1 2008-02-20 Ira Rosen <irar@il.ibm.com>
3 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
7 2008-02-19 Jan Hubicka <jh@suse.cz>
9 * predict.c (tree_bb_level_predictions): Remove variable next
10 mistakely introduced by previous commit.
12 2008-02-19 Jan Hubicka <jh@suse.cz>
14 * predict.c (predict_paths_leading_to): Rewrite.
15 (predict_paths_for_bb): New.
16 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
18 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
21 * Makefile.in (build_file_translate): New.
22 (gcc-vers.texi): Use it for translating $(abs_srcdir).
23 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
24 * configure.ac (build_file_translate): Substitute it.
25 * configure: Regenerate.
27 2008-02-19 Jan Hubicka <jh@suse.cz>
29 PR rtl-optimization/34408
30 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
33 2008-02-19 Jan Hubicka <jh@suse.cz>
36 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
39 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
42 * config/i386/i386-modes.def: Revert the last DI alignment
43 change until Ada people can look into it.
45 2008-02-19 Nick Clifton <nickc@redhat.com>
47 * opts.c (print_specific_help): Fix typo in --help text.
49 2008-02-19 Jakub Jelinek <jakub@redhat.com>
52 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
53 32-bit inline asm without asm alternatives for host GCC < 3.0.
55 2008-02-19 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/34989
58 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
59 Allow propagation to INDIRECT_REF if we can simplify only.
61 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
63 * c-common.c (warn_for_collisions_1): Use appropriate option when
66 2008-02-19 Nick Clifton <nickc@redhat.com>
69 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
70 (handle_options): Fix indentation.
71 (print_filtered_help): If no language-specific options were
72 displayed tell the user how to list all the options supported by
73 the language's front-end.
74 (print_specific_help): Fix indentation and remove duplicate line.
75 (common_handle_option): Handle the -v option.
76 For --help enable the display of undocumented options if the -v
77 switch has been included on the command line.
78 For --help= check for overlaps in the arguments between the option
79 classes and the language names and issue a warning when they
80 cannot be disambiguated.
81 * c.opt (v): Pass on to the common option handler.
83 2008-02-19 Revital Eres <eres@il.ibm.com>
85 * modulo-sched.c (sms_schedule): Change dump message when
86 create_ddg function fails.
87 (try_scheduling_node_in_cycle): Rename row to cycle.
88 (print_partial_schedule): Rename CYCLE to ROW.
90 2008-02-19 Christian Bruel <christian.bruel@st.com>
91 Zdenek Dvorak <ook@ucw.cz>
93 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
95 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
99 (*x86_movdicc_0_m1_se): Ditto.
101 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
103 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
104 (CMPtype): Define as __gcc_CMPtype.
105 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
106 (CMPtype): Define as __gcc_CMPtype.
108 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
110 Support valgrind 3.3 for --enable-checking=valgrind.
111 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
113 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
114 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
115 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
116 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
117 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
118 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
119 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
121 * ggc-zone.c: Similar.
122 * ggc-page.c: Similar.
124 2008-02-19 Paul Brook <paul@codesourcery.com>
127 * config/arm/ieee754-df.S: Fix do_it typo.
128 * config/arm/ieee754-sf.S: Fix do_it typo.
130 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
133 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
134 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
135 (OPTION_MASK_ISA_SSE_SET): Likewise.
136 (OPTION_MASK_ISA_SSE2_SET): Likewise.
137 (OPTION_MASK_ISA_SSE3_SET): Likewise.
138 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
139 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
140 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
141 (OPTION_MASK_ISA_SSE4_SET): Likewise.
142 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
143 (OPTION_MASK_ISA_SSE5_SET): Likewise.
144 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
145 (OPTION_MASK_ISA_MMX_UNSET): Updated.
146 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
147 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
148 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
149 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
150 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
151 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
152 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
153 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
154 (OPTION_MASK_ISA_SSE4): Removed.
155 (ix86_handle_option): Turn on bits in ix86_isa_flags and
156 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
158 (override_options): Don't turn on implied SSE/MMX bits in
161 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
163 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
166 2008-02-18 Joey Ye <joey.ye@intel.com>
169 * tree-nested.c (insert_field_into_struct): Set type alignment
170 to field alignment if the former is less than the latter.
172 2008-02-18 Jakub Jelinek <jakub@redhat.com>
174 * BASE-VER: Set to 4.4.0.
176 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
178 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
179 * doc/cfg.texi: Likewise.
180 * doc/extend.texi: Likewise.
181 * doc/gty.texi: Likewise.
182 * doc/invoke.texi: Likewise.
183 * doc/loop.texi: Likewise.
184 * doc/md.texi: Likewise.
185 * doc/passes.texi: Likewise.
186 * doc/rtl.texi: Likewise.
187 * doc/sourcebuild.texi: Likewise.
188 * doc/tm.texi: Likewise.
189 * doc/tree-ssa.texi: Likewise.
191 2008-02-17 Richard Guenther <rguenther@suse.de>
194 * tree-complex.c (init_parameter_lattice_values): Handle parameters
195 without default definition.
197 2008-02-17 Richard Guenther <rguenther@suse.de>
199 PR tree-optimization/35231
200 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
203 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
207 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
208 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
209 libgcc_cmp_return mode.
211 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
214 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
216 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
218 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
221 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
223 * doc/c-tree.texi: Use `@.' where appropriate.
224 * doc/extend.texi: Likewise.
225 * doc/install.texi: Likewise.
226 * doc/invoke.texi: Likewise.
227 * doc/loop.texi: Likewise.
228 * doc/makefile.texi: Likewise.
229 * doc/md.texi: Likewise.
230 * doc/passes.texi: Likewise.
231 * doc/standards.texi: Likewise.
232 * doc/tm.texi: Likewise.
234 2008-02-15 Jakub Jelinek <jakub@redhat.com>
237 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
239 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
240 rather than in entry_bb.
242 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
244 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
245 libgcc_cmp_return mode.
247 2008-02-15 Jakub Jelinek <jakub@redhat.com>
250 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
251 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
253 2008-02-15 Richard Guenther <rguenther@suse.de>
254 Zdenek Dvorak <ook@ucw.cz>
256 PR tree-optimization/35164
257 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
258 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
259 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
260 Only propagate addresses which do not have abnormal SSA_NAMEs
263 2008-02-15 Joseph Myers <joseph@codesourcery.com>
266 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
268 2008-02-15 Jan Hubicka <jh@suse.cz>
271 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
273 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
276 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
277 when calculating alignment_pad.
279 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
281 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
282 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
283 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
284 and STACK_BOUNDARY define.
286 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
288 PR preprocessor/35061
289 * c-pragma.c (handle_pragma_pop_macro): Check that
290 pushed_macro_table has been allocated.
292 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
295 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
296 (force_gimple_operand): Likewise.
297 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
298 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
299 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
300 (find_interesting_uses_address): Check addressability and alignment
301 of the base expression only after substituting bases of IVs into it.
303 2008-02-14 Michael Matz <matz@suse.de>
306 * function.c (instantiate_virtual_regs_in_insn): Reload address
307 before falling back to reloading the whole operand.
309 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
311 * config/s390/s390.c (s390_mainpool_start): Emit the pool
312 before the first section switch note.
314 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
316 * doc/bugreport.texi: Update copyright years.
317 * doc/c-tree.texi: Likewise.
318 * doc/cfg.texi: Likewise.
319 * doc/cpp.texi: Likewise.
320 * doc/cppinternals.texi: Likewise.
321 * doc/fragments.texi: Likewise.
322 * doc/frontends.texi: Likewise.
323 * doc/gcc.texi: Likewise.
324 * doc/gty.texi: Likewise.
325 * doc/hostconfig.texi: Likewise.
326 * doc/implement-c.texi: Likewise.
327 * doc/libgcc.texi: Likewise.
328 * doc/loop.texi: Likewise.
329 * doc/makefile.texi: Likewise.
330 * doc/options.texi: Likewise.
331 * doc/passes.texi: Likewise.
332 * doc/rtl.texi: Likewise.
333 * doc/sourcebuild.texi: Likewise.
334 * doc/standards.texi: Likewise.
335 * doc/tree-ssa.texi: Likewise.
336 * doc/trouble.texi: Likewise.
338 * doc/extend.texi: Use @: or add comma where appropriate.
339 * doc/invoke.texi: Likewise.
340 * doc/tm.texi: Likewise.
342 2008-02-14 Alan Modra <amodra@bigpond.net.au>
345 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
348 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
350 * doc/md.texi (clz, ctz): Add reference.
351 * doc/rtl.texi (clz, ctz): Likewise.
353 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
356 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
359 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
361 * config/s390/s390.c (struct constant_pool): New field
362 emit_pool_after added.
363 (s390_mainpool_start): Set the emit_pool_after flag according
364 to the section switch notes.
365 (s390_mainpool_finish): Consider emit_pool_after when emitting
366 the literal pool at the end of the function.
367 (s390_chunkify_start): Force literal pool splits at section
370 2008-02-13 Michael Matz <matz@suse.de>
373 * var-tracking.c (clobber_variable_part): Correctly traverse the
376 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
379 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
380 Add -fdump-ipa-inline.
381 * tree-dump.c (dump_files): Remove tree-inlined dump.
382 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
384 2008-02-12 Richard Guenther <rguenther@suse.de>
386 PR tree-optimization/35171
387 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
390 2008-02-12 Richard Guenther <rguenther@suse.de>
393 * fold-const.c (fold_widened_comparison): Use get_unwidened in
394 value-preserving mode. Disallow final truncation.
396 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
399 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
401 (force_gimple_operand): ...here.
403 2008-02-12 Jakub Jelinek <jakub@redhat.com>
406 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
407 non-compatible pointers.
408 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
409 different FIELD_DECLs, try harder by comparing field offsets, sizes
413 * function.c (match_asm_constraints_1): Don't replace the same input
416 2008-02-12 Anatoly Sokolov <aesok@post.ru>
418 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
419 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
420 (expand_epilogue): Restore RAMPZ register.
421 * config/avr/avr.md (RAMPZ_ADDR): New constant.
423 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
425 * config/i386/cygwin.asm: (__alloca): Correct calling
426 convention and alignment.
427 (__chkstk): Force 8 byte stack alignment.
429 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
430 Richard Guenther <rguenther@suse.de>
432 PR tree-optimization/33992
433 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
434 the zero we compare against.
436 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
439 * gthr-win32.h (__gthread_mutex_destroy_function): New function
440 to CloseHandle after unlocking to prevent accumulation of handle
443 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
446 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
447 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
448 and update LABEL_NUSES during and after reload.
450 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
453 * combine.c (simplify_if_then_else): Make sure the comparison is
454 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
456 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
459 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
460 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
461 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
462 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
463 * tree.h (get_type_static_bounds): Likewise.
465 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
467 * doc/invoke.texi (Option Summary, C++ Dialect Options)
468 (Objective-C and Objective-C++ Dialect Options, Warning Options):
469 Make -Wfoo language annotations match what the compiler outputs.
471 2008-02-08 Sa Liu <saliu@de.ibm.com>
473 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
474 intrinsics spu_convts, spu_convtu, spu_convtf.
475 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
477 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
479 * doc/extend.texi (Function Attributes) <noinline>: Mention
480 asm ("") as method to keep calls.
482 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
485 * doc/options.texi (Options): Replace references to opts.sh with
487 * opts-common.c: Likewise.
488 * optc-gen.awk: Likewise.
490 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
492 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
494 2008-02-07 Richard Henderson <rth@redhat.com>
497 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
498 EXPR_LIST for the REG_EQUAL instead of a comparison with a
501 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
503 PR tree-optimization/35085
504 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
505 for operand entry oe2 in addition to operand entry oe3 in order to
506 expose more opportunities for vectorizer sum reduction.
508 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
511 * Makefile.in (LIBS): Remove $(GMPLIBS).
512 (cc1-dummy, cc1): Add $(GMPLIBS).
514 2008-02-06 Jan Hubicka <jh@suse.cz>
517 * i386.md (moddf_integer): Do not produce partial memory stalls for
518 targets where it hurts.
520 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
523 * optabs.c (expand_float): Do not check for decimal modes when
524 expanding unsigned integer through signed conversion.
526 2008-02-06 Nick Clifton <nickc@redhat.com>
528 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
529 inside the clobber with a match_operand and duplicated operand
530 number in the constraint.
531 (ineqbranchsi): Delete redundant comment.
533 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
535 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
536 builtin_define ("__USE_INIT_FINI__").
537 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
539 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
541 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
543 PR documentation/30330
544 * doc/invoke.texi (C++ Dialect Options)
545 (Objective-C and Objective-C++ Dialect Options, Warning Options):
546 For each warning option -Wfoo that allows -Wno-foo, ensure both
547 -Wfoo and -Wno-foo are listed in the option index. Fix index
548 entry of -Wswitch-default, index -Wnormalized= including the
549 `=', and -Wlarger-than-@var{len} including @var{len}.
551 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
553 * config/i386/i386.md (floatunssisf2): Use
554 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
555 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
556 Macroize expander using MODEF mode iterator.
558 2008-02-05 Diego Novillo <dnovillo@google.com>
560 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
563 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
565 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
568 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
570 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
573 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
574 to indicate if a message should be generated.
575 (init_cumulative_args): Updated.
576 (function_value_32): Likewise.
578 2008-02-05 Joseph Myers <joseph@codesourcery.com>
580 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
582 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
585 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
586 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
588 2008-02-04 Diego Novillo <dnovillo@google.com>
590 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
593 * tree-vrp.c (vrp_evaluate_conditional): With
594 -Wtype-limits, emit a warning when comparing against a
595 constant outside the natural range of OP0's type.
597 2008-02-04 Richard Guenther <rguenther@suse.de>
600 * expr.c (count_type_elements): Give for unions instead of
603 2008-02-04 Richard Guenther <rguenther@suse.de>
606 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
607 to TYPE_DOMAINs base type instead of using bitsizetype here.
609 2008-02-03 Jason Merrill <jason@redhat.com>
611 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
613 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
616 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
617 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
618 (RS/6000 and PowerPC Options): Fix typos and markup.
619 * doc/passes.texi (Tree-SSA passes): Likewise.
621 2008-02-02 Michael Matz <matz@suse.de>
624 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
625 from record_last_reg_set_info.
626 (record_last_reg_set_info): Take an RTX argument, iterate over all
627 constituent hardregs.
628 (record_last_set_info, record_opr_changes): Change calls to
629 new signature or to record_last_reg_set_info_regno.
631 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
633 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
635 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
637 PR rtl-optimization/34773
638 * reg-notes.def (EQUAL): Mention significance of combination of
639 REG_EQUAL and REG_RETVAL.
640 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
641 insn that has a REG_RETVAL.
643 2008-02-01 Roger Sayle <roger@eyesopen.com>
646 * configure.ac (--enable-fixed-point): Disable unless explicitly
648 * configure: Regenerate.
650 2008-02-01 Richard Guenther <rguenther@suse.de>
653 * invoke.texi (-finline-limit): Remove no longer true parts
654 of the documentation. Note that there is no default value.
656 2008-02-01 Andrew Pinski <pinskia@gmail.com>
657 Mark Mitchell <mark@codesourcery.com>
658 Ben Elliston <bje@au.ibm.com>
661 * doc/extend.texi (Other Builtins): Document.
663 2008-01-31 Tom Browder <tom.browder@gmail.com>
665 * doc/c-tree.texi (Types): Fix grammar.
666 (Expression trees): Ditto.
667 * doc/passes.texi (Tree-SSA passes): Ditto.
669 * doc/configterms.texi (Configure Terms): Fix typo.
670 * doc/cpp.texi (Common Predefined Macros): Ditto.
671 * doc/md.texi (Machine Constraints): Ditto.
673 * doc/makefile.texi (Makefile): Add comma.
675 2008-01-31 Tom Browder <tom.browder@gmail.com>
676 Gerald Pfeifer <gerald@pfeifer.com>
678 * doc/sourcebuild.texi (Front End): Remove references to CVS
680 (Texinfo Manuals): Replace reference to CVS by one to SVN.
681 (Back End): Remove reference to CVS.
683 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
686 * config/mips/mips.c (gen_load_const_gp): New function, taking a
688 (mips16_gp_pseudo_reg): ...here.
689 * config/mips/mips.md (load_const_gp): Replace with...
690 (load_const_gp_<mode>): ...this :P-based insn.
692 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
694 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
695 options. Minor fixes.
696 (-std): Move reference to standards closer to where language
697 standards are first mentioned.
699 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
701 PR rtl-optimization/34995
702 * reload.c (alternative_allows_const_pool_ref): Take an rtx
703 parameter and return a bool. If the rtx parameter is nonnull,
704 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
705 (find_reloads): Update call accordingly. Pass the new operand
706 if it needed no address reloads, otherwise pass null.
708 2008-01-30 Richard Henderson <rth@redhat.com>
711 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
712 for unbounded arrays.
714 2008-01-30 Silvius Rus <rus@google.com>
716 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
718 2008-01-30 Jan Hubicka <jh@suse.cz>
721 * i386.c (init_cumulative_args): Use real function declaration when
724 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
726 PR rtl-optimization/34998
727 * global.c (build_insn_chain): Treat non-subreg_lowpart
728 SUBREGs of pseudos as clobbering all the words covered by the
729 SUBREG, not just all the bytes.
730 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
731 original df_ref rather than an extract parameter.
732 (global_conflicts): Update call accordingly.
734 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
736 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
737 the overflow check to make it easier to read.
738 (__fixtfdi): Change the type of the ll member in union
739 long_double to UDItype_x.
741 2008-01-30 Jakub Jelinek <jakub@redhat.com>
744 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
745 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
746 * tree-inline.c (fold_marked_statements): Call
747 cgraph_update_edges_for_call_stmt if folding a call statement.
748 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
749 debug_generic_stmt calls, reset it back afterwards.
752 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
754 * c-typeck.c (build_external_ref): Don't pedwarn about
755 static vars in current function's scope.
757 2008-01-29 Joseph Myers <joseph@codesourcery.com>
759 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
761 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
764 * ipa-struct-reorg.c: Fix spelling.
767 2008-01-29 Richard Guenther <rguenther@suse.de>
770 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
772 * tree-inline.c (remap_type): Increment remapping_type_depth
773 around remapping types.
774 (copy_body_r): Only add referenced variables if they are referenced
775 from code, not types.
777 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
788 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
789 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
791 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
794 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
795 pointer for tiny stack.
797 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
799 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
801 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
803 * config/vx-common.h: Fix typo in comment.
805 2008-01-28 Ian Lance Taylor <iant@google.com>
809 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
810 coalesce pointers if they have different DECL_NO_TBAA_P values.
811 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
812 between variables with different DECL_NO_TBAA_P values.
814 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
817 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
818 are not legitimate small data references on SPE targets.
820 2008-01-28 David Daney <ddaney@avtrex.com>
822 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
824 2008-01-28 David Daney <ddaney@avtrex.com>
826 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
828 2008-01-27 Joseph Myers <joseph@codesourcery.com>
830 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
831 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
832 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
833 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
834 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
835 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
836 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
837 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
839 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
841 * basic-block.h (condjump_equiv_p): Fix comment.
843 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
845 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
846 print_generic_stmt_indented): Fix comment.
848 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
850 * configure.ac (__stack_chk_fail): Add detecion for availability
851 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
852 * configure: Regenerate.
854 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
857 * final.c (output_addr_const): Handle TRUNCATE.
859 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
862 * tree-ssa-loop-ivopts.c (comp_cost): New type.
863 (zero_cost, infinite_cost): New constants.
864 (struct cost_pair): Change type of cost to comp_cost.
865 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
866 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
868 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
869 split_address_cost, ptr_difference_cost, difference_cost,
870 get_computation_cost_at, get_computation_cost,
871 determine_use_iv_cost_generic, determine_use_iv_cost_address,
872 determine_use_iv_cost_condition, determine_use_iv_costs,
873 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
874 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
875 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
876 Change type of cost to comp_cost.
877 (determine_iv_cost): Increase cost of non-original ivs, instead
878 of decreasing the cost of original ones.
879 (get_address_cost): Indicate the complexity of the addressing mode
881 (try_add_cand_for): Prefer using ivs not specific to some object.
882 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
884 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
885 Janis Johnson <janis187@us.ibm.com>
888 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
889 (TARGET_INSTANTIATE_DECLS): Likewise.
890 * target.h (expand_to_rtl_hook): New target hook.
891 (instantiate_decls): Likewise.
892 * function.c (instantiate_decl): Make non-static. Rename to...
893 (instantiate_decl_rtl): ... this.
894 (instantiate_expr): Use instantiate_decl_rtl.
895 (instantiate_decls_1): Likewise.
896 (instantiate_decls): Likewise.
897 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
898 * function.h (instantiate_decl_rtl): Add prototype.
899 * cfgexpand.c (target.h): New include.
900 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
901 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
902 (TARGET_INSTANTIATE_DECLS): Likewise.
903 (TARGET_INITIALIZER): New target hooks added.
904 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
906 * config/rs6000/rs6000.c (tree-flow.h): New include.
907 (machine_function): Add sdmode_stack_slot field.
908 (rs6000_alloc_sdmode_stack_slot): New function.
909 (rs6000_instantiate_decls): Likewise.
910 (rs6000_secondary_memory_needed_rtx): Likewise.
911 (rs6000_check_sdmode): Likewise.
912 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
913 (TARGET_INSTANTIATE_DECLS): Likewise.
914 (rs6000_hard_regno_mode_ok): Allow SDmode.
915 (num_insns_constant): Likewise. Handle _Decimal32 constants.
916 (rs6000_emit_move): Handle SDmode.
917 (function_arg_advance): Likewise.
918 (function_arg): Likewise.
919 (rs6000_gimplify_va_arg): Likewise. Add special handling of
920 SDmode var args for 32-bit compiles.
921 (rs6000_secondary_reload_class): Handle SDmode.
922 (rs6000_output_function_epilogue): Likewise.
923 (rs6000_function_value): Simplify if statement.
924 (rs6000_libcall_value): Likewise.
925 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
926 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
927 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
928 (movsd_hardfloat): New define_insn.
929 (movsd_softfloat): Likewise.
930 (movsd_store): Likewise.
931 (movsd_load): Likewise.
932 (extendsddd2): Likewise.
933 (extendsdtd2): Likewise.
934 (truncddsd2): Likewise.
935 (movdd_hardfloat64): Fixup comment.
936 (UNSPEC_MOVSD_LOAD): New constant.
937 (UNSPEC_MOVSD_STORE): Likewise.
939 2008-01-26 Jakub Jelinek <jakub@redhat.com>
942 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
944 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
945 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
946 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
949 2008-01-26 David Edelsohn <edelsohn@gnu.org>
952 * config.gcc: Separate AIX 5.3 from AIX 6.1.
953 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
955 * config/rs6000/aix61.h: New file.
957 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
959 PR rtl-optimization/34959
960 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
961 popcount and parity rtxes the same mode as their operand.
962 Truncate or extend the result to the return value's mode
965 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
968 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
969 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
970 to GOT_VERSION_REGNUM.
971 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
972 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
973 * config/mips/mips.c (mips_emit_call_insn): New function.
974 (mips_call_tls_get_addr): Call mips_expand_call directly.
975 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
977 (mips16_build_call_stub): Likewise. Return the call insn or null.
978 (mips_expand_call): Update the call to mips16_build_call_stub
979 accordingly and a remove redundant condition. Assert that MIPS16
980 stubs do not use lazy binding. Use mips_emit_call_insn and return
982 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
984 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
985 (mips_avoid_hazard): Remove hazard_set handling.
986 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
987 (UNSPEC_RESTORE_GP): ...this.
988 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
989 (FAKE_CALL_REGNO): Rename to...
990 (GOT_VERSION_REGNUM): ...this.
991 (type): Add "ghost" value. Add an associated insn reservation.
992 (hazard_set): Remove.
993 (exception_receiver): Rename to...
994 (restore_gp): ...this and update the unspec identifier accordingly.
995 (exception_receiver, nonlocal_got_receiver): New expanders.
996 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
997 FAKE_CALL_REGNO. Remove hazard_set attribute.
998 (set_got_version, update_got_version): New patterns.
1000 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
1003 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1005 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1008 * doc/install.texi2html: Generate gcc-vers.texi.
1010 2008-01-25 DJ Delorie <dj@redhat.com>
1012 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1014 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1016 * config/c4x: Remove directory.
1017 * config.gcc (crx-*, mt-*): Mark obsolete.
1018 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1019 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
1020 sh-*-rtemscoff*): Remove cases.
1021 * defaults.h (C4X_FLOAT_FORMAT): Remove.
1022 * real.c (encode_c4x_single, decode_c4x_single,
1023 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
1024 c4x_extended_format): Remove.
1025 * real.h (c4x_single_format, c4x_extended_format): Remove.
1026 * doc/extend.texi (interrupt, naked): Remove mention of attributes
1028 (Pragmas): Remove comment about c4x pragmas.
1029 * doc/install.texi (c4x): Remove target-specific instructions.
1030 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
1031 * doc/md.texi (Machine Constraints): Remove C4x documentation.
1032 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
1033 refer to C4x source files as examples.
1034 (C4X_FLOAT_FORMAT): Remove documentation.
1036 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
1038 * config/bfin/bfin.c (override_options): Reorder tests so that
1039 flag_pic gets enabled for -msep-data.
1041 2008-01-25 Richard Guenther <rguenther@suse.de>
1044 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1045 to its bitfield precision if required.
1047 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1050 * tree-nested.c (walk_omp_for): New function.
1051 (convert_nonlocal_reference, convert_local_reference): Call
1052 walk_omp_for on OMP_FOR.
1053 (convert_call_expr): Call walk_body on OMP_FOR's
1054 OMP_FOR_PRE_INIT_BODY.
1056 2008-01-25 Richard Guenther <rguenther@suse.de>
1058 PR tree-optimization/34966
1059 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1060 default defs and PHI_NODEs we have to insert after the
1063 2008-01-24 Nick Clifton <nickc@redhat.com>
1065 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1066 Provide a default definition.
1067 (LIBGCC2_UNITS_PER_WORD): Likewise.
1069 * config/stormy16/stormy16.c: Include df.h for the prototype
1070 for df_regs_ever_live_p.
1071 (xstormy16_expand_builtin_va_start): Convert the stack offset
1072 into a component_ref and then use POINTER_PLUS_EXPR to add it
1073 to the incoming_virtual_args_rtx.
1074 (xstormy16_gimplify_va_arg_expr): Rename to
1075 xstormy16_gimplify_va_arg_expr.
1076 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1077 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1078 xstormy16_gimplify_va_arg_expr.
1079 Fix up some formatting issues.
1081 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1082 Move to predicates.md.
1083 (xs_hi_general_operand): Likewise.
1084 (xs_hi_nonmemory_operand): Likewise.
1085 * config/stormy16/predicates.md:
1086 (xstormy16_carry_plus_operand): New predicate.
1087 (xs_hi_general_operand): New predicate.
1088 (xs_hi_nonmemory_operand): New predicate.
1089 * config/stormy16/stormy16-protos.h:
1090 (xstormy16_carry_plus_operand): Delete prototype.
1091 (xs_hi_general_operand): Likewise.
1092 (xs_hi_nonmemory_operand): Likewise.
1094 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1095 modifiers as they are no longer needed and they can trigger
1096 reload spill failures.
1098 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1099 with a match_operand in order to help reload.
1101 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1102 constraint with 'e' for the 8th alternative as this version of
1103 the mov.w instruction only accepts the lower 8 registers.
1105 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
1108 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1109 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1112 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1115 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1117 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1119 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1121 (remove_structure): Update allocations list before removing structure.
1123 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1125 * ipa-struct-reorg.c (is_safe_cond_expr,
1126 create_new_stmts_for_cond_expr): Use integer_zerop function,
1127 that recognize not only zero-pointer, but zero-integer too.
1129 2008-01-25 Ben Elliston <bje@au.ibm.com>
1132 * fixproto: Escape "." in sed expression that strips leading "./".
1134 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
1137 * gcc.c (SWITCH_OK): Removed.
1138 (SWITCH_LIVE): Changed to bit.
1139 (SWITCH_FALSE): Likewise.
1140 (SWITCH_IGNORE): Likewise.
1141 (switchstr): Change live_cond to unsigned int.
1142 (process_command): Replace SWITCH_OK with 0.
1143 (do_self_spec): Likewise.
1144 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1145 (give_switch): Likewise.
1146 (used_arg): Likewise.
1147 (do_spec_1): Set the SWITCH_IGNORE bit.
1148 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1149 bits. Set the SWITCH_LIVE bit.
1151 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
1153 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1155 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
1157 PR tree-optimization/34472
1158 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1159 parameter to a "bool *" and set *DATA to false if there is
1160 an unsafe access. Do not delete the structure here.
1161 (check_cond_exprs): Delete it here instead.
1162 (check_cond_exprs, exclude_cold_structs): Do not increase
1163 I when removing a structure.
1165 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
1168 * config/i386/i386.c (ix86_expand_vector_init): Consider only
1169 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1171 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
1174 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1175 a fixed vector for stack.
1177 2008-01-24 Ben Elliston <bje@au.ibm.com>
1180 * doc/gcc.texi (Software development): Add a direntry for g++.
1182 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
1184 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1185 stale and straggling -fforce-addr comments above.
1187 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1189 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1190 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1192 2008-01-23 Michael Matz <matz@suse.de>
1195 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1198 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1200 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1203 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1205 * config/avr/avr.c (avr_current_arch): New variable.
1206 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1207 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1208 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1209 (avr_override_options): Init 'avr_current_arch'.
1210 (base_arch_s): Move from here...
1211 * config/avr/avr.h (base_arch_s): ... here. Add new members
1212 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1213 'mega' to 'have_jmp_call'.
1214 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1215 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1217 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1219 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1220 MULTILIB_MATCHES): (Ditto.).
1222 2008-01-23 Richard Guenther <rguenther@suse.de>
1225 * cgraphunit.c (cgraph_reset_node): Always mark the node
1226 not reachable if it is not queued already.
1228 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1230 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1231 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1232 (cputype_selected): New static variable.
1233 (bfin_handle_option): Set it if -mcpu is used.
1234 (override_option): Select default set of workarounds if no cpu type
1235 selected on the command line.
1236 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1238 From Michael Frysinger <michael.frysinger@analog.com>
1239 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1240 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1242 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1243 for bf547, bf523, bf524, and bf526.
1244 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1246 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1247 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1248 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1249 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1250 * doc/invoke.texi (Blackfin Options): Document that
1251 -mcpu now accept bf547, bf523, bf524, and bf526.
1253 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1255 PR rtl-optimization/34628
1256 * combine.c (try_combine): Stop and undo after the first combination
1257 if an autoincrement side-effect on the first insn has effectively
1260 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1263 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1264 Offset addresses are not valid for Altivec or paired float modes.
1266 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1269 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1270 if DECL_INITIAL (decl) is error_mark_node.
1273 * c-common.c (handle_vector_size_attribute): Only allow
1274 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1275 the same way as pointer, array etc. types.
1276 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1279 * tree.c (build_type_attribute_qual_variant): Call
1280 build_qualified_type if attributes are equal, but quals are not.
1282 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1285 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1286 * flags.h (warn_strict_aliasing): Remove.
1287 (warn_strict_overflow): Remove.
1288 * opts.c (warn_strict_aliasing): Remove.
1289 (warn_strict_overflow): Remove.
1290 * c-opts.c (c_common_handle_option): -Wall only sets
1291 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1292 (c_common_post_options): Give default values to -Wstrict-aliasing
1293 and -Wstrict-overflow if they are uninitialized.
1294 * common.opt (Wstrict-aliasing): Specify Var and Init.
1295 (Wstrict-overflow): Likewise.
1297 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1299 PR rtl-optimization/26854
1300 PR rtl-optimization/34400
1301 PR rtl-optimization/34884
1302 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1304 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1305 (df_rd_bb_info.expanded_lr_out): Deleted
1306 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1307 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1308 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1309 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1310 Removed code to allocate, initialize or free expanded_lr_out.
1311 (df_rd_bb_local_compute_process_def): Restructured to make more
1313 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1314 sets if the sets are being trimmed.
1316 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1319 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1320 (as_vers): Likewise.
1321 * configure: Regenerated.
1323 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1326 * tree-pass.h (pass_build_alias): New pass.
1327 * tree-ssa-alias.c (gate_build_alias): New.
1328 (pass_build_alias): New.
1329 * passes.c (init_optimization_passes): Add pass_build_alias after
1330 pass_create_structure_vars.
1332 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1334 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1335 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1336 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1337 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1338 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1339 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1340 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1341 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1342 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1343 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1344 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1345 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1346 * config/s390/s390.md (FP_ALL): New mode iterator.
1347 (_d): New mode attribute.
1348 ("*signbit<mode>2>"): Changed mode of first operand.
1349 ("isinf<mode>2"): Changed mode of first operand.
1350 ("*TDC_insn"): Adaptation for DFP modes.
1352 2008-01-22 Ben Elliston <bje@au.ibm.com>
1354 * tree.c (check_qualified_type): Improve function description.
1356 2008-01-21 Jason Merrill <jason@redhat.com>
1359 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1360 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1363 2008-01-21 DJ Delorie <dj@redhat.com>
1365 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1368 2008-01-21 Richard Guenther <rguenther@suse.de>
1371 * tree-cfg.c (verify_expr): Allow all invariant expressions
1372 instead of just constant class ones as reference argument.
1373 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1374 like any other constant.
1375 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1377 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1379 * regmove.c (fixup_match_1): Update call crossed frequencies.
1381 2008-01-21 Richard Guenther <rguenther@suse.de>
1384 * tree-inline.c (setup_one_parameter): Deal with mismatched
1385 types using a VIEW_CONVERT_EXPR.
1387 2008-01-21 Alon Dayan <alond@il.ibm.com>
1388 Olga Golovanevsky <olga@il.ibm.com>
1390 PR tree-optimization/34701
1391 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1392 when the structure size is not a power of 2.
1394 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1396 * doc/install.texi: Add doc for --enable-checking=df.
1398 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1400 PR rtl-optimization/34808
1401 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1403 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1405 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1408 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1410 PR rtl-optimization/26854
1411 PR rtl-optimization/34400
1412 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1414 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1415 (df_rd_bb_info.expanded_lr_out): New.
1416 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1417 * loop_iv.c (iv_analysis_loop_init): Ditto.
1418 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1419 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1420 Added code to allocate, initialize or free expanded_lr_out.
1421 (df_rd_bb_local_compute_process_def): Restructured to make
1422 more understandable.
1423 (df_rd_confluence_n): Add code to do nothing with fake edges and
1424 code to no apply invalidate_by_call sets if the sets are being trimmed.
1425 (df_lr_local_finalize): Renamed to df_lr_finalize.
1426 (df_live_local_finalize): Renamed to df_live_finalize.
1428 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1431 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1432 deciding whether to use reciprocal instructions.
1434 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1436 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1437 dwarf2out_note_section_used if cold_text_section is NULL.
1439 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1441 PR gcov-profile/34610
1442 * tree-cfg.c (make_edges): Mark both outgoing edges from
1443 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1444 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1445 from OMP_FOR and OMP_CONTINUE outgoing edges.
1447 * tree-profile.c (tree_profiling): Return early if
1448 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1450 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1451 from cfun to child_cfun.
1452 * function.h (struct function): Add after_tree_profile bit.
1454 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1456 * config/avr/avr.S (_exit): Disable interrupt.
1458 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1459 Steven Bosscher <stevenb.gcc@gmail.com>
1461 PR rtl-optimization/26854
1462 PR rtl-optimization/34400
1463 * df-problems.c (df_live_scratch): New scratch bitmap.
1464 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1465 (df_live_reset): Clear the proper bitmaps.
1466 (df_live_bb_local_compute): Only process the artificial defs once
1467 since the order is not important.
1468 (df_live_init): Init the df_live sets only with the variables
1469 found live by df_lr.
1470 (df_live_transfer_function): Use the df_lr sets to prune the
1471 df_live sets as they are being computed.
1472 (df_live_free): Free df_live_scratch.
1474 2008-01-18 Ian Lance Taylor <iant@google.com>
1476 * common.opt: Add fmerge-debug-strings.
1477 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1478 flag_merge_debug_strings rather than flag_merge_constants.
1479 * doc/invoke.texi (Option Summary): Mention
1480 -fmerge-debug-strings.
1481 (Debugging Options): Document -fmerge-debug-strings.
1483 2008-01-18 Ian Lance Taylor <iant@google.com>
1486 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1487 (struct tree_function_decl): Add new field operator_new_flag.
1488 * tree-inline.c (expand_call_inline): When inlining a call to
1489 operator new, force the return value to go into a variable, and
1490 set DECL_NO_TBAA_P on that variable.
1491 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1493 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1496 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1497 DWARF2_DEBUGGING_INFO.
1498 (dwarf2out_note_section_used): Ditto. Add prototype.
1499 (have_multiple_function_sections, text_section_used,
1500 cold_text_section_used, *cold_text_sections): Move declarations
1503 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1505 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1506 field and add signal_ra.
1507 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1508 assignments to frame state pc. Move end of stack check after
1509 MD_FALLBACK_FRAME_STATE_FOR.
1510 (uw_update_context_1): Use frame state signal_regs if set, instead
1511 of checking signal_frame flag.
1512 (uw_update_context): Use frame state signal_ra if set.
1513 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1514 * config/xtensa/linux-unwind.h: New file.
1516 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1518 * modulo-sched.c (get_sched_window): Fix comment typo.
1520 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1522 PR tree-optimization/34648
1523 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1525 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1527 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1528 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1530 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1532 PR rtl-optimization/34400
1533 * df-core.c (df_worklist_dataflow_overeager,
1534 df_worklist_dataflow_doublequeue): New functions.
1535 (df_worklist_dataflow): Two different worklist solvers.
1536 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1539 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1542 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1543 and ftree-parallelize-loops.
1545 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1547 PR rtl-optimization/34826
1548 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1550 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1552 * global.c (find_reg): Mark the eh regs as used if necessary.
1553 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1554 * ra.h (struct allocno): no_eh_reg field added. Changed
1555 no_stack_reg type to bitfield.
1557 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1559 * tree.c (substitute_in_expr): Add missing 'break'.
1561 2008-01-17 Richard Guenther <rguenther@suse.de>
1563 PR tree-optimization/34825
1564 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1565 x / x as division to handle.
1567 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1569 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1570 "-pthread" is specified.
1571 * pa-hpux11.h (LIB_SPEC): Likewise.
1573 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1574 Peter Bergner <bergner@vnet.ibm.com>
1576 PR rtl-optimization/33796
1577 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1579 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1581 PR libgfortran/34699
1582 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1584 * pa-hpux10.h (LINK_SPEC): Likewise.
1585 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1587 2008-01-16 Richard Guenther <rguenther@suse.de>
1590 * fold-const.c (fold_convert_const_int_from_int): Do not
1591 set overflow if that occured only because of a sign extension
1592 change when converting from/to a sizetype with the same
1593 precision and signedness.
1595 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1598 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1599 location address to the correct place. Update copyright year.
1601 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1603 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1604 no dependences in the dependence_relations vector.
1606 2008-01-16 Jan Hubicka <jh@suse.cz>
1608 PR rtl-optimization/31396
1609 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1610 * cfg.c (dump_reg_info): Print it.
1611 * regs.h (struct reg_info_t): add freq_calls_crossed.
1612 (REG_FREQ_CALLS_CROSSED): New macro.
1613 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1614 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1615 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1616 regmove_optimize): Update call crossed frequencies.
1617 * local-alloc.c (struct qty): Add freq_calls_crossed.
1618 (alloc_qty): Copute freq_calls_crossed.
1619 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1620 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1621 * ra.h (struct allocno): Add freq_calls_crossed.
1623 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1625 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1626 libgomp when compiling with ftree-parallelize-loops.
1627 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1629 2008-01-16 Richard Guenther <rguenther@suse.de>
1631 PR tree-optimization/34769
1632 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1633 * tree.c (int_cst_value): Instead make this function more
1634 permissive in what it accepts as valid input. Document this
1635 function always sign-extends the value.
1637 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1638 Richard Guenther <rguenther@suse.de>
1641 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1642 (gimple_fold_indirect_ref_rhs): ... this.
1643 (gimple_fold_indirect_ref): New function with foldings
1644 that preserve lvalueness.
1645 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1646 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1647 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1648 to fold an INDIRECT_REF, fall back to the old use of
1649 fold_indirect_ref_1.
1651 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1653 * tree-data-ref.c (subscript_dependence_tester_1): Call
1654 free_conflict_function.
1655 (compute_self_dependence): Same.
1657 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1660 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1661 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1663 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1664 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1665 for DWARF2_UNWIND_INFO targets.
1667 2008-01-16 Richard Guenther <rguenther@suse.de>
1670 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1671 type qualifiers for function types.
1673 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1675 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1676 loop_iterator li from previous commit.
1678 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1680 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1682 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1684 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1685 (parallelize_loops): Don't parallelize irreducible components.
1687 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1690 * c-opts (c_common_post_options): Do not enable CPP
1691 flag_pedantic_errors by default.
1693 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1695 PR rtl-optimization/31944
1696 * cse.c (remove_pseudo_from_table): New function.
1697 (merge_equiv_classes): Use above function to remove pseudo-registers.
1698 (invalidate): Likewise.
1700 2008-01-13 Richard Guenther <rguenther@suse.de>
1703 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1704 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1706 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1708 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1709 validate_change to unshare the source of the PC set.
1711 2008-01-12 Jan Hubicka <jh@suse.cz>
1714 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1715 references above array bounds. This might trigger bounds checks for
1718 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1720 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1721 new_replaceable_dependencies.
1723 2008-01-12 Doug Kwan <dougkwan@google.com>
1725 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1726 instead of OPT_Wreturn_type in warning due to ignored return type
1728 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1729 options included in -Wextra.
1730 * c.opt: New option -Wignored_qualifiers.
1731 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1732 -Wignore_qualifiers.
1733 (-Wignored-qualifiers): Document.
1734 (-Wreturn-type): Remove description of functionality now handled
1735 by -Wignored-qualifiers.
1737 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1740 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1741 NOP_EXPR if it is between integral types with the same precision.
1743 2008-01-12 Jan Hubicka <jh@suse.cz>
1746 * invoke.texi (max-inline-recursive-depth): Fix default value.
1748 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1750 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1753 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1755 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1757 2008-01-11 James E. Wilson <wilson@specifix.com>
1760 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1762 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1764 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1765 save/restore frame pointer register and don't use 'call-prologues'
1766 optimization in function with "OS_task" attribute.
1768 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1771 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1772 when copying to memory.
1774 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1776 PR rtl-optimization/30905
1777 * cfgcleanup.c: Include dce.h
1778 (crossjumps_occured): New global variable.
1779 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1780 If something changed, set crossjumps_occured to true.
1781 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1782 Don't add/remove fake edges to exit here...
1783 (cleanup_cfg): ...but do it here, when crossjumping.
1784 Run a fast DCE when successful crossjumps occured in the latest
1785 iteration of try_optimize_cfg.
1787 2008-01-11 Richard Guenther <rguenther@suse.de>
1789 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1790 (struct vn_unary_op_s): Likewise.
1791 (vn_reference_insert): Free old reference on hash collision.
1793 2008-01-10 Raksit Ashok <raksit@google.com>
1795 PR rtl-optimization/27971
1796 * combine.c (find_split_point): Split PLUS expressions which are
1797 inside a MEM rtx, and whose first operand is complex.
1799 2008-01-10 DJ Delorie <dj@redhat.com>
1801 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1802 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1803 (m32c_hard_regno_ok): Call the underlying function.
1805 2008-01-10 Richard Guenther <rguenther@suse.de>
1808 * tree-cfg.c (tree_merge_blocks): Do not go through the
1809 full-blown folding and stmt updating path if we just deal
1810 with virtual operands.
1811 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1812 test for abnormal SSA_NAMEs.
1814 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1817 * reload.c (push_reload): Add assertions. All constants from
1818 reg_equiv_constant should have been used for replacing the respective
1820 (find_reloads_address): Invoke find_reloads_address_part for
1821 constant taken from the reg_equiv_constant array.
1823 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1825 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1826 field (valnum) the first in the struct. Replace bools with
1829 2008-01-10 Richard Guenther <rguenther@suse.de>
1831 PR tree-optimization/34651
1832 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1833 types and ordering for masking and converting.
1835 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1837 PR tree-optimization/34017
1838 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1839 also for PHI_NODE expressions.
1841 2008-01-09 Jan Hubicka <jh@suse.cz>
1843 PR tree-optimization/34708
1844 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1845 based on number of case labels.
1846 (init_inline_once): Remove switch_cost.
1847 * tree-inline.h (eni_weights_d): Remove switch_cost.
1849 2008-01-09 Richard Guenther <rguenther@suse.de>
1850 Andrew Pinski <andrew_pinski@playstation.sony.com>
1853 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1854 temporary if an rvalue is ok or an lvalue is not required.
1856 2008-01-09 Richard Guenther <rguenther@suse.de>
1859 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1862 2008-01-09 Richard Guenther <rguenther@suse.de>
1865 * tree.c (host_integerp): Check for sizetype only if the
1866 type is an integer type.
1868 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1871 * opts.c (decode_options): Disable inlining of functions called
1872 once if not in unit-at-a-time mode.
1874 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1876 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1878 2008-01-08 Richard Guenther <rguenther@suse.de>
1881 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1882 out early if the result will be unused.
1884 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1889 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1890 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1893 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1895 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1896 for vectorization tuned.
1898 2008-01-08 Richard Guenther <rguenther@suse.de>
1900 PR tree-optimization/34683
1901 * tree-ssa-operands.c (operand_build_cmp): Export.
1902 * tree-ssa-operands.h (operand_build_cmp): Declare.
1903 * tree-vn.c (vuses_compare): Remove.
1904 (sort_vuses): Use operand_build_cmp.
1905 (sort_vuses_heap): Likewise.
1906 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1907 to re-use old VEC if available. Do not sort already sorted VUSEs.
1908 (vdefs_to_vec): Do not sort already sorted VDEFs.
1910 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1913 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1915 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1918 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1919 limitations of reciprocal sequences on x86 targets.
1921 2008-01-08 Richard Guenther <rguenther@suse.de>
1923 PR tree-optimization/34683
1924 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1926 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1929 * config/darwin.c (darwin_mergeable_string_section): Don't use
1930 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1932 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1935 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1936 negxf2. Macroize expander using X87MODEF mode iterator. Change
1937 predicates of op0 and op1 to register_operand.
1938 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1939 expander using X87MODEF mode iterator. Change predicates of
1940 op0 and op1 to register_operand.
1941 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1942 corresponding patterns and macroize using MODEF macro. Change
1943 predicates of op0 and op1 to register_operand and remove
1944 "m" constraint. Disparage "r" alternative with "!".
1945 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1946 macroize using X87MODEF macro. Change predicates of op0 and op1
1947 to register_operand and remove "m" constraint. Disparage "r"
1948 alternative with "!".
1949 (absneg splitter with memory operands): Remove.
1950 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1951 patterns and macroize using X87MODEF mode iterator.
1952 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1953 Change predicate of op1 to register_operand.
1954 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1955 for memory operands.
1957 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1959 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1961 2008-01-07 Richard Guenther <rguenther@suse.de>
1963 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1966 2008-01-07 Richard Guenther <rguenther@suse.de>
1968 PR tree-optimization/34683
1969 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1970 VOPs of the needed size to save memory. Use VEC_quick_push
1971 to save compile-time.
1972 (vdefs_to_vec): Likewise.
1974 2008-01-07 Sa Liu <saliu@de.ibm.com>
1976 * config/spu/spu.md (divdf3): Genetate inline code for double
1977 division. The implementation doesn't handle INF or NAN, therefore it
1978 only applies when -ffinite-math-only is given.
1980 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1983 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1984 * doc/cpp.texi ([Common Predefined Macros]): Document.
1986 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1988 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1989 order to use commutative addition instead of subtraction.
1991 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1992 Mircea Namolaru <namolaru@il.ibm.com>
1993 Vladimir Yanovsky <yanov@il.ibm.com>
1994 Revital Eres <eres@il.ibm.com>
1996 PR tree-optimization/34263
1997 * tree-outof-ssa.c (process_single_block_loop_latch,
1998 contains_tree_r): New functions.
1999 (analyze_edges_for_bb): Call process_single_block_loop_latch
2000 function to empty single-basic-block latch block if possible.
2002 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2004 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2006 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2008 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2010 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2012 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2014 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2016 2008-01-05 Jakub Jelinek <jakub@redhat.com>
2018 PR tree-optimization/34618
2019 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
2022 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2025 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
2026 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
2027 Update copyright year.
2029 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
2030 Update copyright year.
2031 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
2034 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
2036 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2037 edge does not point to current bb before changing need_assert.
2039 2008-01-04 Richard Guenther <rguenther@suse.de>
2042 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2043 for verifying purposes if they are is_gimple_min_invariant.
2045 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
2047 PR tree-optimization/34448
2048 PR tree-optimization/34465
2049 * gimplify.c (gimplify_init_constructor): Add new parameter
2050 notify_temp_creation. Use it.
2051 (gimplify_modify_expr_rhs): Take volatiles into account when
2052 optimizing constructors.
2053 Do not optimize constructors if gimplify_init_constructor will dump to
2055 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2056 * gcc.c-torture/compile/pr34448.c: New.
2058 2008-01-04 Jakub Jelinek <jakub@redhat.com>
2060 PR gcov-profile/34609
2061 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2062 return_slot if result is TREE_ADDRESSABLE.
2064 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
2066 * config/mips/mips.md (sqrt_condition): Tweak comment.
2067 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
2069 2008-01-03 Tom Tromey <tromey@redhat.com>
2072 * c-common.c (c_type_hash): Handle VLAs.
2074 2008-01-03 Jan Hubicka <jh@suse.cz>
2076 PR tree-optimization/31081
2077 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2078 0 when inlining and not inlining to first basic block.
2079 (remap_decl): When var is initialized to 0, don't set default_def.
2080 (expand_call_inline): Set entry_bb.
2081 * tree-inline.h (copy_body_data): Add entry_bb.
2083 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2086 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2089 PR tree-optimization/29484
2090 * tree-inline.c (inline_forbidden_p_2): New function.
2091 (inline_forbidden_p): Disallow inlining if some static var
2092 has an address of a local LABEL_DECL in its initializer.
2093 * doc/extend.texi (Labels as Values): Document &&foo behaviour
2096 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
2098 PR tree-optimization/34635
2099 * tree-data-ref.c (add_other_self_distances): Make sure that the
2100 evolution step is constant.
2102 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2105 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2107 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
2109 * tree-sra.c (scalarize_init): Insert the generate_element_init
2110 statements after the generate_element_zero statements.
2112 2008-01-02 Richard Guenther <rguenther@suse.de>
2116 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2117 for very large number of operands instead of ICEing.
2119 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
2122 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2123 while stack probing.
2125 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
2127 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2130 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
2133 * tree-mudflap.c (mx_register_decls): Guard warning by
2134 !DECL_ARTIFICIAL check.
2136 2008-01-01 Jakub Jelinek <jakub@redhat.com>
2138 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2139 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2140 sse5_perm<mode>): Fix constraints.