1 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4 * config/i386/i386-modes.def: Revert the last DI alignment
5 change until Ada people can look into it.
7 2008-02-19 Nick Clifton <nickc@redhat.com>
9 * opts.c (print_specific_help): Fix typo in --help text.
11 2008-02-19 Jakub Jelinek <jakub@redhat.com>
14 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
15 32-bit inline asm without asm alternatives for host GCC < 3.0.
17 2008-02-19 Richard Guenther <rguenther@suse.de>
19 PR tree-optimization/34989
20 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
21 Allow propagation to INDIRECT_REF if we can simplify only.
23 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
25 * c-common.c (warn_for_collisions_1): Use appropriate option when
28 2008-02-19 Nick Clifton <nickc@redhat.com>
31 * opts.c (undocumented_msg): Leave blank unless checking is
33 (handle_options): Fix indentation.
34 (print_filtered_help): If no language-specific options were
35 displayed tell the user how to list all the options supported by
36 the language's front-end.
37 (print_specific_help): Fix indentation and remove duplicate line.
38 (common_handle_option): Handle the -v option.
39 For --help enable the display of undocumented options if the -v
40 switch has been included on the command line.
41 For --help= check for overlaps in the arguments between the option
42 classes and the language names and issue a warning when they
43 cannot be disambiguated.
44 * c.opt (v): Pass on to the common option handler.
46 2008-02-19 Revital Eres <eres@il.ibm.com>
48 * modulo-sched.c (sms_schedule): Change dump message when
49 create_ddg function fails.
50 (try_scheduling_node_in_cycle): Rename row to cycle.
51 (print_partial_schedule): Rename CYCLE to ROW.
53 2008-02-19 Christian Bruel <christian.bruel@st.com>
54 Zdenek Dvorak <ook@ucw.cz>
56 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
58 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
61 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
62 (*x86_movdicc_0_m1_se): Ditto.
64 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
66 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
67 (CMPtype): Define as __gcc_CMPtype.
68 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
69 (CMPtype): Define as __gcc_CMPtype.
71 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
73 Support valgrind 3.3 for --enable-checking=valgrind.
74 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
76 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
77 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
78 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
79 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
80 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
81 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
82 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
84 * ggc-zone.c: Similar.
85 * ggc-page.c: Similar.
87 2008-02-19 Paul Brook <paul@codesourcery.com>
90 * config/arm/ieee754-df.S: Fix do_it typo.
91 * config/arm/ieee754-sf.S: Fix do_it typo.
93 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
96 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
97 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
98 (OPTION_MASK_ISA_SSE_SET): Likewise.
99 (OPTION_MASK_ISA_SSE2_SET): Likewise.
100 (OPTION_MASK_ISA_SSE3_SET): Likewise.
101 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
102 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
103 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
104 (OPTION_MASK_ISA_SSE4_SET): Likewise.
105 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
106 (OPTION_MASK_ISA_SSE5_SET): Likewise.
107 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
108 (OPTION_MASK_ISA_MMX_UNSET): Updated.
109 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
110 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
111 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
112 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
113 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
114 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
115 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
116 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
117 (OPTION_MASK_ISA_SSE4): Removed.
118 (ix86_handle_option): Turn on bits in ix86_isa_flags and
119 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
121 (override_options): Don't turn on implied SSE/MMX bits in
124 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
126 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
129 2008-02-18 Joey Ye <joey.ye@intel.com>
132 * tree-nested.c (insert_field_into_struct): Set type alignment
133 to field alignment if the former is less than the latter.
135 2008-02-18 Jakub Jelinek <jakub@redhat.com>
137 * BASE-VER: Set to 4.4.0.
139 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
141 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
142 * doc/cfg.texi: Likewise.
143 * doc/extend.texi: Likewise.
144 * doc/gty.texi: Likewise.
145 * doc/invoke.texi: Likewise.
146 * doc/loop.texi: Likewise.
147 * doc/md.texi: Likewise.
148 * doc/passes.texi: Likewise.
149 * doc/rtl.texi: Likewise.
150 * doc/sourcebuild.texi: Likewise.
151 * doc/tm.texi: Likewise.
152 * doc/tree-ssa.texi: Likewise.
154 2008-02-17 Richard Guenther <rguenther@suse.de>
157 * tree-complex.c (init_parameter_lattice_values): Handle parameters
158 without default definition.
160 2008-02-17 Richard Guenther <rguenther@suse.de>
162 PR tree-optimization/35231
163 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
166 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
170 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
171 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
172 libgcc_cmp_return mode.
174 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
177 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
179 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
181 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
184 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
186 * doc/c-tree.texi: Use `@.' where appropriate.
187 * doc/extend.texi: Likewise.
188 * doc/install.texi: Likewise.
189 * doc/invoke.texi: Likewise.
190 * doc/loop.texi: Likewise.
191 * doc/makefile.texi: Likewise.
192 * doc/md.texi: Likewise.
193 * doc/passes.texi: Likewise.
194 * doc/standards.texi: Likewise.
195 * doc/tm.texi: Likewise.
197 2008-02-15 Jakub Jelinek <jakub@redhat.com>
200 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
202 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
203 rather than in entry_bb.
205 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
207 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
208 libgcc_cmp_return mode.
210 2008-02-15 Jakub Jelinek <jakub@redhat.com>
213 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
214 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
216 2008-02-15 Richard Guenther <rguenther@suse.de>
217 Zdenek Dvorak <ook@ucw.cz>
219 PR tree-optimization/35164
220 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
221 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
222 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
223 Only propagate addresses which do not have abnormal SSA_NAMEs
226 2008-02-15 Joseph Myers <joseph@codesourcery.com>
229 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
231 2008-02-15 Jan Hubicka <jh@suse.cz>
234 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
236 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
239 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
240 when calculating alignment_pad.
242 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
244 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
245 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
246 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
247 and STACK_BOUNDARY define.
249 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
251 PR preprocessor/35061
252 * c-pragma.c (handle_pragma_pop_macro): Check that
253 pushed_macro_table has been allocated.
255 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
258 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
259 (force_gimple_operand): Likewise.
260 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
261 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
262 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
263 (find_interesting_uses_address): Check addressability and alignment
264 of the base expression only after substituting bases of IVs into it.
266 2008-02-14 Michael Matz <matz@suse.de>
269 * function.c (instantiate_virtual_regs_in_insn): Reload address
270 before falling back to reloading the whole operand.
272 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
274 * config/s390/s390.c (s390_mainpool_start): Emit the pool
275 before the first section switch note.
277 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
279 * doc/bugreport.texi: Update copyright years.
280 * doc/c-tree.texi: Likewise.
281 * doc/cfg.texi: Likewise.
282 * doc/cpp.texi: Likewise.
283 * doc/cppinternals.texi: Likewise.
284 * doc/fragments.texi: Likewise.
285 * doc/frontends.texi: Likewise.
286 * doc/gcc.texi: Likewise.
287 * doc/gty.texi: Likewise.
288 * doc/hostconfig.texi: Likewise.
289 * doc/implement-c.texi: Likewise.
290 * doc/libgcc.texi: Likewise.
291 * doc/loop.texi: Likewise.
292 * doc/makefile.texi: Likewise.
293 * doc/options.texi: Likewise.
294 * doc/passes.texi: Likewise.
295 * doc/rtl.texi: Likewise.
296 * doc/sourcebuild.texi: Likewise.
297 * doc/standards.texi: Likewise.
298 * doc/tree-ssa.texi: Likewise.
299 * doc/trouble.texi: Likewise.
301 * doc/extend.texi: Use @: or add comma where appropriate.
302 * doc/invoke.texi: Likewise.
303 * doc/tm.texi: Likewise.
305 2008-02-14 Alan Modra <amodra@bigpond.net.au>
308 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
311 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
313 * doc/md.texi (clz, ctz): Add reference.
314 * doc/rtl.texi (clz, ctz): Likewise.
316 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
319 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
322 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
324 * config/s390/s390.c (struct constant_pool): New field
325 emit_pool_after added.
326 (s390_mainpool_start): Set the emit_pool_after flag according
327 to the section switch notes.
328 (s390_mainpool_finish): Consider emit_pool_after when emitting
329 the literal pool at the end of the function.
330 (s390_chunkify_start): Force literal pool splits at section
333 2008-02-13 Michael Matz <matz@suse.de>
336 * var-tracking.c (clobber_variable_part): Correctly traverse the
339 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
342 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
343 Add -fdump-ipa-inline.
344 * tree-dump.c (dump_files): Remove tree-inlined dump.
345 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
347 2008-02-12 Richard Guenther <rguenther@suse.de>
349 PR tree-optimization/35171
350 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
353 2008-02-12 Richard Guenther <rguenther@suse.de>
356 * fold-const.c (fold_widened_comparison): Use get_unwidened in
357 value-preserving mode. Disallow final truncation.
359 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
362 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
364 (force_gimple_operand): ...here.
366 2008-02-12 Jakub Jelinek <jakub@redhat.com>
369 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
370 non-compatible pointers.
371 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
372 different FIELD_DECLs, try harder by comparing field offsets, sizes
376 * function.c (match_asm_constraints_1): Don't replace the same input
379 2008-02-12 Anatoly Sokolov <aesok@post.ru>
381 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
382 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
383 (expand_epilogue): Restore RAMPZ register.
384 * config/avr/avr.md (RAMPZ_ADDR): New constant.
386 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
388 * config/i386/cygwin.asm: (__alloca): Correct calling
389 convention and alignment.
390 (__chkstk): Force 8 byte stack alignment.
392 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
393 Richard Guenther <rguenther@suse.de>
395 PR tree-optimization/33992
396 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
397 the zero we compare against.
399 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
402 * gthr-win32.h (__gthread_mutex_destroy_function): New function
403 to CloseHandle after unlocking to prevent accumulation of handle
406 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
409 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
410 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
411 and update LABEL_NUSES during and after reload.
413 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
416 * combine.c (simplify_if_then_else): Make sure the comparison is
417 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
419 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
422 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
423 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
424 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
425 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
426 * tree.h (get_type_static_bounds): Likewise.
428 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
430 * doc/invoke.texi (Option Summary, C++ Dialect Options)
431 (Objective-C and Objective-C++ Dialect Options, Warning Options):
432 Make -Wfoo language annotations match what the compiler outputs.
434 2008-02-08 Sa Liu <saliu@de.ibm.com>
436 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
437 intrinsics spu_convts, spu_convtu, spu_convtf.
438 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
440 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
442 * doc/extend.texi (Function Attributes) <noinline>: Mention
443 asm ("") as method to keep calls.
445 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
448 * doc/options.texi (Options): Replace references to opts.sh with
450 * opts-common.c: Likewise.
451 * optc-gen.awk: Likewise.
453 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
455 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
457 2008-02-07 Richard Henderson <rth@redhat.com>
460 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
461 EXPR_LIST for the REG_EQUAL instead of a comparison with a
464 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
466 PR tree-optimization/35085
467 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
468 for operand entry oe2 in addition to operand entry oe3 in order to
469 expose more opportunities for vectorizer sum reduction.
471 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
474 * Makefile.in (LIBS): Remove $(GMPLIBS).
475 (cc1-dummy, cc1): Add $(GMPLIBS).
477 2008-02-06 Jan Hubicka <jh@suse.cz>
480 * i386.md (moddf_integer): Do not produce partial memory stalls for
481 targets where it hurts.
483 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
486 * optabs.c (expand_float): Do not check for decimal modes when
487 expanding unsigned integer through signed conversion.
489 2008-02-06 Nick Clifton <nickc@redhat.com>
491 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
492 inside the clobber with a match_operand and duplicated operand
493 number in the constraint.
494 (ineqbranchsi): Delete redundant comment.
496 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
498 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
499 builtin_define ("__USE_INIT_FINI__").
500 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
502 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
504 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
506 PR documentation/30330
507 * doc/invoke.texi (C++ Dialect Options)
508 (Objective-C and Objective-C++ Dialect Options, Warning Options):
509 For each warning option -Wfoo that allows -Wno-foo, ensure both
510 -Wfoo and -Wno-foo are listed in the option index. Fix index
511 entry of -Wswitch-default, index -Wnormalized= including the
512 `=', and -Wlarger-than-@var{len} including @var{len}.
514 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
516 * config/i386/i386.md (floatunssisf2): Use
517 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
518 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
519 Macroize expander using MODEF mode iterator.
521 2008-02-05 Diego Novillo <dnovillo@google.com>
523 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
526 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
528 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
533 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
536 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
537 to indicate if a message should be generated.
538 (init_cumulative_args): Updated.
539 (function_value_32): Likewise.
541 2008-02-05 Joseph Myers <joseph@codesourcery.com>
543 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
545 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
548 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
549 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
551 2008-02-04 Diego Novillo <dnovillo@google.com>
553 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
556 * tree-vrp.c (vrp_evaluate_conditional): With
557 -Wtype-limits, emit a warning when comparing against a
558 constant outside the natural range of OP0's type.
560 2008-02-04 Richard Guenther <rguenther@suse.de>
563 * expr.c (count_type_elements): Give for unions instead of
566 2008-02-04 Richard Guenther <rguenther@suse.de>
569 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
570 to TYPE_DOMAINs base type instead of using bitsizetype here.
572 2008-02-03 Jason Merrill <jason@redhat.com>
574 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
576 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
579 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
580 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
581 (RS/6000 and PowerPC Options): Fix typos and markup.
582 * doc/passes.texi (Tree-SSA passes): Likewise.
584 2008-02-02 Michael Matz <matz@suse.de>
587 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
588 from record_last_reg_set_info.
589 (record_last_reg_set_info): Take an RTX argument, iterate over all
590 constituent hardregs.
591 (record_last_set_info, record_opr_changes): Change calls to
592 new signature or to record_last_reg_set_info_regno.
594 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
596 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
598 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
600 PR rtl-optimization/34773
601 * reg-notes.def (EQUAL): Mention significance of combination of
602 REG_EQUAL and REG_RETVAL.
603 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
604 insn that has a REG_RETVAL.
606 2008-02-01 Roger Sayle <roger@eyesopen.com>
609 * configure.ac (--enable-fixed-point): Disable unless explicitly
611 * configure: Regenerate.
613 2008-02-01 Richard Guenther <rguenther@suse.de>
616 * invoke.texi (-finline-limit): Remove no longer true parts
617 of the documentation. Note that there is no default value.
619 2008-02-01 Andrew Pinski <pinskia@gmail.com>
620 Mark Mitchell <mark@codesourcery.com>
621 Ben Elliston <bje@au.ibm.com>
624 * doc/extend.texi (Other Builtins): Document.
626 2008-01-31 Tom Browder <tom.browder@gmail.com>
628 * doc/c-tree.texi (Types): Fix grammar.
629 (Expression trees): Ditto.
630 * doc/passes.texi (Tree-SSA passes): Ditto.
632 * doc/configterms.texi (Configure Terms): Fix typo.
633 * doc/cpp.texi (Common Predefined Macros): Ditto.
634 * doc/md.texi (Machine Constraints): Ditto.
636 * doc/makefile.texi (Makefile): Add comma.
638 2008-01-31 Tom Browder <tom.browder@gmail.com>
639 Gerald Pfeifer <gerald@pfeifer.com>
641 * doc/sourcebuild.texi (Front End): Remove references to CVS
643 (Texinfo Manuals): Replace reference to CVS by one to SVN.
644 (Back End): Remove reference to CVS.
646 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
649 * config/mips/mips.c (gen_load_const_gp): New function, taking a
651 (mips16_gp_pseudo_reg): ...here.
652 * config/mips/mips.md (load_const_gp): Replace with...
653 (load_const_gp_<mode>): ...this :P-based insn.
655 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
657 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
658 options. Minor fixes.
659 (-std): Move reference to standards closer to where language
660 standards are first mentioned.
662 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
664 PR rtl-optimization/34995
665 * reload.c (alternative_allows_const_pool_ref): Take an rtx
666 parameter and return a bool. If the rtx parameter is nonnull,
667 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
668 (find_reloads): Update call accordingly. Pass the new operand
669 if it needed no address reloads, otherwise pass null.
671 2008-01-30 Richard Henderson <rth@redhat.com>
674 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
675 for unbounded arrays.
677 2008-01-30 Silvius Rus <rus@google.com>
679 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
681 2008-01-30 Jan Hubicka <jh@suse.cz>
684 * i386.c (init_cumulative_args): Use real function declaration when
687 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
689 PR rtl-optimization/34998
690 * global.c (build_insn_chain): Treat non-subreg_lowpart
691 SUBREGs of pseudos as clobbering all the words covered by the
692 SUBREG, not just all the bytes.
693 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
694 original df_ref rather than an extract parameter.
695 (global_conflicts): Update call accordingly.
697 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
699 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
700 the overflow check to make it easier to read.
701 (__fixtfdi): Change the type of the ll member in union
702 long_double to UDItype_x.
704 2008-01-30 Jakub Jelinek <jakub@redhat.com>
707 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
708 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
709 * tree-inline.c (fold_marked_statements): Call
710 cgraph_update_edges_for_call_stmt if folding a call statement.
711 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
712 debug_generic_stmt calls, reset it back afterwards.
715 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
717 * c-typeck.c (build_external_ref): Don't pedwarn about
718 static vars in current function's scope.
720 2008-01-29 Joseph Myers <joseph@codesourcery.com>
722 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
724 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
727 * ipa-struct-reorg.c: Fix spelling.
730 2008-01-29 Richard Guenther <rguenther@suse.de>
733 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
735 * tree-inline.c (remap_type): Increment remapping_type_depth
736 around remapping types.
737 (copy_body_r): Only add referenced variables if they are referenced
738 from code, not types.
740 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
751 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
752 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
754 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
757 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
758 pointer for tiny stack.
760 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
762 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
764 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
766 * config/vx-common.h: Fix typo in comment.
768 2008-01-28 Ian Lance Taylor <iant@google.com>
772 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
773 coalesce pointers if they have different DECL_NO_TBAA_P values.
774 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
775 between variables with different DECL_NO_TBAA_P values.
777 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
780 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
781 are not legitimate small data references on SPE targets.
783 2008-01-28 David Daney <ddaney@avtrex.com>
785 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
787 2008-01-28 David Daney <ddaney@avtrex.com>
789 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
791 2008-01-27 Joseph Myers <joseph@codesourcery.com>
793 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
794 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
795 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
796 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
797 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
798 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
799 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
800 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
802 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
804 * basic-block.h (condjump_equiv_p): Fix comment.
806 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
808 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
809 print_generic_stmt_indented): Fix comment.
811 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
813 * configure.ac (__stack_chk_fail): Add detecion for availability
814 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
815 * configure: Regenerate.
817 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
820 * final.c (output_addr_const): Handle TRUNCATE.
822 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
825 * tree-ssa-loop-ivopts.c (comp_cost): New type.
826 (zero_cost, infinite_cost): New constants.
827 (struct cost_pair): Change type of cost to comp_cost.
828 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
829 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
831 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
832 split_address_cost, ptr_difference_cost, difference_cost,
833 get_computation_cost_at, get_computation_cost,
834 determine_use_iv_cost_generic, determine_use_iv_cost_address,
835 determine_use_iv_cost_condition, determine_use_iv_costs,
836 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
837 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
838 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
839 Change type of cost to comp_cost.
840 (determine_iv_cost): Increase cost of non-original ivs, instead
841 of decreasing the cost of original ones.
842 (get_address_cost): Indicate the complexity of the addressing mode
844 (try_add_cand_for): Prefer using ivs not specific to some object.
845 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
847 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
848 Janis Johnson <janis187@us.ibm.com>
851 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
852 (TARGET_INSTANTIATE_DECLS): Likewise.
853 * target.h (expand_to_rtl_hook): New target hook.
854 (instantiate_decls): Likewise.
855 * function.c (instantiate_decl): Make non-static. Rename to...
856 (instantiate_decl_rtl): ... this.
857 (instantiate_expr): Use instantiate_decl_rtl.
858 (instantiate_decls_1): Likewise.
859 (instantiate_decls): Likewise.
860 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
861 * function.h (instantiate_decl_rtl): Add prototype.
862 * cfgexpand.c (target.h): New include.
863 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
864 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
865 (TARGET_INSTANTIATE_DECLS): Likewise.
866 (TARGET_INITIALIZER): New target hooks added.
867 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
869 * config/rs6000/rs6000.c (tree-flow.h): New include.
870 (machine_function): Add sdmode_stack_slot field.
871 (rs6000_alloc_sdmode_stack_slot): New function.
872 (rs6000_instantiate_decls): Likewise.
873 (rs6000_secondary_memory_needed_rtx): Likewise.
874 (rs6000_check_sdmode): Likewise.
875 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
876 (TARGET_INSTANTIATE_DECLS): Likewise.
877 (rs6000_hard_regno_mode_ok): Allow SDmode.
878 (num_insns_constant): Likewise. Handle _Decimal32 constants.
879 (rs6000_emit_move): Handle SDmode.
880 (function_arg_advance): Likewise.
881 (function_arg): Likewise.
882 (rs6000_gimplify_va_arg): Likewise. Add special handling of
883 SDmode var args for 32-bit compiles.
884 (rs6000_secondary_reload_class): Handle SDmode.
885 (rs6000_output_function_epilogue): Likewise.
886 (rs6000_function_value): Simplify if statement.
887 (rs6000_libcall_value): Likewise.
888 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
889 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
890 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
891 (movsd_hardfloat): New define_insn.
892 (movsd_softfloat): Likewise.
893 (movsd_store): Likewise.
894 (movsd_load): Likewise.
895 (extendsddd2): Likewise.
896 (extendsdtd2): Likewise.
897 (truncddsd2): Likewise.
898 (movdd_hardfloat64): Fixup comment.
899 (UNSPEC_MOVSD_LOAD): New constant.
900 (UNSPEC_MOVSD_STORE): Likewise.
902 2008-01-26 Jakub Jelinek <jakub@redhat.com>
905 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
907 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
908 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
909 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
912 2008-01-26 David Edelsohn <edelsohn@gnu.org>
915 * config.gcc: Separate AIX 5.3 from AIX 6.1.
916 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
918 * config/rs6000/aix61.h: New file.
920 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
922 PR rtl-optimization/34959
923 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
924 popcount and parity rtxes the same mode as their operand.
925 Truncate or extend the result to the return value's mode
928 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
931 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
932 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
933 to GOT_VERSION_REGNUM.
934 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
935 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
936 * config/mips/mips.c (mips_emit_call_insn): New function.
937 (mips_call_tls_get_addr): Call mips_expand_call directly.
938 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
940 (mips16_build_call_stub): Likewise. Return the call insn or null.
941 (mips_expand_call): Update the call to mips16_build_call_stub
942 accordingly and a remove redundant condition. Assert that MIPS16
943 stubs do not use lazy binding. Use mips_emit_call_insn and return
945 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
947 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
948 (mips_avoid_hazard): Remove hazard_set handling.
949 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
950 (UNSPEC_RESTORE_GP): ...this.
951 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
952 (FAKE_CALL_REGNO): Rename to...
953 (GOT_VERSION_REGNUM): ...this.
954 (type): Add "ghost" value. Add an associated insn reservation.
955 (hazard_set): Remove.
956 (exception_receiver): Rename to...
957 (restore_gp): ...this and update the unspec identifier accordingly.
958 (exception_receiver, nonlocal_got_receiver): New expanders.
959 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
960 FAKE_CALL_REGNO. Remove hazard_set attribute.
961 (set_got_version, update_got_version): New patterns.
963 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
966 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
968 2008-01-25 Joseph Myers <joseph@codesourcery.com>
971 * doc/install.texi2html: Generate gcc-vers.texi.
973 2008-01-25 DJ Delorie <dj@redhat.com>
975 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
977 2008-01-25 Joseph Myers <joseph@codesourcery.com>
979 * config/c4x: Remove directory.
980 * config.gcc (crx-*, mt-*): Mark obsolete.
981 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
982 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
983 sh-*-rtemscoff*): Remove cases.
984 * defaults.h (C4X_FLOAT_FORMAT): Remove.
985 * real.c (encode_c4x_single, decode_c4x_single,
986 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
987 c4x_extended_format): Remove.
988 * real.h (c4x_single_format, c4x_extended_format): Remove.
989 * doc/extend.texi (interrupt, naked): Remove mention of attributes
991 (Pragmas): Remove comment about c4x pragmas.
992 * doc/install.texi (c4x): Remove target-specific instructions.
993 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
994 * doc/md.texi (Machine Constraints): Remove C4x documentation.
995 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
996 refer to C4x source files as examples.
997 (C4X_FLOAT_FORMAT): Remove documentation.
999 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
1001 * config/bfin/bfin.c (override_options): Reorder tests so that
1002 flag_pic gets enabled for -msep-data.
1004 2008-01-25 Richard Guenther <rguenther@suse.de>
1007 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1008 to its bitfield precision if required.
1010 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1013 * tree-nested.c (walk_omp_for): New function.
1014 (convert_nonlocal_reference, convert_local_reference): Call
1015 walk_omp_for on OMP_FOR.
1016 (convert_call_expr): Call walk_body on OMP_FOR's
1017 OMP_FOR_PRE_INIT_BODY.
1019 2008-01-25 Richard Guenther <rguenther@suse.de>
1021 PR tree-optimization/34966
1022 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1023 default defs and PHI_NODEs we have to insert after the
1026 2008-01-24 Nick Clifton <nickc@redhat.com>
1028 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1029 Provide a default definition.
1030 (LIBGCC2_UNITS_PER_WORD): Likewise.
1032 * config/stormy16/stormy16.c: Include df.h for the prototype
1033 for df_regs_ever_live_p.
1034 (xstormy16_expand_builtin_va_start): Convert the stack offset
1035 into a component_ref and then use POINTER_PLUS_EXPR to add it
1036 to the incoming_virtual_args_rtx.
1037 (xstormy16_gimplify_va_arg_expr): Rename to
1038 xstormy16_gimplify_va_arg_expr.
1039 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1040 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1041 xstormy16_gimplify_va_arg_expr.
1042 Fix up some formatting issues.
1044 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1045 Move to predicates.md.
1046 (xs_hi_general_operand): Likewise.
1047 (xs_hi_nonmemory_operand): Likewise.
1048 * config/stormy16/predicates.md:
1049 (xstormy16_carry_plus_operand): New predicate.
1050 (xs_hi_general_operand): New predicate.
1051 (xs_hi_nonmemory_operand): New predicate.
1052 * config/stormy16/stormy16-protos.h:
1053 (xstormy16_carry_plus_operand): Delete prototype.
1054 (xs_hi_general_operand): Likewise.
1055 (xs_hi_nonmemory_operand): Likewise.
1057 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1058 modifiers as they are no longer needed and they can trigger
1059 reload spill failures.
1061 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1062 with a match_operand in order to help reload.
1064 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1065 constraint with 'e' for the 8th alternative as this version of
1066 the mov.w instruction only accepts the lower 8 registers.
1068 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
1071 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1072 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1075 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1078 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1080 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1082 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1084 (remove_structure): Update allocations list before removing structure.
1086 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1088 * ipa-struct-reorg.c (is_safe_cond_expr,
1089 create_new_stmts_for_cond_expr): Use integer_zerop function,
1090 that recognize not only zero-pointer, but zero-integer too.
1092 2008-01-25 Ben Elliston <bje@au.ibm.com>
1095 * fixproto: Escape "." in sed expression that strips leading "./".
1097 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
1100 * gcc.c (SWITCH_OK): Removed.
1101 (SWITCH_LIVE): Changed to bit.
1102 (SWITCH_FALSE): Likewise.
1103 (SWITCH_IGNORE): Likewise.
1104 (switchstr): Change live_cond to unsigned int.
1105 (process_command): Replace SWITCH_OK with 0.
1106 (do_self_spec): Likewise.
1107 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1108 (give_switch): Likewise.
1109 (used_arg): Likewise.
1110 (do_spec_1): Set the SWITCH_IGNORE bit.
1111 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1112 bits. Set the SWITCH_LIVE bit.
1114 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
1116 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1118 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
1120 PR tree-optimization/34472
1121 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1122 parameter to a "bool *" and set *DATA to false if there is
1123 an unsafe access. Do not delete the structure here.
1124 (check_cond_exprs): Delete it here instead.
1125 (check_cond_exprs, exclude_cold_structs): Do not increase
1126 I when removing a structure.
1128 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
1131 * config/i386/i386.c (ix86_expand_vector_init): Consider only
1132 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1134 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
1137 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1138 a fixed vector for stack.
1140 2008-01-24 Ben Elliston <bje@au.ibm.com>
1143 * doc/gcc.texi (Software development): Add a direntry for g++.
1145 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
1147 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1148 stale and straggling -fforce-addr comments above.
1150 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1152 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1153 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1155 2008-01-23 Michael Matz <matz@suse.de>
1158 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1161 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1163 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1166 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1168 * config/avr/avr.c (avr_current_arch): New variable.
1169 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1170 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1171 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1172 (avr_override_options): Init 'avr_current_arch'.
1173 (base_arch_s): Move from here...
1174 * config/avr/avr.h (base_arch_s): ... here. Add new members
1175 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1176 'mega' to 'have_jmp_call'.
1177 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1178 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1180 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1182 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1183 MULTILIB_MATCHES): (Ditto.).
1185 2008-01-23 Richard Guenther <rguenther@suse.de>
1188 * cgraphunit.c (cgraph_reset_node): Always mark the node
1189 not reachable if it is not queued already.
1191 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1193 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1194 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1195 (cputype_selected): New static variable.
1196 (bfin_handle_option): Set it if -mcpu is used.
1197 (override_option): Select default set of workarounds if no cpu type
1198 selected on the command line.
1199 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1201 From Michael Frysinger <michael.frysinger@analog.com>
1202 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1203 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1205 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1206 for bf547, bf523, bf524, and bf526.
1207 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1209 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1210 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1211 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1212 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1213 * doc/invoke.texi (Blackfin Options): Document that
1214 -mcpu now accept bf547, bf523, bf524, and bf526.
1216 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1218 PR rtl-optimization/34628
1219 * combine.c (try_combine): Stop and undo after the first combination
1220 if an autoincrement side-effect on the first insn has effectively
1223 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1226 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1227 Offset addresses are not valid for Altivec or paired float modes.
1229 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1232 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1233 if DECL_INITIAL (decl) is error_mark_node.
1236 * c-common.c (handle_vector_size_attribute): Only allow
1237 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1238 the same way as pointer, array etc. types.
1239 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1242 * tree.c (build_type_attribute_qual_variant): Call
1243 build_qualified_type if attributes are equal, but quals are not.
1245 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1248 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1249 * flags.h (warn_strict_aliasing): Remove.
1250 (warn_strict_overflow): Remove.
1251 * opts.c (warn_strict_aliasing): Remove.
1252 (warn_strict_overflow): Remove.
1253 * c-opts.c (c_common_handle_option): -Wall only sets
1254 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1255 (c_common_post_options): Give default values to -Wstrict-aliasing
1256 and -Wstrict-overflow if they are uninitialized.
1257 * common.opt (Wstrict-aliasing): Specify Var and Init.
1258 (Wstrict-overflow): Likewise.
1260 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1262 PR rtl-optimization/26854
1263 PR rtl-optimization/34400
1264 PR rtl-optimization/34884
1265 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1267 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1268 (df_rd_bb_info.expanded_lr_out): Deleted
1269 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1270 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1271 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1272 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1273 Removed code to allocate, initialize or free expanded_lr_out.
1274 (df_rd_bb_local_compute_process_def): Restructured to make more
1276 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1277 sets if the sets are being trimmed.
1279 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1282 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1283 (as_vers): Likewise.
1284 * configure: Regenerated.
1286 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1289 * tree-pass.h (pass_build_alias): New pass.
1290 * tree-ssa-alias.c (gate_build_alias): New.
1291 (pass_build_alias): New.
1292 * passes.c (init_optimization_passes): Add pass_build_alias after
1293 pass_create_structure_vars.
1295 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1297 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1298 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1299 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1300 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1301 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1302 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1303 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1304 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1305 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1306 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1307 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1308 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1309 * config/s390/s390.md (FP_ALL): New mode iterator.
1310 (_d): New mode attribute.
1311 ("*signbit<mode>2>"): Changed mode of first operand.
1312 ("isinf<mode>2"): Changed mode of first operand.
1313 ("*TDC_insn"): Adaptation for DFP modes.
1315 2008-01-22 Ben Elliston <bje@au.ibm.com>
1317 * tree.c (check_qualified_type): Improve function description.
1319 2008-01-21 Jason Merrill <jason@redhat.com>
1322 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1323 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1326 2008-01-21 DJ Delorie <dj@redhat.com>
1328 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1331 2008-01-21 Richard Guenther <rguenther@suse.de>
1334 * tree-cfg.c (verify_expr): Allow all invariant expressions
1335 instead of just constant class ones as reference argument.
1336 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1337 like any other constant.
1338 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1340 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1342 * regmove.c (fixup_match_1): Update call crossed frequencies.
1344 2008-01-21 Richard Guenther <rguenther@suse.de>
1347 * tree-inline.c (setup_one_parameter): Deal with mismatched
1348 types using a VIEW_CONVERT_EXPR.
1350 2008-01-21 Alon Dayan <alond@il.ibm.com>
1351 Olga Golovanevsky <olga@il.ibm.com>
1353 PR tree-optimization/34701
1354 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1355 when the structure size is not a power of 2.
1357 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1359 * doc/install.texi: Add doc for --enable-checking=df.
1361 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1363 PR rtl-optimization/34808
1364 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1366 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1368 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1371 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1373 PR rtl-optimization/26854
1374 PR rtl-optimization/34400
1375 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1377 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1378 (df_rd_bb_info.expanded_lr_out): New.
1379 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1380 * loop_iv.c (iv_analysis_loop_init): Ditto.
1381 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1382 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1383 Added code to allocate, initialize or free expanded_lr_out.
1384 (df_rd_bb_local_compute_process_def): Restructured to make
1385 more understandable.
1386 (df_rd_confluence_n): Add code to do nothing with fake edges and
1387 code to no apply invalidate_by_call sets if the sets are being trimmed.
1388 (df_lr_local_finalize): Renamed to df_lr_finalize.
1389 (df_live_local_finalize): Renamed to df_live_finalize.
1391 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1394 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1395 deciding whether to use reciprocal instructions.
1397 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1399 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1400 dwarf2out_note_section_used if cold_text_section is NULL.
1402 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1404 PR gcov-profile/34610
1405 * tree-cfg.c (make_edges): Mark both outgoing edges from
1406 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1407 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1408 from OMP_FOR and OMP_CONTINUE outgoing edges.
1410 * tree-profile.c (tree_profiling): Return early if
1411 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1413 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1414 from cfun to child_cfun.
1415 * function.h (struct function): Add after_tree_profile bit.
1417 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1419 * config/avr/avr.S (_exit): Disable interrupt.
1421 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1422 Steven Bosscher <stevenb.gcc@gmail.com>
1424 PR rtl-optimization/26854
1425 PR rtl-optimization/34400
1426 * df-problems.c (df_live_scratch): New scratch bitmap.
1427 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1428 (df_live_reset): Clear the proper bitmaps.
1429 (df_live_bb_local_compute): Only process the artificial defs once
1430 since the order is not important.
1431 (df_live_init): Init the df_live sets only with the variables
1432 found live by df_lr.
1433 (df_live_transfer_function): Use the df_lr sets to prune the
1434 df_live sets as they are being computed.
1435 (df_live_free): Free df_live_scratch.
1437 2008-01-18 Ian Lance Taylor <iant@google.com>
1439 * common.opt: Add fmerge-debug-strings.
1440 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1441 flag_merge_debug_strings rather than flag_merge_constants.
1442 * doc/invoke.texi (Option Summary): Mention
1443 -fmerge-debug-strings.
1444 (Debugging Options): Document -fmerge-debug-strings.
1446 2008-01-18 Ian Lance Taylor <iant@google.com>
1449 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1450 (struct tree_function_decl): Add new field operator_new_flag.
1451 * tree-inline.c (expand_call_inline): When inlining a call to
1452 operator new, force the return value to go into a variable, and
1453 set DECL_NO_TBAA_P on that variable.
1454 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1456 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1459 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1460 DWARF2_DEBUGGING_INFO.
1461 (dwarf2out_note_section_used): Ditto. Add prototype.
1462 (have_multiple_function_sections, text_section_used,
1463 cold_text_section_used, *cold_text_sections): Move declarations
1466 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1468 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1469 field and add signal_ra.
1470 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1471 assignments to frame state pc. Move end of stack check after
1472 MD_FALLBACK_FRAME_STATE_FOR.
1473 (uw_update_context_1): Use frame state signal_regs if set, instead
1474 of checking signal_frame flag.
1475 (uw_update_context): Use frame state signal_ra if set.
1476 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1477 * config/xtensa/linux-unwind.h: New file.
1479 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1481 * modulo-sched.c (get_sched_window): Fix comment typo.
1483 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1485 PR tree-optimization/34648
1486 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1488 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1490 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1491 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1493 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1495 PR rtl-optimization/34400
1496 * df-core.c (df_worklist_dataflow_overeager,
1497 df_worklist_dataflow_doublequeue): New functions.
1498 (df_worklist_dataflow): Two different worklist solvers.
1499 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1502 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1505 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1506 and ftree-parallelize-loops.
1508 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1510 PR rtl-optimization/34826
1511 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1513 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1515 * global.c (find_reg): Mark the eh regs as used if necessary.
1516 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1517 * ra.h (struct allocno): no_eh_reg field added. Changed
1518 no_stack_reg type to bitfield.
1520 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1522 * tree.c (substitute_in_expr): Add missing 'break'.
1524 2008-01-17 Richard Guenther <rguenther@suse.de>
1526 PR tree-optimization/34825
1527 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1528 x / x as division to handle.
1530 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1532 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1533 "-pthread" is specified.
1534 * pa-hpux11.h (LIB_SPEC): Likewise.
1536 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1537 Peter Bergner <bergner@vnet.ibm.com>
1539 PR rtl-optimization/33796
1540 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1542 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1544 PR libgfortran/34699
1545 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1547 * pa-hpux10.h (LINK_SPEC): Likewise.
1548 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1550 2008-01-16 Richard Guenther <rguenther@suse.de>
1553 * fold-const.c (fold_convert_const_int_from_int): Do not
1554 set overflow if that occured only because of a sign extension
1555 change when converting from/to a sizetype with the same
1556 precision and signedness.
1558 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1561 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1562 location address to the correct place. Update copyright year.
1564 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1566 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1567 no dependences in the dependence_relations vector.
1569 2008-01-16 Jan Hubicka <jh@suse.cz>
1571 PR rtl-optimization/31396
1572 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1573 * cfg.c (dump_reg_info): Print it.
1574 * regs.h (struct reg_info_t): add freq_calls_crossed.
1575 (REG_FREQ_CALLS_CROSSED): New macro.
1576 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1577 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1578 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1579 regmove_optimize): Update call crossed frequencies.
1580 * local-alloc.c (struct qty): Add freq_calls_crossed.
1581 (alloc_qty): Copute freq_calls_crossed.
1582 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1583 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1584 * ra.h (struct allocno): Add freq_calls_crossed.
1586 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1588 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1589 libgomp when compiling with ftree-parallelize-loops.
1590 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1592 2008-01-16 Richard Guenther <rguenther@suse.de>
1594 PR tree-optimization/34769
1595 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1596 * tree.c (int_cst_value): Instead make this function more
1597 permissive in what it accepts as valid input. Document this
1598 function always sign-extends the value.
1600 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1601 Richard Guenther <rguenther@suse.de>
1604 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1605 (gimple_fold_indirect_ref_rhs): ... this.
1606 (gimple_fold_indirect_ref): New function with foldings
1607 that preserve lvalueness.
1608 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1609 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1610 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1611 to fold an INDIRECT_REF, fall back to the old use of
1612 fold_indirect_ref_1.
1614 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1616 * tree-data-ref.c (subscript_dependence_tester_1): Call
1617 free_conflict_function.
1618 (compute_self_dependence): Same.
1620 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1623 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1624 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1626 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1627 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1628 for DWARF2_UNWIND_INFO targets.
1630 2008-01-16 Richard Guenther <rguenther@suse.de>
1633 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1634 type qualifiers for function types.
1636 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1638 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1639 loop_iterator li from previous commit.
1641 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1643 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1645 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1647 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1648 (parallelize_loops): Don't parallelize irreducible components.
1650 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1653 * c-opts (c_common_post_options): Do not enable CPP
1654 flag_pedantic_errors by default.
1656 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1658 PR rtl-optimization/31944
1659 * cse.c (remove_pseudo_from_table): New function.
1660 (merge_equiv_classes): Use above function to remove pseudo-registers.
1661 (invalidate): Likewise.
1663 2008-01-13 Richard Guenther <rguenther@suse.de>
1666 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1667 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1669 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1671 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1672 validate_change to unshare the source of the PC set.
1674 2008-01-12 Jan Hubicka <jh@suse.cz>
1677 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1678 references above array bounds. This might trigger bounds checks for
1681 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1683 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1684 new_replaceable_dependencies.
1686 2008-01-12 Doug Kwan <dougkwan@google.com>
1688 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1689 instead of OPT_Wreturn_type in warning due to ignored return type
1691 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1692 options included in -Wextra.
1693 * c.opt: New option -Wignored_qualifiers.
1694 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1695 -Wignore_qualifiers.
1696 (-Wignored-qualifiers): Document.
1697 (-Wreturn-type): Remove description of functionality now handled
1698 by -Wignored-qualifiers.
1700 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1703 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1704 NOP_EXPR if it is between integral types with the same precision.
1706 2008-01-12 Jan Hubicka <jh@suse.cz>
1709 * invoke.texi (max-inline-recursive-depth): Fix default value.
1711 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1713 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1716 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1718 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1720 2008-01-11 James E. Wilson <wilson@specifix.com>
1723 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1725 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1727 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1728 save/restore frame pointer register and don't use 'call-prologues'
1729 optimization in function with "OS_task" attribute.
1731 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1734 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1735 when copying to memory.
1737 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1739 PR rtl-optimization/30905
1740 * cfgcleanup.c: Include dce.h
1741 (crossjumps_occured): New global variable.
1742 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1743 If something changed, set crossjumps_occured to true.
1744 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1745 Don't add/remove fake edges to exit here...
1746 (cleanup_cfg): ...but do it here, when crossjumping.
1747 Run a fast DCE when successful crossjumps occured in the latest
1748 iteration of try_optimize_cfg.
1750 2008-01-11 Richard Guenther <rguenther@suse.de>
1752 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1753 (struct vn_unary_op_s): Likewise.
1754 (vn_reference_insert): Free old reference on hash collision.
1756 2008-01-10 Raksit Ashok <raksit@google.com>
1758 PR rtl-optimization/27971
1759 * combine.c (find_split_point): Split PLUS expressions which are
1760 inside a MEM rtx, and whose first operand is complex.
1762 2008-01-10 DJ Delorie <dj@redhat.com>
1764 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1765 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1766 (m32c_hard_regno_ok): Call the underlying function.
1768 2008-01-10 Richard Guenther <rguenther@suse.de>
1771 * tree-cfg.c (tree_merge_blocks): Do not go through the
1772 full-blown folding and stmt updating path if we just deal
1773 with virtual operands.
1774 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1775 test for abnormal SSA_NAMEs.
1777 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1780 * reload.c (push_reload): Add assertions. All constants from
1781 reg_equiv_constant should have been used for replacing the respective
1783 (find_reloads_address): Invoke find_reloads_address_part for
1784 constant taken from the reg_equiv_constant array.
1786 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1788 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1789 field (valnum) the first in the struct. Replace bools with
1792 2008-01-10 Richard Guenther <rguenther@suse.de>
1794 PR tree-optimization/34651
1795 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1796 types and ordering for masking and converting.
1798 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1800 PR tree-optimization/34017
1801 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1802 also for PHI_NODE expressions.
1804 2008-01-09 Jan Hubicka <jh@suse.cz>
1806 PR tree-optimization/34708
1807 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1808 based on number of case labels.
1809 (init_inline_once): Remove switch_cost.
1810 * tree-inline.h (eni_weights_d): Remove switch_cost.
1812 2008-01-09 Richard Guenther <rguenther@suse.de>
1813 Andrew Pinski <andrew_pinski@playstation.sony.com>
1816 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1817 temporary if an rvalue is ok or an lvalue is not required.
1819 2008-01-09 Richard Guenther <rguenther@suse.de>
1822 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1825 2008-01-09 Richard Guenther <rguenther@suse.de>
1828 * tree.c (host_integerp): Check for sizetype only if the
1829 type is an integer type.
1831 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1834 * opts.c (decode_options): Disable inlining of functions called
1835 once if not in unit-at-a-time mode.
1837 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1839 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1841 2008-01-08 Richard Guenther <rguenther@suse.de>
1844 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1845 out early if the result will be unused.
1847 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1852 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1853 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1856 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1858 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1859 for vectorization tuned.
1861 2008-01-08 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/34683
1864 * tree-ssa-operands.c (operand_build_cmp): Export.
1865 * tree-ssa-operands.h (operand_build_cmp): Declare.
1866 * tree-vn.c (vuses_compare): Remove.
1867 (sort_vuses): Use operand_build_cmp.
1868 (sort_vuses_heap): Likewise.
1869 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1870 to re-use old VEC if available. Do not sort already sorted VUSEs.
1871 (vdefs_to_vec): Do not sort already sorted VDEFs.
1873 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1876 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1878 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1881 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1882 limitations of reciprocal sequences on x86 targets.
1884 2008-01-08 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/34683
1887 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1889 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1892 * config/darwin.c (darwin_mergeable_string_section): Don't use
1893 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1895 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1898 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1899 negxf2. Macroize expander using X87MODEF mode iterator. Change
1900 predicates of op0 and op1 to register_operand.
1901 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1902 expander using X87MODEF mode iterator. Change predicates of
1903 op0 and op1 to register_operand.
1904 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1905 corresponding patterns and macroize using MODEF macro. Change
1906 predicates of op0 and op1 to register_operand and remove
1907 "m" constraint. Disparage "r" alternative with "!".
1908 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1909 macroize using X87MODEF macro. Change predicates of op0 and op1
1910 to register_operand and remove "m" constraint. Disparage "r"
1911 alternative with "!".
1912 (absneg splitter with memory operands): Remove.
1913 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1914 patterns and macroize using X87MODEF mode iterator.
1915 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1916 Change predicate of op1 to register_operand.
1917 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1918 for memory operands.
1920 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1922 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1924 2008-01-07 Richard Guenther <rguenther@suse.de>
1926 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1929 2008-01-07 Richard Guenther <rguenther@suse.de>
1931 PR tree-optimization/34683
1932 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1933 VOPs of the needed size to save memory. Use VEC_quick_push
1934 to save compile-time.
1935 (vdefs_to_vec): Likewise.
1937 2008-01-07 Sa Liu <saliu@de.ibm.com>
1939 * config/spu/spu.md (divdf3): Genetate inline code for double
1940 division. The implementation doesn't handle INF or NAN, therefore it
1941 only applies when -ffinite-math-only is given.
1943 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1946 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1947 * doc/cpp.texi ([Common Predefined Macros]): Document.
1949 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1951 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1952 order to use commutative addition instead of subtraction.
1954 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1955 Mircea Namolaru <namolaru@il.ibm.com>
1956 Vladimir Yanovsky <yanov@il.ibm.com>
1957 Revital Eres <eres@il.ibm.com>
1959 PR tree-optimization/34263
1960 * tree-outof-ssa.c (process_single_block_loop_latch,
1961 contains_tree_r): New functions.
1962 (analyze_edges_for_bb): Call process_single_block_loop_latch
1963 function to empty single-basic-block latch block if possible.
1965 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1967 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1969 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1971 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1973 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1975 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1977 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1979 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1981 PR tree-optimization/34618
1982 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1985 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1988 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1989 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1990 Update copyright year.
1992 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1993 Update copyright year.
1994 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1997 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1999 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2000 edge does not point to current bb before changing need_assert.
2002 2008-01-04 Richard Guenther <rguenther@suse.de>
2005 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2006 for verifying purposes if they are is_gimple_min_invariant.
2008 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
2010 PR tree-optimization/34448
2011 PR tree-optimization/34465
2012 * gimplify.c (gimplify_init_constructor): Add new parameter
2013 notify_temp_creation. Use it.
2014 (gimplify_modify_expr_rhs): Take volatiles into account when
2015 optimizing constructors.
2016 Do not optimize constructors if gimplify_init_constructor will dump to
2018 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2019 * gcc.c-torture/compile/pr34448.c: New.
2021 2008-01-04 Jakub Jelinek <jakub@redhat.com>
2023 PR gcov-profile/34609
2024 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2025 return_slot if result is TREE_ADDRESSABLE.
2027 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
2029 * config/mips/mips.md (sqrt_condition): Tweak comment.
2030 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
2032 2008-01-03 Tom Tromey <tromey@redhat.com>
2035 * c-common.c (c_type_hash): Handle VLAs.
2037 2008-01-03 Jan Hubicka <jh@suse.cz>
2039 PR tree-optimization/31081
2040 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2041 0 when inlining and not inlining to first basic block.
2042 (remap_decl): When var is initialized to 0, don't set default_def.
2043 (expand_call_inline): Set entry_bb.
2044 * tree-inline.h (copy_body_data): Add entry_bb.
2046 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2049 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2052 PR tree-optimization/29484
2053 * tree-inline.c (inline_forbidden_p_2): New function.
2054 (inline_forbidden_p): Disallow inlining if some static var
2055 has an address of a local LABEL_DECL in its initializer.
2056 * doc/extend.texi (Labels as Values): Document &&foo behaviour
2059 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
2061 PR tree-optimization/34635
2062 * tree-data-ref.c (add_other_self_distances): Make sure that the
2063 evolution step is constant.
2065 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2068 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2070 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
2072 * tree-sra.c (scalarize_init): Insert the generate_element_init
2073 statements after the generate_element_zero statements.
2075 2008-01-02 Richard Guenther <rguenther@suse.de>
2079 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2080 for very large number of operands instead of ICEing.
2082 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
2085 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2086 while stack probing.
2088 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
2090 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2093 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
2096 * tree-mudflap.c (mx_register_decls): Guard warning by
2097 !DECL_ARTIFICIAL check.
2099 2008-01-01 Jakub Jelinek <jakub@redhat.com>
2101 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2102 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2103 sse5_perm<mode>): Fix constraints.