Jim Meyering [Sun, 10 Apr 2011 18:13:23 +0000 (18:13 +0000)]
Avoid memory overrun in a test leading to potential double-free.
2011-04-10 Jim Meyering <meyering@redhat.com>
Avoid memory overrun in a test leading to potential double-free.
* testsuite/test-expandargv.c (writeout_test): Fix off-by-one error:
i.e., do copy the trailing NUL byte.
Thomas Koenig [Fri, 8 Apr 2011 21:46:08 +0000 (21:46 +0000)]
re PR fortran/48448 (Implement -f(no-)frontend-optimization)
2011-04-08 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/48448
* gfortran.h (gfc_option_t): Add warn_function_elimination and
flag_frontend_optimize.
* lang.opt (Wfunction-elimination): Add.
(ffrontend-optimize): Add.
* invoke.texi: Add documentation for -Wfunction-elimination
and -ffrontend-optimize. Add -faggressive-function-elimination
to list of code generation options.
* frontend-passes.c (gfc_run_passes): Run optimizations if
flag_frontend_optimize is set.
(warn_function_elimination): New function.
(cfe_expr_0): Call it if requested to do so.
* options.c (gfc_init_options): Initiate warn_function_elimination
and flag_frontend_optimize.
(gfc_post_options): Set flag_frontend_optimize if not specified
by user, depending on the optimization level.
(gfc_handle_option): Handle -Wfunction-elimination and
-ffrontend-optimize.
2011-04-08 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/48448
* gfortran.dg/function_optimize_5.f90: New test.
Eric Botcazou [Fri, 8 Apr 2011 20:30:14 +0000 (20:30 +0000)]
decl.c (gnat_to_gnu_entity): Set minimum alignment on fields of the RETURN type built for the Copy-In...
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Procedure>: Set minimum
alignment on fields of the RETURN type built for the Copy-In Copy-Out
mechanism.
* gengtype.c (write_typed_alloc_def): New argument f. Use it instead
of header_file.
(write_typed_struct_alloc_def, write_typed_typedef_alloc_def)
(write_typed_alloc_defns): Likewise.
(main): Calls write_typed_alloc_defns with output_header.
re PR libstdc++/4435 (Object file has undefined basic_string symbol as local.)
2011-04-08 Vladimir Makarov <vmakarov@redhat.com>
PR 4435
* ira-color.c (setup_profitable_hard_regs): Add comments.
Don't take prohibited hard regs into account.
(setup_conflict_profitable_regs): Rename to
get_conflict_profitable_regs.
(check_hard_reg_p): Check prohibited hard regs.
re PR target/48366 (ICE in extract_constrain_insn_cached, at recog.c:2024)
PR target/48366
* config/pa/pa.c (hppa_register_move_cost): Increase to 18 cost of
move from floating point to shift amount register .
(emit_move_sequence): Remove secondary reload support for floating
point to shift amount amount register copies.
(pa_secondary_reload): Return GENERAL_REGS for floating point/shift
amount register copies.
* config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): For shift amount
register, return false if mode isn't a scalar integer mode.
* config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Likewise.
re PR rtl-optimization/48272 (internal compiler error: in setup_insn_reg_pressure_info, at haifa-sched.c:1124)
PR rtl-optimization/48272
* sched-deps.c (setup_insn_reg_pressure_info): Export and rename to
init_insn_reg_pressure_info. Adjust a caller.
* sched-int.h (init_insn_reg_pressure_info): Declare.
* haifa-sched.c (haifa_init_insn): Call init_insn_reg_pressure_info
when sched-pressure is enabled.
re PR lto/48467 ([LTO] Anomalous behavior of -save-temps)
2011-04-08 Richard Guenther <rguenther@suse.de>
PR lto/48467
* toplev.c (lang_dependent_init): Do not open asm_out_file
in WPA mode, nor perform debug machinery initialization.
(finalize): Do not unlink asm_out_file in WPA mode.
re PR rtl-optimization/48235 (ICE: SIGSEGV in has_dependence_p (sel-sched-ir.c:3263) with -fselective-scheduling2 and custom flags)
PR rtl-optimization/48235
* sel-sched.c (code_motion_process_successors): Recompute the last
insn in basic block if control flow changed.
(code_motion_path_driver): Ditto. Recompute the first insn as well.
Update condition for ilist_remove.
re PR rtl-optimization/48302 (ICE: SIGSEGV in reposition_prologue_and_epilogue_notes (function.c:5662) with -fcrossjumping -fselective-scheduling2)
PR rtl-optimization/48302
* sel-sched-ir.h (sel_add_loop_preheaders): Update prototype.
* sel-sched-ir.c (sel_add_loop_preheaders): Add 'bbs' argument. Use
it to record added preheader blocks.
* sel-sched.c (setup_current_loop_nest): Add 'bbs' argument. Pass it
on to sel_add_loop_preheaders.
(sel_region_init): Move call to setup_current_loop_nest after
sel_init_bbs.
re PR target/48273 (ICE: in create_copy_of_insn_rtx, at sel-sched-ir.c:5604 with -fsel-sched-pipelining -fselective-scheduling2 -march=core2)
PR target/48273
* cfgloop.h (loop_has_exit_edges): New helper.
* sel-sched-ir.c (init_global_and_expr_for_insn): Make CALLs
non-clonable.
* sel-sched.c (sel_setup_region_sched_flags): Don't pipeline loops
that have no exit edges.
Jakub Jelinek [Fri, 8 Apr 2011 11:38:19 +0000 (13:38 +0200)]
re PR tree-optimization/48377 (miscompilation at -O3)
PR tree-optimization/48377
* tree-vect-data-refs.c (vector_alignment_reachable_p): Set
is_packed to true even for types with smaller TYPE_ALIGN than
TYPE_SIZE.
arm-protos.h (arm_attr_length_push_multi): New prototype.
* config/arm/arm-protos.h (arm_attr_length_push_multi): New prototype.
* config/arm/arm.c (arm_attr_length_push_multi): New function.
* config/arm/arm.md (*push_multi): Change the length computation to
call a C function.
Jason Merrill [Fri, 8 Apr 2011 06:08:21 +0000 (02:08 -0400)]
re PR c++/48481 (C++ overloading memory hog)
PR c++/48481
* tree.c (build_overload): Allow an unwrapped FUNCTION_DECL
at the end of the chain.
* pt.c (dependent_template_p): Use OVL_CURRENT/NEXT.
(iterative_hash_template_arg): Likewise.
Jason Merrill [Thu, 7 Apr 2011 21:47:38 +0000 (17:47 -0400)]
re PR c++/48450 ([C++0x][SFINAE] Hard errors with static_cast expressions)
PR c++/48450
* typeck.c (check_for_casting_away_constness): Take complain.
(build_static_cast_1, build_reinterpret_cast_1): Pass it.
(build_const_cast_1): Pass it. Take full complain parm.
(build_const_cast, cp_build_c_cast): Adjust.
Jason Merrill [Thu, 7 Apr 2011 21:47:17 +0000 (17:47 -0400)]
init.c (build_value_init_noctor): Handle REFERENCE_TYPE at top level.
* init.c (build_value_init_noctor): Handle REFERENCE_TYPE at top
level.
(perform_member_init): Not here.
* typeck2.c (build_functional_cast): Limit REFERENCE_TYPE special
case to templates.
(abstract_virtuals_error_sfinae): Remove RESULT_DECL special case.
* config/i386/sse.md: Update copyright year.
(avxcvtvecmode): Remove.
(sse_movhlps): Merge with *avx_movhlps.
(sse_movlhps): Merge with *avx_movlhps.
(vec_interleave_highv4sf): Merge with *avx_interleave_highv4sf.
(vec_interleave_lowv4sf): Merge with *avx_interleave_lowv4sf.
(sse_shufps_<mode>): Merge with *avx_shufps_<mode>.
(sse_loadhps): Merge with *avx_loadhps.
(sse_storelps): Merge with *avx_storelps.
(sse_loadlps): Merge with *avx_loadlps.
(sse_movss): Merge with *avx_movss.
(*vec_concatv2sf_sse4_1): Merge with *vec_concatv2sf_avx.
(*vec_concatv4sf_sse): Merge with *vec_concatv4sf_avx.
(*vec_set<mode>_0_sse4_1): Merge with *vec_set<mode>_0_avx.
(*vec_set<mode>_0_sse2): Split multi-unit alternative.
(vec_set<mode>_0): Ditto.
(*vec_setv4sf_sse4_1): Merge with *vec_setv4sf_avx.
(sse4_1_insertps): Merge with *avx_insertps.
(*sse3_interleave_highv2df): Merge with *avx_interleave_highv2df.
(*sse3_interleave_lowv2df): Merge with *avx_interleave_lowv2df.
(vec_interleave_highv2di): Merge with *avx_interleave_highv2di.
(sse2_shufpd_<mode>): Merge with *avx_shufpd_<mode>.
(sse2_storehpd): Merge with *avx_storehpd.
(sse2_loadhpd): Merge with *avx_loadhpd.
(sse2_loadlpd): Merge with *avx_loadlpd.
(sse2_movsd): Merge with *avx_movsd.
(*vec_concatv2df): Merge with *vec_concatv2df.
Jakub Jelinek [Thu, 7 Apr 2011 17:58:05 +0000 (19:58 +0200)]
re PR debug/48343 (ICE compiling i586 linux-2.6.38/drivers/staging/wlan-ng/p80211wep.c: in form_sum, at reload.c:5338)
PR debug/48343
* combine.c (combine_instructions): Add last_combined_insn,
update it if insn is after it, pass it to all try_combine
calls.
(try_combine): Add last_combined_insn parameter, pass it instead of
i3 to propagate_for_debug.
Jakub Jelinek [Thu, 7 Apr 2011 17:57:26 +0000 (19:57 +0200)]
re PR debug/48343 (ICE compiling i586 linux-2.6.38/drivers/staging/wlan-ng/p80211wep.c: in form_sum, at reload.c:5338)
PR debug/48343
* combine.c (combine_instructions): Add last_combined_insn,
update it if insn is after it, pass it to all try_combine
calls.
(try_combine): Add last_combined_insn parameter, pass it instead of
i3 to propagate_for_debug.
Tom de Vries [Thu, 7 Apr 2011 09:48:39 +0000 (09:48 +0000)]
re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)
2011-04-07 Tom de Vries <tom@codesourcery.com>
PR target/43920
* cfgcleanup.c (try_crossjump_to_edge): Add dir parameter. Pass dir to
flow_find_cross_jump. Swap variables to implement backward replacement.
(try_crossjump_bb): Add argument to try_crossjump_to_edge.
Tom de Vries [Thu, 7 Apr 2011 08:35:23 +0000 (08:35 +0000)]
re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)
2011-04-07 Tom de Vries <tom@codesourcery.com>
PR target/43920
* cfgcleanup.c (walk_to_nondebug_insn): New function.
(flow_find_cross_jump): Use walk_to_nondebug_insn. Recalculate bb1 and
bb2.
(try_crossjump_to_edge): Handle case that newpos1 or newpos2 is not src1
or src2. Redirect edges to the last basic block. Update frequency and
count on multiple basic blocks in case of fallthru.
Tom de Vries [Thu, 7 Apr 2011 08:10:34 +0000 (08:10 +0000)]
re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)
2011-04-07 Tom de Vries <tom@codesourcery.com>
PR target/43920
* cfgcleanup.c (equal_different_set_p, can_replace_by, merge_dir): New
function.
(old_insns_match_p): Change return type. Replace return false/true with
return dir_none/dir_both. Use can_replace_by.
(flow_find_cross_jump): Add dir_p parameter. Init replacement direction
from dir_p. Register replacement direction in dir, last_dir and
afterlast_dir. Handle new return type of old_insns_match_p using
merge_dir. Return replacement direction in dir_p.
(flow_find_head_matching_sequence, outgoing_edges_match): Handle new
return type of old_insns_match_p.
(try_crossjump_to_edge): Add argument to call to flow_find_cross_jump.
* ifcvt.c ( cond_exec_process_if_block): Add argument to call to
flow_find_cross_jump.
* basic-block.h (enum replace_direction): New type.
(flow_find_cross_jump): Add parameter to declaration.
In C++0x mode, import iota and is_sorted from namespace std into namespace __gnu_cxx to avoid ambiguous call errors.
In C++0x mode, import iota and is_sorted from namespace std into
namespace __gnu_cxx to avoid ambiguous call errors. copy_n would be a
good candidate for this too, except it was standardized with a
different return type.
Tested:
`make -k check-c++` on x86_64-unknown-linux-gnu.
libstdc++-v3/ChangeLog:
2011-04-06 Jeffrey Yasskin <jyasskin@google.com>
* include/ext/algorithm (is_sorted): In C++0x mode import from
namespace std.
* include/ext/numeric (iota): In C++0x mode import from
namespace std.
* testsuite/ext/is_sorted/cxx0x.cc: New.
* testsuite/ext/iota/cxx0x.cc: New.
Rename some temporary conversion functions to shorter names.
* go-gcc.cc (Gcc_backend::if_statement): New function.
(tree_to_stat): New function.
(expr_to_tree): Renamed from expression_to_tree.
(stat_to_tree): Renamed from statement_to_tree.
Jakub Jelinek [Wed, 6 Apr 2011 11:49:59 +0000 (13:49 +0200)]
re PR debug/48466 (Wrong variable locations at -O0 on i686)
PR debug/48466
* dwarf2out.c (based_loc_descr): If drap_reg is INVALID_REGNUM, use
as base_reg whatever register reg has been eliminated to, instead
of hardcoding STACK_POINTER_REGNUM.
* gcc.dg/guality/pr36977.c: New test.
* gcc.dg/guality/pr48466.c: New test.
Joseph Myers [Wed, 6 Apr 2011 11:08:17 +0000 (12:08 +0100)]
tm.texi.in: Document C target hooks as separate from general target hooks.
* doc/tm.texi.in: Document C target hooks as separate from general
target hooks.
* doc/tm.texi: Regenerate.
* genhooks.c (struct hook_desc): Add docname field.
(HOOK_VECTOR_1, DEFHOOKPOD, DEFHOOK, DEFHOOK_UNDOC). Initialize
docname field.
(hook_array): Include c-target.def.
(emit_documentation): Use docname field in output.
(emit_init_macros): Take docname argument. Only emit definitions
for hooks matching docname.
(main): Expect additional arguments in all cases. Pass argument
to emit_init_macros.
* target.def: Move initial macro definitions and comments to
target-hooks-macros.h.
(gcc_targetcm): Move to c-family/c-target.def.
* target.h (targetcm): Move declaration to c-family/c-target.h.
* targhooks.c (default_handle_c_option): Move to
c-family/c-opts.c.
* targhooks.h (default_handle_c_option): Move declaration to
c-family/c-common.h.
* target-hooks-macros.h: New file.
* config.gcc (target_has_targetcm): Define and use to add to
c_target_objs and cxx_target_objs.
* config/default-c.c: New file.
* config/darwin-c.c: Include c-target.h and c-target-def.h instead
of target.h and target-def.h.
(TARGET_HANDLE_C_OPTION, targetcm): Define later in file.
(darwin_objc_construct_string, darwin_cfstring_ref_p,
darwin_check_cfstring_format_arg): Make static.
(TARGET_OBJC_CONSTRUCT_STRING_OBJECT,
TARGET_STRING_OBJECT_REF_TYPE_P,
TARGET_CHECK_STRING_OBJECT_FORMAT_ARG): Define here.
* config/darwin-protos.h (darwin_objc_construct_string,
darwin_cfstring_ref_p, darwin_check_cfstring_format_arg): Don't
declare.
* config/darwin.h (TARGET_OBJC_CONSTRUCT_STRING_OBJECT,
TARGET_STRING_OBJECT_REF_TYPE_P,
TARGET_CHECK_STRING_OBJECT_FORMAT_ARG, TARGET_HAS_TARGETCM):
Remove.
* config/t-darwin (darwin-c.o): Update dependencies.
* system.h (TARGET_HAS_TARGETCM): Poison.
* Makefile.in (TARGET_H): Update.
(TARGET_DEF, C_TARGET_DEF, C_TARGET_H, C_TARGET_DEF_H): Define.
(c-family/c-format.o, c-family/c-opts.o): Update dependencies.
(default-c.o): New target.
(s-target-hooks-def-h): Pass "Target Hook" string to genhooks.
(c-family/c-target-hooks-def.h, s-c-target-hooks-def-h): New
targets.
(s-tm-texi): Pass -d option to genhooks. Also test timestamp on
c-target.def.
(build/genhooks.o): Update dependencies.
c-family:
* c-target-def.h: New file.
* c-target.def: New file.
* c-target.h: New file.
* c-common.c (targetcm): Don't define here.
* c-common.h (default_handle_c_option): Declare.
* c-format.c: Include c-target.h instead of target.h.
* c-opts.c: Include c-target.h instead of target.h. Explicitly
include tm.h.
(default_handle_c_option): Move from targhooks.c.
objc:
* objc-act.c: Include c-target.h instead of target.h.
* Make-lang.in (objc/objc-act.o): Update dependencies.
* ipa-inline.c (enum inlining_mode): Remove.
(cgraph_flatten): Use some other token.
(cgraph_edge_early_inlinable_p): New function, split out from ...
(cgraph_perform_always_inlining): New function, split out from ...
(cgraph_decide_inlining_incrementally): ... here.
(cgraph_mark_inline_edge): Adjust.
(cgraph_early_inlining): Re-structure.
(pass_early_inline): Require SSA form.
Andrew Stubbs [Wed, 6 Apr 2011 09:52:52 +0000 (09:52 +0000)]
arm.h (arm_class_likely_spilled_p): Check against LO_REGS only for Thumb-1.
2011-03-06 Andrew Stubbs <ams@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Mark Shinwell <shinwell@codesourcery.com>
gcc/
* config/arm/arm.h (arm_class_likely_spilled_p): Check against
LO_REGS only for Thumb-1.
(MODE_BASE_REG_CLASS): Restrict base registers to those which can
be used in short instructions when optimising for size on Thumb-2.
Co-Authored-By: Julian Brown <julian@codesourcery.com> Co-Authored-By: Mark Shinwell <shinwell@codesourcery.com>
From-SVN: r172032
projects / thirdparty / gcc.git / log
