (print_specific_help): Fix indentation and remove duplicate line.
70 (common_handle_option): Handle the -v option.
71 For --help enable the display of undocumented options if the -v
72 switch has been included on the command line.
73 For --help= check for overlaps in the arguments between the option
74 classes and the language names and issue a warning when they
75 cannot be disambiguated.
76 * c.opt (v): Pass on to the common option handler.
78 2008-02-19 Revital Eres <eres@il.ibm.com>
80 * modulo-sched.c (sms_schedule): Change dump message when
81 create_ddg function fails.
82 (try_scheduling_node_in_cycle): Rename row to cycle.
83 (print_partial_schedule): Rename CYCLE to ROW.
85 2008-02-19 Christian Bruel <christian.bruel@st.com>
86 Zdenek Dvorak <ook@ucw.cz>
88 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
90 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
93 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
94 (*x86_movdicc_0_m1_se): Ditto.
96 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
99 (CMPtype): Define as __gcc_CMPtype.
100 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
101 (CMPtype): Define as __gcc_CMPtype.
103 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
105 Support valgrind 3.3 for --enable-checking=valgrind.
106 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
108 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
109 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
110 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
111 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
112 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
113 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
114 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
116 * ggc-zone.c: Similar.
117 * ggc-page.c: Similar.
119 2008-02-19 Paul Brook <paul@codesourcery.com>
122 * config/arm/ieee754-df.S: Fix do_it typo.
123 * config/arm/ieee754-sf.S: Fix do_it typo.
125 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
128 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
129 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
130 (OPTION_MASK_ISA_SSE_SET): Likewise.
131 (OPTION_MASK_ISA_SSE2_SET): Likewise.
132 (OPTION_MASK_ISA_SSE3_SET): Likewise.
133 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
134 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
135 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
136 (OPTION_MASK_ISA_SSE4_SET): Likewise.
137 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
138 (OPTION_MASK_ISA_SSE5_SET): Likewise.
139 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
140 (OPTION_MASK_ISA_MMX_UNSET): Updated.
141 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
142 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
143 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
144 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
145 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
146 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
147 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
148 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
149 (OPTION_MASK_ISA_SSE4): Removed.
150 (ix86_handle_option): Turn on bits in ix86_isa_flags and
151 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
153 (override_options): Don't turn on implied SSE/MMX bits in
156 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
158 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
161 2008-02-18 Joey Ye <joey.ye@intel.com>
164 * tree-nested.c (insert_field_into_struct): Set type alignment
165 to field alignment if the former is less than the latter.
167 2008-02-18 Jakub Jelinek <jakub@redhat.com>
169 * BASE-VER: Set to 4.4.0.
171 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
173 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
174 * doc/cfg.texi: Likewise.
175 * doc/extend.texi: Likewise.
176 * doc/gty.texi: Likewise.
177 * doc/invoke.texi: Likewise.
178 * doc/loop.texi: Likewise.
179 * doc/md.texi: Likewise.
180 * doc/passes.texi: Likewise.
181 * doc/rtl.texi: Likewise.
182 * doc/sourcebuild.texi: Likewise.
183 * doc/tm.texi: Likewise.
184 * doc/tree-ssa.texi: Likewise.
186 2008-02-17 Richard Guenther <rguenther@suse.de>
189 * tree-complex.c (init_parameter_lattice_values): Handle parameters
190 without default definition.
192 2008-02-17 Richard Guenther <rguenther@suse.de>
194 PR tree-optimization/35231
195 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
198 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
202 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
203 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
204 libgcc_cmp_return mode.
206 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
209 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
211 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
213 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
216 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
218 * doc/c-tree.texi: Use `@.' where appropriate.
219 * doc/extend.texi: Likewise.
220 * doc/install.texi: Likewise.
221 * doc/invoke.texi: Likewise.
222 * doc/loop.texi: Likewise.
223 * doc/makefile.texi: Likewise.
224 * doc/md.texi: Likewise.
225 * doc/passes.texi: Likewise.
226 * doc/standards.texi: Likewise.
227 * doc/tm.texi: Likewise.
229 2008-02-15 Jakub Jelinek <jakub@redhat.com>
232 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
234 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
235 rather than in entry_bb.
237 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
239 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
240 libgcc_cmp_return mode.
242 2008-02-15 Jakub Jelinek <jakub@redhat.com>
245 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
246 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
248 2008-02-15 Richard Guenther <rguenther@suse.de>
249 Zdenek Dvorak <ook@ucw.cz>
251 PR tree-optimization/35164
252 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
253 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
254 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
255 Only propagate addresses which do not have abnormal SSA_NAMEs
258 2008-02-15 Joseph Myers <joseph@codesourcery.com>
261 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
263 2008-02-15 Jan Hubicka <jh@suse.cz>
266 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
268 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
271 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
272 when calculating alignment_pad.
274 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
276 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
277 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
278 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
279 and STACK_BOUNDARY define.
281 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
283 PR preprocessor/35061
284 * c-pragma.c (handle_pragma_pop_macro): Check that
285 pushed_macro_table has been allocated.
287 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
290 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
291 (force_gimple_operand): Likewise.
292 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
293 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
294 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
295 (find_interesting_uses_address): Check addressability and alignment
296 of the base expression only after substituting bases of IVs into it.
298 2008-02-14 Michael Matz <matz@suse.de>
301 * function.c (instantiate_virtual_regs_in_insn): Reload address
302 before falling back to reloading the whole operand.
304 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
306 * config/s390/s390.c (s390_mainpool_start): Emit the pool
307 before the first section switch note.
309 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
311 * doc/bugreport.texi: Update copyright years.
312 * doc/c-tree.texi: Likewise.
313 * doc/cfg.texi: Likewise.
314 * doc/cpp.texi: Likewise.
315 * doc/cppinternals.texi: Likewise.
316 * doc/fragments.texi: Likewise.
317 * doc/frontends.texi: Likewise.
318 * doc/gcc.texi: Likewise.
319 * doc/gty.texi: Likewise.
320 * doc/hostconfig.texi: Likewise.
321 * doc/implement-c.texi: Likewise.
322 * doc/libgcc.texi: Likewise.
323 * doc/loop.texi: Likewise.
324 * doc/makefile.texi: Likewise.
325 * doc/options.texi: Likewise.
326 * doc/passes.texi: Likewise.
327 * doc/rtl.texi: Likewise.
328 * doc/sourcebuild.texi: Likewise.
329 * doc/standards.texi: Likewise.
330 * doc/tree-ssa.texi: Likewise.
331 * doc/trouble.texi: Likewise.
333 * doc/extend.texi: Use @: or add comma where appropriate.
334 * doc/invoke.texi: Likewise.
335 * doc/tm.texi: Likewise.
337 2008-02-14 Alan Modra <amodra@bigpond.net.au>
340 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
343 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
345 * doc/md.texi (clz, ctz): Add reference.
346 * doc/rtl.texi (clz, ctz): Likewise.
348 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
351 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
354 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
356 * config/s390/s390.c (struct constant_pool): New field
357 emit_pool_after added.
358 (s390_mainpool_start): Set the emit_pool_after flag according
359 to the section switch notes.
360 (s390_mainpool_finish): Consider emit_pool_after when emitting
361 the literal pool at the end of the function.
362 (s390_chunkify_start): Force literal pool splits at section
365 2008-02-13 Michael Matz <matz@suse.de>
368 * var-tracking.c (clobber_variable_part): Correctly traverse the
371 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
374 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
375 Add -fdump-ipa-inline.
376 * tree-dump.c (dump_files): Remove tree-inlined dump.
377 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
379 2008-02-12 Richard Guenther <rguenther@suse.de>
381 PR tree-optimization/35171
382 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
385 2008-02-12 Richard Guenther <rguenther@suse.de>
388 * fold-const.c (fold_widened_comparison): Use get_unwidened in
389 value-preserving mode. Disallow final truncation.
391 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
394 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
396 (force_gimple_operand): ...here.
398 2008-02-12 Jakub Jelinek <jakub@redhat.com>
401 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
402 non-compatible pointers.
403 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
404 different FIELD_DECLs, try harder by comparing field offsets, sizes
408 * function.c (match_asm_constraints_1): Don't replace the same input
411 2008-02-12 Anatoly Sokolov <aesok@post.ru>
413 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
414 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
415 (expand_epilogue): Restore RAMPZ register.
416 * config/avr/avr.md (RAMPZ_ADDR): New constant.
418 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
420 * config/i386/cygwin.asm: (__alloca): Correct calling
421 convention and alignment.
422 (__chkstk): Force 8 byte stack alignment.
424 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
425 Richard Guenther <rguenther@suse.de>
427 PR tree-optimization/33992
428 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
429 the zero we compare against.
431 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
434 * gthr-win32.h (__gthread_mutex_destroy_function): New function
435 to CloseHandle after unlocking to prevent accumulation of handle
438 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
441 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
442 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
443 and update LABEL_NUSES during and after reload.
445 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
448 * combine.c (simplify_if_then_else): Make sure the comparison is
449 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
451 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
454 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
455 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
456 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
457 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
458 * tree.h (get_type_static_bounds): Likewise.
460 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
462 * doc/invoke.texi (Option Summary, C++ Dialect Options)
463 (Objective-C and Objective-C++ Dialect Options, Warning Options):
464 Make -Wfoo language annotations match what the compiler outputs.
466 2008-02-08 Sa Liu <saliu@de.ibm.com>
468 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
469 intrinsics spu_convts, spu_convtu, spu_convtf.
470 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
472 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
474 * doc/extend.texi (Function Attributes) <noinline>: Mention
475 asm ("") as method to keep calls.
477 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
480 * doc/options.texi (Options): Replace references to opts.sh with
482 * opts-common.c: Likewise.
483 * optc-gen.awk: Likewise.
485 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
487 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
489 2008-02-07 Richard Henderson <rth@redhat.com>
492 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
493 EXPR_LIST for the REG_EQUAL instead of a comparison with a
496 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
498 PR tree-optimization/35085
499 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
500 for operand entry oe2 in addition to operand entry oe3 in order to
501 expose more opportunities for vectorizer sum reduction.
503 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
506 * Makefile.in (LIBS): Remove $(GMPLIBS).
507 (cc1-dummy, cc1): Add $(GMPLIBS).
509 2008-02-06 Jan Hubicka <jh@suse.cz>
512 * i386.md (moddf_integer): Do not produce partial memory stalls for
513 targets where it hurts.
515 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
518 * optabs.c (expand_float): Do not check for decimal modes when
519 expanding unsigned integer through signed conversion.
521 2008-02-06 Nick Clifton <nickc@redhat.com>
523 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
524 inside the clobber with a match_operand and duplicated operand
525 number in the constraint.
526 (ineqbranchsi): Delete redundant comment.
528 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
530 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
531 builtin_define ("__USE_INIT_FINI__").
532 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
534 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
536 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
538 PR documentation/30330
539 * doc/invoke.texi (C++ Dialect Options)
540 (Objective-C and Objective-C++ Dialect Options, Warning Options):
541 For each warning option -Wfoo that allows -Wno-foo, ensure both
542 -Wfoo and -Wno-foo are listed in the option index. Fix index
543 entry of -Wswitch-default, index -Wnormalized= including the
544 `=', and -Wlarger-than-@var{len} including @var{len}.
546 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
548 * config/i386/i386.md (floatunssisf2): Use
549 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
550 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
551 Macroize expander using MODEF mode iterator.
553 2008-02-05 Diego Novillo <dnovillo@google.com>
555 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
558 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
560 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
563 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
565 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
568 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
569 to indicate if a message should be generated.
570 (init_cumulative_args): Updated.
571 (function_value_32): Likewise.
573 2008-02-05 Joseph Myers <joseph@codesourcery.com>
575 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
577 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
580 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
581 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
583 2008-02-04 Diego Novillo <dnovillo@google.com>
585 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
588 * tree-vrp.c (vrp_evaluate_conditional): With
589 -Wtype-limits, emit a warning when comparing against a
590 constant outside the natural range of OP0's type.
592 2008-02-04 Richard Guenther <rguenther@suse.de>
595 * expr.c (count_type_elements): Give for unions instead of
598 2008-02-04 Richard Guenther <rguenther@suse.de>
601 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
602 to TYPE_DOMAINs base type instead of using bitsizetype here.
604 2008-02-03 Jason Merrill <jason@redhat.com>
606 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
608 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
611 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
612 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
613 (RS/6000 and PowerPC Options): Fix typos and markup.
614 * doc/passes.texi (Tree-SSA passes): Likewise.
616 2008-02-02 Michael Matz <matz@suse.de>
619 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
620 from record_last_reg_set_info.
621 (record_last_reg_set_info): Take an RTX argument, iterate over all
622 constituent hardregs.
623 (record_last_set_info, record_opr_changes): Change calls to
624 new signature or to record_last_reg_set_info_regno.
626 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
628 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
630 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
632 PR rtl-optimization/34773
633 * reg-notes.def (EQUAL): Mention significance of combination of
634 REG_EQUAL and REG_RETVAL.
635 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
636 insn that has a REG_RETVAL.
638 2008-02-01 Roger Sayle <roger@eyesopen.com>
641 * configure.ac (--enable-fixed-point): Disable unless explicitly
643 * configure: Regenerate.
645 2008-02-01 Richard Guenther <rguenther@suse.de>
648 * invoke.texi (-finline-limit): Remove no longer true parts
649 of the documentation. Note that there is no default value.
651 2008-02-01 Andrew Pinski <pinskia@gmail.com>
652 Mark Mitchell <mark@codesourcery.com>
653 Ben Elliston <bje@au.ibm.com>
656 * doc/extend.texi (Other Builtins): Document.
658 2008-01-31 Tom Browder <tom.browder@gmail.com>
660 * doc/c-tree.texi (Types): Fix grammar.
661 (Expression trees): Ditto.
662 * doc/passes.texi (Tree-SSA passes): Ditto.
664 * doc/configterms.texi (Configure Terms): Fix typo.
665 * doc/cpp.texi (Common Predefined Macros): Ditto.
666 * doc/md.texi (Machine Constraints): Ditto.
668 * doc/makefile.texi (Makefile): Add comma.
670 2008-01-31 Tom Browder <tom.browder@gmail.com>
671 Gerald Pfeifer <gerald@pfeifer.com>
673 * doc/sourcebuild.texi (Front End): Remove references to CVS
675 (Texinfo Manuals): Replace reference to CVS by one to SVN.
676 (Back End): Remove reference to CVS.
678 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
681 * config/mips/mips.c (gen_load_const_gp): New function, taking a
683 (mips16_gp_pseudo_reg): ...here.
684 * config/mips/mips.md (load_const_gp): Replace with...
685 (load_const_gp_<mode>): ...this :P-based insn.
687 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
689 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
690 options. Minor fixes.
691 (-std): Move reference to standards closer to where language
692 standards are first mentioned.
694 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
696 PR rtl-optimization/34995
697 * reload.c (alternative_allows_const_pool_ref): Take an rtx
698 parameter and return a bool. If the rtx parameter is nonnull,
699 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
700 (find_reloads): Update call accordingly. Pass the new operand
701 if it needed no address reloads, otherwise pass null.
703 2008-01-30 Richard Henderson <rth@redhat.com>
706 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
707 for unbounded arrays.
709 2008-01-30 Silvius Rus <rus@google.com>
711 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
713 2008-01-30 Jan Hubicka <jh@suse.cz>
716 * i386.c (init_cumulative_args): Use real function declaration when
719 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
721 PR rtl-optimization/34998
722 * global.c (build_insn_chain): Treat non-subreg_lowpart
723 SUBREGs of pseudos as clobbering all the words covered by the
724 SUBREG, not just all the bytes.
725 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
726 original df_ref rather than an extract parameter.
727 (global_conflicts): Update call accordingly.
729 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
731 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
732 the overflow check to make it easier to read.
733 (__fixtfdi): Change the type of the ll member in union
734 long_double to UDItype_x.
736 2008-01-30 Jakub Jelinek <jakub@redhat.com>
739 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
740 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
741 * tree-inline.c (fold_marked_statements): Call
742 cgraph_update_edges_for_call_stmt if folding a call statement.
743 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
744 debug_generic_stmt calls, reset it back afterwards.
747 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
749 * c-typeck.c (build_external_ref): Don't pedwarn about
750 static vars in current function's scope.
752 2008-01-29 Joseph Myers <joseph@codesourcery.com>
754 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
756 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
759 * ipa-struct-reorg.c: Fix spelling.
762 2008-01-29 Richard Guenther <rguenther@suse.de>
765 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
767 * tree-inline.c (remap_type): Increment remapping_type_depth
768 around remapping types.
769 (copy_body_r): Only add referenced variables if they are referenced
770 from code, not types.
772 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
783 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
784 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
786 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
789 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
790 pointer for tiny stack.
792 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
794 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
796 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
798 * config/vx-common.h: Fix typo in comment.
800 2008-01-28 Ian Lance Taylor <iant@google.com>
804 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
805 coalesce pointers if they have different DECL_NO_TBAA_P values.
806 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
807 between variables with different DECL_NO_TBAA_P values.
809 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
812 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
813 are not legitimate small data references on SPE targets.
815 2008-01-28 David Daney <ddaney@avtrex.com>
817 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
819 2008-01-28 David Daney <ddaney@avtrex.com>
821 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
823 2008-01-27 Joseph Myers <joseph@codesourcery.com>
825 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
826 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
827 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
828 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
829 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
830 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
831 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
832 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
834 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
836 * basic-block.h (condjump_equiv_p): Fix comment.
838 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
840 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
841 print_generic_stmt_indented): Fix comment.
843 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
845 * configure.ac (__stack_chk_fail): Add detecion for availability
846 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
847 * configure: Regenerate.
849 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
852 * final.c (output_addr_const): Handle TRUNCATE.
854 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
857 * tree-ssa-loop-ivopts.c (comp_cost): New type.
858 (zero_cost, infinite_cost): New constants.
859 (struct cost_pair): Change type of cost to comp_cost.
860 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
861 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
863 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
864 split_address_cost, ptr_difference_cost, difference_cost,
865 get_computation_cost_at, get_computation_cost,
866 determine_use_iv_cost_generic, determine_use_iv_cost_address,
867 determine_use_iv_cost_condition, determine_use_iv_costs,
868 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
869 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
870 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
871 Change type of cost to comp_cost.
872 (determine_iv_cost): Increase cost of non-original ivs, instead
873 of decreasing the cost of original ones.
874 (get_address_cost): Indicate the complexity of the addressing mode
876 (try_add_cand_for): Prefer using ivs not specific to some object.
877 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
879 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
880 Janis Johnson <janis187@us.ibm.com>
883 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
884 (TARGET_INSTANTIATE_DECLS): Likewise.
885 * target.h (expand_to_rtl_hook): New target hook.
886 (instantiate_decls): Likewise.
887 * function.c (instantiate_decl): Make non-static. Rename to...
888 (instantiate_decl_rtl): ... this.
889 (instantiate_expr): Use instantiate_decl_rtl.
890 (instantiate_decls_1): Likewise.
891 (instantiate_decls): Likewise.
892 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
893 * function.h (instantiate_decl_rtl): Add prototype.
894 * cfgexpand.c (target.h): New include.
895 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
896 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
897 (TARGET_INSTANTIATE_DECLS): Likewise.
898 (TARGET_INITIALIZER): New target hooks added.
899 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
901 * config/rs6000/rs6000.c (tree-flow.h): New include.
902 (machine_function): Add sdmode_stack_slot field.
903 (rs6000_alloc_sdmode_stack_slot): New function.
904 (rs6000_instantiate_decls): Likewise.
905 (rs6000_secondary_memory_needed_rtx): Likewise.
906 (rs6000_check_sdmode): Likewise.
907 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
908 (TARGET_INSTANTIATE_DECLS): Likewise.
909 (rs6000_hard_regno_mode_ok): Allow SDmode.
910 (num_insns_constant): Likewise. Handle _Decimal32 constants.
911 (rs6000_emit_move): Handle SDmode.
912 (function_arg_advance): Likewise.
913 (function_arg): Likewise.
914 (rs6000_gimplify_va_arg): Likewise. Add special handling of
915 SDmode var args for 32-bit compiles.
916 (rs6000_secondary_reload_class): Handle SDmode.
917 (rs6000_output_function_epilogue): Likewise.
918 (rs6000_function_value): Simplify if statement.
919 (rs6000_libcall_value): Likewise.
920 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
921 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
922 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
923 (movsd_hardfloat): New define_insn.
924 (movsd_softfloat): Likewise.
925 (movsd_store): Likewise.
926 (movsd_load): Likewise.
927 (extendsddd2): Likewise.
928 (extendsdtd2): Likewise.
929 (truncddsd2): Likewise.
930 (movdd_hardfloat64): Fixup comment.
931 (UNSPEC_MOVSD_LOAD): New constant.
932 (UNSPEC_MOVSD_STORE): Likewise.
934 2008-01-26 Jakub Jelinek <jakub@redhat.com>
937 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
939 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
940 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
941 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
944 2008-01-26 David Edelsohn <edelsohn@gnu.org>
947 * config.gcc: Separate AIX 5.3 from AIX 6.1.
948 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
950 * config/rs6000/aix61.h: New file.
952 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
954 PR rtl-optimization/34959
955 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
956 popcount and parity rtxes the same mode as their operand.
957 Truncate or extend the result to the return value's mode
960 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
963 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
964 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
965 to GOT_VERSION_REGNUM.
966 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
967 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
968 * config/mips/mips.c (mips_emit_call_insn): New function.
969 (mips_call_tls_get_addr): Call mips_expand_call directly.
970 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
972 (mips16_build_call_stub): Likewise. Return the call insn or null.
973 (mips_expand_call): Update the call to mips16_build_call_stub
974 accordingly and a remove redundant condition. Assert that MIPS16
975 stubs do not use lazy binding. Use mips_emit_call_insn and return
977 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
979 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
980 (mips_avoid_hazard): Remove hazard_set handling.
981 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
982 (UNSPEC_RESTORE_GP): ...this.
983 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
984 (FAKE_CALL_REGNO): Rename to...
985 (GOT_VERSION_REGNUM): ...this.
986 (type): Add "ghost" value. Add an associated insn reservation.
987 (hazard_set): Remove.
988 (exception_receiver): Rename to...
989 (restore_gp): ...this and update the unspec identifier accordingly.
990 (exception_receiver, nonlocal_got_receiver): New expanders.
991 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
992 FAKE_CALL_REGNO. Remove hazard_set attribute.
993 (set_got_version, update_got_version): New patterns.
995 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
998 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1000 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1003 * doc/install.texi2html: Generate gcc-vers.texi.
1005 2008-01-25 DJ Delorie <dj@redhat.com>
1007 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1009 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1011 * config/c4x: Remove directory.
1012 * config.gcc (crx-*, mt-*): Mark obsolete.
1013 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1014 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
1015 sh-*-rtemscoff*): Remove cases.
1016 * defaults.h (C4X_FLOAT_FORMAT): Remove.
1017 * real.c (encode_c4x_single, decode_c4x_single,
1018 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
1019 c4x_extended_format): Remove.
1020 * real.h (c4x_single_format, c4x_extended_format): Remove.
1021 * doc/extend.texi (interrupt, naked): Remove mention of attributes
1023 (Pragmas): Remove comment about c4x pragmas.
1024 * doc/install.texi (c4x): Remove target-specific instructions.
1025 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
1026 * doc/md.texi (Machine Constraints): Remove C4x documentation.
1027 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
1028 refer to C4x source files as examples.
1029 (C4X_FLOAT_FORMAT): Remove documentation.
1031 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
1033 * config/bfin/bfin.c (override_options): Reorder tests so that
1034 flag_pic gets enabled for -msep-data.
1036 2008-01-25 Richard Guenther <rguenther@suse.de>
1039 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1040 to its bitfield precision if required.
1042 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1045 * tree-nested.c (walk_omp_for): New function.
1046 (convert_nonlocal_reference, convert_local_reference): Call
1047 walk_omp_for on OMP_FOR.
1048 (convert_call_expr): Call walk_body on OMP_FOR's
1049 OMP_FOR_PRE_INIT_BODY.
1051 2008-01-25 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/34966
1054 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1055 default defs and PHI_NODEs we have to insert after the
1058 2008-01-24 Nick Clifton <nickc@redhat.com>
1060 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1061 Provide a default definition.
1062 (LIBGCC2_UNITS_PER_WORD): Likewise.
1064 * config/stormy16/stormy16.c: Include df.h for the prototype
1065 for df_regs_ever_live_p.
1066 (xstormy16_expand_builtin_va_start): Convert the stack offset
1067 into a component_ref and then use POINTER_PLUS_EXPR to add it
1068 to the incoming_virtual_args_rtx.
1069 (xstormy16_gimplify_va_arg_expr): Rename to
1070 xstormy16_gimplify_va_arg_expr.
1071 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1072 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1073 xstormy16_gimplify_va_arg_expr.
1074 Fix up some formatting issues.
1076 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1077 Move to predicates.md.
1078 (xs_hi_general_operand): Likewise.
1079 (xs_hi_nonmemory_operand): Likewise.
1080 * config/stormy16/predicates.md:
1081 (xstormy16_carry_plus_operand): New predicate.
1082 (xs_hi_general_operand): New predicate.
1083 (xs_hi_nonmemory_operand): New predicate.
1084 * config/stormy16/stormy16-protos.h:
1085 (xstormy16_carry_plus_operand): Delete prototype.
1086 (xs_hi_general_operand): Likewise.
1087 (xs_hi_nonmemory_operand): Likewise.
1089 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1090 modifiers as they are no longer needed and they can trigger
1091 reload spill failures.
1093 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1094 with a match_operand in order to help reload.
1096 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1097 constraint with 'e' for the 8th alternative as this version of
1098 the mov.w instruction only accepts the lower 8 registers.
1100 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
1103 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1104 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1107 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1110 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1112 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1114 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1116 (remove_structure): Update allocations list before removing structure.
1118 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1120 * ipa-struct-reorg.c (is_safe_cond_expr,
1121 create_new_stmts_for_cond_expr): Use integer_zerop function,
1122 that recognize not only zero-pointer, but zero-integer too.
1124 2008-01-25 Ben Elliston <bje@au.ibm.com>
1127 * fixproto: Escape "." in sed expression that strips leading "./".
1129 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
1132 * gcc.c (SWITCH_OK): Removed.
1133 (SWITCH_LIVE): Changed to bit.
1134 (SWITCH_FALSE): Likewise.
1135 (SWITCH_IGNORE): Likewise.
1136 (switchstr): Change live_cond to unsigned int.
1137 (process_command): Replace SWITCH_OK with 0.
1138 (do_self_spec): Likewise.
1139 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1140 (give_switch): Likewise.
1141 (used_arg): Likewise.
1142 (do_spec_1): Set the SWITCH_IGNORE bit.
1143 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1144 bits. Set the SWITCH_LIVE bit.
1146 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
1148 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1150 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
1152 PR tree-optimization/34472
1153 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1154 parameter to a "bool *" and set *DATA to false if there is
1155 an unsafe access. Do not delete the structure here.
1156 (check_cond_exprs): Delete it here instead.
1157 (check_cond_exprs, exclude_cold_structs): Do not increase
1158 I when removing a structure.
1160 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
1163 * config/i386/i386.c (ix86_expand_vector_init): Consider only
1164 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1166 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
1169 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1170 a fixed vector for stack.
1172 2008-01-24 Ben Elliston <bje@au.ibm.com>
1175 * doc/gcc.texi (Software development): Add a direntry for g++.
1177 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
1179 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1180 stale and straggling -fforce-addr comments above.
1182 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1184 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1185 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1187 2008-01-23 Michael Matz <matz@suse.de>
1190 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1193 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1195 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1198 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1200 * config/avr/avr.c (avr_current_arch): New variable.
1201 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1202 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1203 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1204 (avr_override_options): Init 'avr_current_arch'.
1205 (base_arch_s): Move from here...
1206 * config/avr/avr.h (base_arch_s): ... here. Add new members
1207 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1208 'mega' to 'have_jmp_call'.
1209 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1210 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1212 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1214 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1215 MULTILIB_MATCHES): (Ditto.).
1217 2008-01-23 Richard Guenther <rguenther@suse.de>
1220 * cgraphunit.c (cgraph_reset_node): Always mark the node
1221 not reachable if it is not queued already.
1223 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1225 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1226 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1227 (cputype_selected): New static variable.
1228 (bfin_handle_option): Set it if -mcpu is used.
1229 (override_option): Select default set of workarounds if no cpu type
1230 selected on the command line.
1231 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1233 From Michael Frysinger <michael.frysinger@analog.com>
1234 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1235 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1237 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1238 for bf547, bf523, bf524, and bf526.
1239 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1241 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1242 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1243 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1244 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1245 * doc/invoke.texi (Blackfin Options): Document that
1246 -mcpu now accept bf547, bf523, bf524, and bf526.
1248 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1250 PR rtl-optimization/34628
1251 * combine.c (try_combine): Stop and undo after the first combination
1252 if an autoincrement side-effect on the first insn has effectively
1255 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1258 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1259 Offset addresses are not valid for Altivec or paired float modes.
1261 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1264 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1265 if DECL_INITIAL (decl) is error_mark_node.
1268 * c-common.c (handle_vector_size_attribute): Only allow
1269 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1270 the same way as pointer, array etc. types.
1271 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1274 * tree.c (build_type_attribute_qual_variant): Call
1275 build_qualified_type if attributes are equal, but quals are not.
1277 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1280 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1281 * flags.h (warn_strict_aliasing): Remove.
1282 (warn_strict_overflow): Remove.
1283 * opts.c (warn_strict_aliasing): Remove.
1284 (warn_strict_overflow): Remove.
1285 * c-opts.c (c_common_handle_option): -Wall only sets
1286 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1287 (c_common_post_options): Give default values to -Wstrict-aliasing
1288 and -Wstrict-overflow if they are uninitialized.
1289 * common.opt (Wstrict-aliasing): Specify Var and Init.
1290 (Wstrict-overflow): Likewise.
1292 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1294 PR rtl-optimization/26854
1295 PR rtl-optimization/34400
1296 PR rtl-optimization/34884
1297 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1299 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1300 (df_rd_bb_info.expanded_lr_out): Deleted
1301 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1302 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1303 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1304 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1305 Removed code to allocate, initialize or free expanded_lr_out.
1306 (df_rd_bb_local_compute_process_def): Restructured to make more
1308 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1309 sets if the sets are being trimmed.
1311 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1314 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1315 (as_vers): Likewise.
1316 * configure: Regenerated.
1318 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1321 * tree-pass.h (pass_build_alias): New pass.
1322 * tree-ssa-alias.c (gate_build_alias): New.
1323 (pass_build_alias): New.
1324 * passes.c (init_optimization_passes): Add pass_build_alias after
1325 pass_create_structure_vars.
1327 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1329 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1330 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1331 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1332 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1333 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1334 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1335 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1336 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1337 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1338 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1339 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1340 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1341 * config/s390/s390.md (FP_ALL): New mode iterator.
1342 (_d): New mode attribute.
1343 ("*signbit<mode>2>"): Changed mode of first operand.
1344 ("isinf<mode>2"): Changed mode of first operand.
1345 ("*TDC_insn"): Adaptation for DFP modes.
1347 2008-01-22 Ben Elliston <bje@au.ibm.com>
1349 * tree.c (check_qualified_type): Improve function description.
1351 2008-01-21 Jason Merrill <jason@redhat.com>
1354 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1355 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1358 2008-01-21 DJ Delorie <dj@redhat.com>
1360 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1363 2008-01-21 Richard Guenther <rguenther@suse.de>
1366 * tree-cfg.c (verify_expr): Allow all invariant expressions
1367 instead of just constant class ones as reference argument.
1368 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1369 like any other constant.
1370 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1372 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1374 * regmove.c (fixup_match_1): Update call crossed frequencies.
1376 2008-01-21 Richard Guenther <rguenther@suse.de>
1379 * tree-inline.c (setup_one_parameter): Deal with mismatched
1380 types using a VIEW_CONVERT_EXPR.
1382 2008-01-21 Alon Dayan <alond@il.ibm.com>
1383 Olga Golovanevsky <olga@il.ibm.com>
1385 PR tree-optimization/34701
1386 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1387 when the structure size is not a power of 2.
1389 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1391 * doc/install.texi: Add doc for --enable-checking=df.
1393 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1395 PR rtl-optimization/34808
1396 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1398 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1400 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1403 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1405 PR rtl-optimization/26854
1406 PR rtl-optimization/34400
1407 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1409 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1410 (df_rd_bb_info.expanded_lr_out): New.
1411 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1412 * loop_iv.c (iv_analysis_loop_init): Ditto.
1413 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1414 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1415 Added code to allocate, initialize or free expanded_lr_out.
1416 (df_rd_bb_local_compute_process_def): Restructured to make
1417 more understandable.
1418 (df_rd_confluence_n): Add code to do nothing with fake edges and
1419 code to no apply invalidate_by_call sets if the sets are being trimmed.
1420 (df_lr_local_finalize): Renamed to df_lr_finalize.
1421 (df_live_local_finalize): Renamed to df_live_finalize.
1423 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1426 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1427 deciding whether to use reciprocal instructions.
1429 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1431 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1432 dwarf2out_note_section_used if cold_text_section is NULL.
1434 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1436 PR gcov-profile/34610
1437 * tree-cfg.c (make_edges): Mark both outgoing edges from
1438 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1439 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1440 from OMP_FOR and OMP_CONTINUE outgoing edges.
1442 * tree-profile.c (tree_profiling): Return early if
1443 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1445 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1446 from cfun to child_cfun.
1447 * function.h (struct function): Add after_tree_profile bit.
1449 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1451 * config/avr/avr.S (_exit): Disable interrupt.
1453 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1454 Steven Bosscher <stevenb.gcc@gmail.com>
1456 PR rtl-optimization/26854
1457 PR rtl-optimization/34400
1458 * df-problems.c (df_live_scratch): New scratch bitmap.
1459 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1460 (df_live_reset): Clear the proper bitmaps.
1461 (df_live_bb_local_compute): Only process the artificial defs once
1462 since the order is not important.
1463 (df_live_init): Init the df_live sets only with the variables
1464 found live by df_lr.
1465 (df_live_transfer_function): Use the df_lr sets to prune the
1466 df_live sets as they are being computed.
1467 (df_live_free): Free df_live_scratch.
1469 2008-01-18 Ian Lance Taylor <iant@google.com>
1471 * common.opt: Add fmerge-debug-strings.
1472 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1473 flag_merge_debug_strings rather than flag_merge_constants.
1474 * doc/invoke.texi (Option Summary): Mention
1475 -fmerge-debug-strings.
1476 (Debugging Options): Document -fmerge-debug-strings.
1478 2008-01-18 Ian Lance Taylor <iant@google.com>
1481 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1482 (struct tree_function_decl): Add new field operator_new_flag.
1483 * tree-inline.c (expand_call_inline): When inlining a call to
1484 operator new, force the return value to go into a variable, and
1485 set DECL_NO_TBAA_P on that variable.
1486 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1488 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1491 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1492 DWARF2_DEBUGGING_INFO.
1493 (dwarf2out_note_section_used): Ditto. Add prototype.
1494 (have_multiple_function_sections, text_section_used,
1495 cold_text_section_used, *cold_text_sections): Move declarations
1498 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1500 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1501 field and add signal_ra.
1502 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1503 assignments to frame state pc. Move end of stack check after
1504 MD_FALLBACK_FRAME_STATE_FOR.
1505 (uw_update_context_1): Use frame state signal_regs if set, instead
1506 of checking signal_frame flag.
1507 (uw_update_context): Use frame state signal_ra if set.
1508 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1509 * config/xtensa/linux-unwind.h: New file.
1511 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1513 * modulo-sched.c (get_sched_window): Fix comment typo.
1515 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1517 PR tree-optimization/34648
1518 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1520 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1522 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1523 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1525 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1527 PR rtl-optimization/34400
1528 * df-core.c (df_worklist_dataflow_overeager,
1529 df_worklist_dataflow_doublequeue): New functions.
1530 (df_worklist_dataflow): Two different worklist solvers.
1531 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1534 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1537 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1538 and ftree-parallelize-loops.
1540 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1542 PR rtl-optimization/34826
1543 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1545 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1547 * global.c (find_reg): Mark the eh regs as used if necessary.
1548 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1549 * ra.h (struct allocno): no_eh_reg field added. Changed
1550 no_stack_reg type to bitfield.
1552 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1554 * tree.c (substitute_in_expr): Add missing 'break'.
1556 2008-01-17 Richard Guenther <rguenther@suse.de>
1558 PR tree-optimization/34825
1559 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1560 x / x as division to handle.
1562 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1564 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1565 "-pthread" is specified.
1566 * pa-hpux11.h (LIB_SPEC): Likewise.
1568 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1569 Peter Bergner <bergner@vnet.ibm.com>
1571 PR rtl-optimization/33796
1572 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1574 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1576 PR libgfortran/34699
1577 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1579 * pa-hpux10.h (LINK_SPEC): Likewise.
1580 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1582 2008-01-16 Richard Guenther <rguenther@suse.de>
1585 * fold-const.c (fold_convert_const_int_from_int): Do not
1586 set overflow if that occured only because of a sign extension
1587 change when converting from/to a sizetype with the same
1588 precision and signedness.
1590 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1593 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1594 location address to the correct place. Update copyright year.
1596 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1598 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1599 no dependences in the dependence_relations vector.
1601 2008-01-16 Jan Hubicka <jh@suse.cz>
1603 PR rtl-optimization/31396
1604 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1605 * cfg.c (dump_reg_info): Print it.
1606 * regs.h (struct reg_info_t): add freq_calls_crossed.
1607 (REG_FREQ_CALLS_CROSSED): New macro.
1608 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1609 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1610 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1611 regmove_optimize): Update call crossed frequencies.
1612 * local-alloc.c (struct qty): Add freq_calls_crossed.
1613 (alloc_qty): Copute freq_calls_crossed.
1614 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1615 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1616 * ra.h (struct allocno): Add freq_calls_crossed.
1618 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1620 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1621 libgomp when compiling with ftree-parallelize-loops.
1622 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1624 2008-01-16 Richard Guenther <rguenther@suse.de>
1626 PR tree-optimization/34769
1627 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1628 * tree.c (int_cst_value): Instead make this function more
1629 permissive in what it accepts as valid input. Document this
1630 function always sign-extends the value.
1632 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1633 Richard Guenther <rguenther@suse.de>
1636 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1637 (gimple_fold_indirect_ref_rhs): ... this.
1638 (gimple_fold_indirect_ref): New function with foldings
1639 that preserve lvalueness.
1640 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1641 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1642 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1643 to fold an INDIRECT_REF, fall back to the old use of
1644 fold_indirect_ref_1.
1646 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1648 * tree-data-ref.c (subscript_dependence_tester_1): Call
1649 free_conflict_function.
1650 (compute_self_dependence): Same.
1652 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1655 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1656 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1658 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1659 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1660 for DWARF2_UNWIND_INFO targets.
1662 2008-01-16 Richard Guenther <rguenther@suse.de>
1665 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1666 type qualifiers for function types.
1668 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1670 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1671 loop_iterator li from previous commit.
1673 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1675 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1677 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1679 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1680 (parallelize_loops): Don't parallelize irreducible components.
1682 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1685 * c-opts (c_common_post_options): Do not enable CPP
1686 flag_pedantic_errors by default.
1688 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1690 PR rtl-optimization/31944
1691 * cse.c (remove_pseudo_from_table): New function.
1692 (merge_equiv_classes): Use above function to remove pseudo-registers.
1693 (invalidate): Likewise.
1695 2008-01-13 Richard Guenther <rguenther@suse.de>
1698 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1699 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1701 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1703 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1704 validate_change to unshare the source of the PC set.
1706 2008-01-12 Jan Hubicka <jh@suse.cz>
1709 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1710 references above array bounds. This might trigger bounds checks for
1713 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1715 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1716 new_replaceable_dependencies.
1718 2008-01-12 Doug Kwan <dougkwan@google.com>
1720 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1721 instead of OPT_Wreturn_type in warning due to ignored return type
1723 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1724 options included in -Wextra.
1725 * c.opt: New option -Wignored_qualifiers.
1726 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1727 -Wignore_qualifiers.
1728 (-Wignored-qualifiers): Document.
1729 (-Wreturn-type): Remove description of functionality now handled
1730 by -Wignored-qualifiers.
1732 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1735 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1736 NOP_EXPR if it is between integral types with the same precision.
1738 2008-01-12 Jan Hubicka <jh@suse.cz>
1741 * invoke.texi (max-inline-recursive-depth): Fix default value.
1743 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1745 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1748 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1750 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1752 2008-01-11 James E. Wilson <wilson@specifix.com>
1755 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1757 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1759 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1760 save/restore frame pointer register and don't use 'call-prologues'
1761 optimization in function with "OS_task" attribute.
1763 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1766 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1767 when copying to memory.
1769 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1771 PR rtl-optimization/30905
1772 * cfgcleanup.c: Include dce.h
1773 (crossjumps_occured): New global variable.
1774 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1775 If something changed, set crossjumps_occured to true.
1776 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1777 Don't add/remove fake edges to exit here...
1778 (cleanup_cfg): ...but do it here, when crossjumping.
1779 Run a fast DCE when successful crossjumps occured in the latest
1780 iteration of try_optimize_cfg.
1782 2008-01-11 Richard Guenther <rguenther@suse.de>
1784 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1785 (struct vn_unary_op_s): Likewise.
1786 (vn_reference_insert): Free old reference on hash collision.
1788 2008-01-10 Raksit Ashok <raksit@google.com>
1790 PR rtl-optimization/27971
1791 * combine.c (find_split_point): Split PLUS expressions which are
1792 inside a MEM rtx, and whose first operand is complex.
1794 2008-01-10 DJ Delorie <dj@redhat.com>
1796 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1797 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1798 (m32c_hard_regno_ok): Call the underlying function.
1800 2008-01-10 Richard Guenther <rguenther@suse.de>
1803 * tree-cfg.c (tree_merge_blocks): Do not go through the
1804 full-blown folding and stmt updating path if we just deal
1805 with virtual operands.
1806 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1807 test for abnormal SSA_NAMEs.
1809 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1812 * reload.c (push_reload): Add assertions. All constants from
1813 reg_equiv_constant should have been used for replacing the respective
1815 (find_reloads_address): Invoke find_reloads_address_part for
1816 constant taken from the reg_equiv_constant array.
1818 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1820 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1821 field (valnum) the first in the struct. Replace bools with
1824 2008-01-10 Richard Guenther <rguenther@suse.de>
1826 PR tree-optimization/34651
1827 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1828 types and ordering for masking and converting.
1830 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1832 PR tree-optimization/34017
1833 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1834 also for PHI_NODE expressions.
1836 2008-01-09 Jan Hubicka <jh@suse.cz>
1838 PR tree-optimization/34708
1839 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1840 based on number of case labels.
1841 (init_inline_once): Remove switch_cost.
1842 * tree-inline.h (eni_weights_d): Remove switch_cost.
1844 2008-01-09 Richard Guenther <rguenther@suse.de>
1845 Andrew Pinski <andrew_pinski@playstation.sony.com>
1848 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1849 temporary if an rvalue is ok or an lvalue is not required.
1851 2008-01-09 Richard Guenther <rguenther@suse.de>
1854 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1857 2008-01-09 Richard Guenther <rguenther@suse.de>
1860 * tree.c (host_integerp): Check for sizetype only if the
1861 type is an integer type.
1863 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1866 * opts.c (decode_options): Disable inlining of functions called
1867 once if not in unit-at-a-time mode.
1869 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1871 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1873 2008-01-08 Richard Guenther <rguenther@suse.de>
1876 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1877 out early if the result will be unused.
1879 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1884 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1885 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1888 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1890 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1891 for vectorization tuned.
1893 2008-01-08 Richard Guenther <rguenther@suse.de>
1895 PR tree-optimization/34683
1896 * tree-ssa-operands.c (operand_build_cmp): Export.
1897 * tree-ssa-operands.h (operand_build_cmp): Declare.
1898 * tree-vn.c (vuses_compare): Remove.
1899 (sort_vuses): Use operand_build_cmp.
1900 (sort_vuses_heap): Likewise.
1901 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1902 to re-use old VEC if available. Do not sort already sorted VUSEs.
1903 (vdefs_to_vec): Do not sort already sorted VDEFs.
1905 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1908 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1910 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1913 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1914 limitations of reciprocal sequences on x86 targets.
1916 2008-01-08 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/34683
1919 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1921 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1924 * config/darwin.c (darwin_mergeable_string_section): Don't use
1925 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1927 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1930 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1931 negxf2. Macroize expander using X87MODEF mode iterator. Change
1932 predicates of op0 and op1 to register_operand.
1933 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1934 expander using X87MODEF mode iterator. Change predicates of
1935 op0 and op1 to register_operand.
1936 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1937 corresponding patterns and macroize using MODEF macro. Change
1938 predicates of op0 and op1 to register_operand and remove
1939 "m" constraint. Disparage "r" alternative with "!".
1940 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1941 macroize using X87MODEF macro. Change predicates of op0 and op1
1942 to register_operand and remove "m" constraint. Disparage "r"
1943 alternative with "!".
1944 (absneg splitter with memory operands): Remove.
1945 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1946 patterns and macroize using X87MODEF mode iterator.
1947 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1948 Change predicate of op1 to register_operand.
1949 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1950 for memory operands.
1952 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1954 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1956 2008-01-07 Richard Guenther <rguenther@suse.de>
1958 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1961 2008-01-07 Richard Guenther <rguenther@suse.de>
1963 PR tree-optimization/34683
1964 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1965 VOPs of the needed size to save memory. Use VEC_quick_push
1966 to save compile-time.
1967 (vdefs_to_vec): Likewise.
1969 2008-01-07 Sa Liu <saliu@de.ibm.com>
1971 * config/spu/spu.md (divdf3): Genetate inline code for double
1972 division. The implementation doesn't handle INF or NAN, therefore it
1973 only applies when -ffinite-math-only is given.
1975 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1978 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1979 * doc/cpp.texi ([Common Predefined Macros]): Document.
1981 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1983 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1984 order to use commutative addition instead of subtraction.
1986 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1987 Mircea Namolaru <namolaru@il.ibm.com>
1988 Vladimir Yanovsky <yanov@il.ibm.com>
1989 Revital Eres <eres@il.ibm.com>
1991 PR tree-optimization/34263
1992 * tree-outof-ssa.c (process_single_block_loop_latch,
1993 contains_tree_r): New functions.
1994 (analyze_edges_for_bb): Call process_single_block_loop_latch
1995 function to empty single-basic-block latch block if possible.
1997 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1999 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2001 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2003 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2005 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2007 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2009 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2011 2008-01-05 Jakub Jelinek <jakub@redhat.com>
2013 PR tree-optimization/34618
2014 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
2017 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2020 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
2021 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
2022 Update copyright year.
2024 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
2025 Update copyright year.
2026 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
2029 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
2031 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2032 edge does not point to current bb before changing need_assert.
2034 2008-01-04 Richard Guenther <rguenther@suse.de>
2037 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2038 for verifying purposes if they are is_gimple_min_invariant.
2040 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
2042 PR tree-optimization/34448
2043 PR tree-optimization/34465
2044 * gimplify.c (gimplify_init_constructor): Add new parameter
2045 notify_temp_creation. Use it.
2046 (gimplify_modify_expr_rhs): Take volatiles into account when
2047 optimizing constructors.
2048 Do not optimize constructors if gimplify_init_constructor will dump to
2050 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2051 * gcc.c-torture/compile/pr34448.c: New.
2053 2008-01-04 Jakub Jelinek <jakub@redhat.com>
2055 PR gcov-profile/34609
2056 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2057 return_slot if result is TREE_ADDRESSABLE.
2059 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
2061 * config/mips/mips.md (sqrt_condition): Tweak comment.
2062 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
2064 2008-01-03 Tom Tromey <tromey@redhat.com>
2067 * c-common.c (c_type_hash): Handle VLAs.
2069 2008-01-03 Jan Hubicka <jh@suse.cz>
2071 PR tree-optimization/31081
2072 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2073 0 when inlining and not inlining to first basic block.
2074 (remap_decl): When var is initialized to 0, don't set default_def.
2075 (expand_call_inline): Set entry_bb.
2076 * tree-inline.h (copy_body_data): Add entry_bb.
2078 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2081 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2084 PR tree-optimization/29484
2085 * tree-inline.c (inline_forbidden_p_2): New function.
2086 (inline_forbidden_p): Disallow inlining if some static var
2087 has an address of a local LABEL_DECL in its initializer.
2088 * doc/extend.texi (Labels as Values): Document &&foo behaviour
2091 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
2093 PR tree-optimization/34635
2094 * tree-data-ref.c (add_other_self_distances): Make sure that the
2095 evolution step is constant.
2097 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2100 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2102 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
2104 * tree-sra.c (scalarize_init): Insert the generate_element_init
2105 statements after the generate_element_zero statements.
2107 2008-01-02 Richard Guenther <rguenther@suse.de>
2111 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2112 for very large number of operands instead of ICEing.
2114 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
2117 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2118 while stack probing.
2120 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
2122 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2125 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
2128 * tree-mudflap.c (mx_register_decls): Guard warning by
2129 !DECL_ARTIFICIAL check.
2131 2008-01-01 Jakub Jelinek <jakub@redhat.com>
2133 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2134 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2135 sse5_perm<mode>): Fix constraints.