Andrew MacLeod [Thu, 10 Nov 2011 16:39:32 +0000 (16:39 +0000)]
re PR rtl-optimization/51040 (ICE: RTL check: access of elt 1 of 'not' with last elt 0 in gen_rtx_fmt_ee_stat, at ./genrtl.h:33 with __atomic_nand_fetch())
PR rtl-optimization/51040
* optabs.c (expand_atomic_fetch_op): Patchup code for NAND should be AND
followed by NOT.
* builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
should be AND followed by NOT.
* testsuite/gcc.dg/atomic-noinline[-aux].c: Test no-inline NAND and
patchup code.
Jakub Jelinek [Thu, 10 Nov 2011 15:36:48 +0000 (16:36 +0100)]
re PR rtl-optimization/51023 (likely integer wrong code bug)
PR rtl-optimization/51023
* combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
val_signbit_known_clear_p for signed comparison narrowing
optimization. Don't check for non-VOIDmode, use
HWI_COMPUTABLE_MODE_P macro.
<case ZERO_EXTEND>: Don't check for non-VOIDmode.
Optimize even when const_op is equal to GET_MODE_MASK (mode),
don't optimize if const_op is negative.
Richard Guenther [Thu, 10 Nov 2011 13:46:27 +0000 (13:46 +0000)]
re PR tree-optimization/51070 (ICE verify_gimple failed)
2011-11-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/51070
* tree-loop-distribution.c (generate_builtin): Do not replace
the loop with a builtin if the partition contains statements which
results are used outside of the loop.
(pass_loop_distribution): Verify and collect.
Richard Guenther [Thu, 10 Nov 2011 12:24:52 +0000 (12:24 +0000)]
re PR tree-optimization/51030 (PHI opt does not handle value-replacement with a transfer function)
2011-11-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/51030
* tree-ssa-phiopt.c (jump_function_from_stmt): New function.
(value_replacement): Use it to handle trivial non-empty
intermediate blocks.
Jakub Jelinek [Thu, 10 Nov 2011 08:29:52 +0000 (09:29 +0100)]
re PR tree-optimization/51000 (ICE: in vect_get_store_cost, at tree-vect-stmts.c:923 on powerpc-apple-darwin9)
PR tree-optimization/51000
* tree-vect-patterns.c (vect_recog_bool_pattern): If adding
a pattern stmt for a bool store, adjust DR_STMT too.
Don't handle bool conversions to single bit precision lhs.
* tree-vect-stmts.c (vect_remove_stores): If next is a pattern
stmt, remove its related stmt and free its stmt_vinfo.
(free_stmt_vec_info): Free also pattern stmt's vinfo and
pattern def stmt's vinfo.
* tree-vect-loop.c (destroy_loop_vec_info): Don't try to
free pattern stmt's vinfo here.
(vect_transform_loop): When calling vect_remove_stores,
do gsi_next first and don't call gsi_remove. If not strided
store, free stmt vinfo for gsi_stmt (si) rather than stmt.
Jakub Jelinek [Wed, 9 Nov 2011 21:37:27 +0000 (22:37 +0100)]
re PR target/50911 (assertion failure in expand_vec_perm_interleave2 with -msse)
PR target/50911
* config/i386/i386.c (expand_vec_perm_interleave2): If d->vmode is
V4SImode, !TARGET_SSE2 and punpck[lh]* is needed, change dremap.vmode
to V4SFmode.
* gcc.dg/torture/vshuf-16.inc: Add interleave low and high
permutations.
* gcc.dg/torture/vshuf-32.inc: Likewise.
* gcc.dg/torture/vshuf-4.inc: Likewise.
* gcc.dg/torture/vshuf-8.inc: Likewise.
Jakub Jelinek [Wed, 9 Nov 2011 21:28:57 +0000 (22:28 +0100)]
function.h (requires_stack_frame_p): New prototype.
* function.h (requires_stack_frame_p): New prototype.
* function.c (requires_stack_frame_p): No longer static.
* config/i386/i386.c (ix86_finalize_stack_realign_flags): If
stack_realign_fp was just a conservative guess for a function
which doesn't use sp/fp/argp at all, clear frame_pointer_needed
and stack realignment.
Jonathan Wakely [Wed, 9 Nov 2011 21:14:03 +0000 (21:14 +0000)]
allocator.h (__shrink_to_fit_aux::_S_do_it): Create the new object with the same allocator.
* include/bits/allocator.h (__shrink_to_fit_aux::_S_do_it): Create
the new object with the same allocator.
* testsuite/23_containers/vector/capacity/shrink_to_fit2.cc: New.
libgcc/:
* generic-morestack.c: Include <string.h>.
(uintptr_type): Define.
(struct initial_sp): Add dont_block_signals field. Reduce size of
extra array by 1.
(allocate_segment): Set prev field to NULL. Don't set
__morestack_current_segment or __morestack_segments.
(__generic_morestack): Update current->prev and *pp after calling
allocate_segment.
(__morestack_block_signals): Don't do anything if
dont_block_signals is set.
(__morestack_unblock_signals): Likewise.
(__generic_findstack): Check for initial_sp == NULL. Add casts to
uintptr_type.
(__splitstack_block_signals): New function.
(enum __splitstack_content_offsets): Define.
(__splitstack_getcontext, __splitstack_setcontext): New functions.
(__splitstack_makecontext): New function.
(__splitstack_block_signals_context): New function.
(__splitstack_find_context): New function.
* config/i386/morestack.S (__morestack_get_guard): New function.
(__morestack_set_guard, __morestack_make_guard): New functions.
* libgcc-std.ver.in: Add new functions to GCC_4.7.0.
gcc/testsuite/:
* lib/target-supports.exp (check_effective_target_ucontext_h): New
procedure.
* gcc.dg/split-5.c: New test.
Janne Blomqvist [Wed, 9 Nov 2011 18:25:58 +0000 (20:25 +0200)]
Configure cleanup.
2011-11-09 Janne Blomqvist <jb@gcc.gnu.org>
* configure.ac (AC_STDC_HEADERS): Remove.
(AC_HEADER_TIME): Remove.
(AC_HAVE_HEADERS, AC_CHECK_HEADERS): Move into a single invocation
of AC_CHECK_HEADERS_ONCE, don't check for presence of C89 headers.
(AC_CHECK_MEMBERS): Use single invocation.
(AC_CHECK_FUNCS): Move into single invocation of
AC_CHEC_FUNCS_ONCE, don't check for presence of C89 functions.
* config.h.in: Regenerate.
* configure: Regenerate.
* intrinsics/clock.c: Include time.h.
(mclock): Assume clock() is present.
(mclock8): Likewise.
* intrinsics/ctime.c (strctime): Assume strftime is present.
(fdate): Assume time() is present.
(fdate_sub): Likewise.
(ctime): Likewise.
* intrinsics/date_and_time.c: Don't provide abs macro.
(HAVE_NO_DATE_TIME): Remove code related to macro which is never
set.
* intrinsics/execute_command_line.c: Assume stdlib.h is present.
* intrinsics/exit.c: Likewise.
* intrinsics/extends_type_of.c: Likewise.
* intrinsics/gerror.c: Assume strerror() is present.
* intrinsics/kill.c: Assume signal.h is present.
* intrinsics/malloc.c: Assume stdlib.h is present.
* intrinsics/move_alloc.c: Likewise.
* intrinsics/perror.c: Assume perror() is present.
* intrinsics/signal.c: Assume signal.h is present.
* intrinsics/stat.c: Assume stdlib.h is present.
* intrinsics/system.c: Likewise.
* intrinsics/time.c: Include time.h, assume time() is present.
* intrinsics/time_1.h: Conditionally include sys/time.h,
unconditionally time.h.
(gf_cputime): Do division in double, fallback using clock().
(gf_gettime): Assume time() is present.
* intrinsics/umask.c: Assume stdlib.h is present.
* runtime/backtrace.c: Likewise.
* runtime/compile_options.c: Assume signal.h is present, assume
C89 signals are present.
* runtime/error.c: Assume signal.h and stdlib.h are present.
* configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
* configure, aclocal.m4, config.h.in: Rebuild.
* config/generic/asmcfi.h: New file.
* config/x86/sjlj.S: Use it.
revert: tree-cfg.c (verify_gimple_call): Verify that gimple_call_cannot_inline_p is returning a conservative correct...
2011-11-09 Richard Guenther <rguenther@suse.de>
Revert
2011-11-09 Richard Guenther <rguenther@suse.de>
* tree-cfg.c (verify_gimple_call): Verify that
gimple_call_cannot_inline_p is returning a conservative
correct result according to gimple_check_call_matching_types.
re PR tree-optimization/51039 (ICE: in estimate_function_body_sizes, at ipa-inline-analysis.c:1977 with -finline-small-functions -fno-ipa-pure-const and passing incompatible function ptr)
2011-11-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/51039
* tree-cfg.c (verify_gimple_call): Verify that
gimple_call_cannot_inline_p is returning a conservative
correct result according to gimple_check_call_matching_types.
* ipa-inline-analysis.c (estimate_function_body_sizes): Remove
code dealing with un-inlinablility.
* gimple-streamer-in.c (input_gimple_stmt): Update the
non-inlinable flag.
re PR tree-optimization/51039 (ICE: in estimate_function_body_sizes, at ipa-inline-analysis.c:1977 with -finline-small-functions -fno-ipa-pure-const and passing incompatible function ptr)
Janus Weil [Wed, 9 Nov 2011 09:45:36 +0000 (10:45 +0100)]
re PR fortran/50960 ([OOP] vtables not marked as constant)
2011-11-09 Janus Weil <janus@gcc.gnu.org>
PR fortran/50960
* class.c (gfc_find_derived_vtab): Make the vtab symbols FL_PARAMETER.
* expr.c (gfc_simplify_expr): Prevent vtabs from being replaced with
their value.
* resolve.c (resolve_values): Use-associated symbols do not need to
be resolved again.
(resolve_fl_parameter): Make sure the symbol has a value.
Jonathan Wakely [Wed, 9 Nov 2011 01:26:04 +0000 (01:26 +0000)]
stl_vector.h (vector::_Alloc_traits): Make private.
* include/bits/stl_vector.h (vector::_Alloc_traits): Make private.
* include/debug/vector: Add allocator-extended constructors, ensure
move assignment and swap have same allocator propagation semantics
and exceptions specification as base class.
* include/profile/vector: Likewise.
(vector::push_back(_Tp&&)): Forward argument as rvalue.
* testsuite/23_containers/vector/debug/alloc_prop.cc: New.
* doc/xml/manual/status_cxx2011.xml: Clarify status of container
requirements with respect to allocators.
(status.iso.200x): Add anchor for old ID to preserve existing links.
Alan Modra [Wed, 9 Nov 2011 01:20:14 +0000 (11:50 +1030)]
function.c (bb_active_p): Delete.
* function.c (bb_active_p): Delete.
(dup_block_and_redirect, active_insn_between): New functions.
(convert_jumps_to_returns, emit_return_for_exit): New functions,
split out from..
(thread_prologue_and_epilogue_insns): ..here. Delete
shadowing variables. Don't do prologue register clobber tests
when shrink wrapping already failed. Delete all last_bb_active
code. Instead compute tail block candidates for duplicating
exit path. Remove these from antic set. Duplicate tails when
reached from both blocks needing a prologue/epilogue and
blocks not needing such.
* ifcvt.c (dead_or_predicable): Test both flag_shrink_wrap and
HAVE_simple_return.
* bb-reorder.c (get_uncond_jump_length): Make global.
* bb-reorder.h (get_uncond_jump_length): Declare.
* cfgrtl.c (rtl_create_basic_block): Comment typo fix.
(rtl_split_edge): Likewise. Warning fix.
(rtl_duplicate_bb): New function.
(rtl_cfg_hooks): Enable can_duplicate_block_p and duplicate_block.
* Makefile.in (function.o): Update dependencies.
* config/cris/cris.h (MODE_CODE_BASE_REG_CLASS): Add address
space argument.
(REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
* config/bfin/bfin.h (MODE_CODE_BASE_REG_CLASS): Likewise.
(REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
* config/avr/avr.h (MODE_CODE_BASE_REG_CLASS): Add address space
argument.
(REGNO_MODE_CODE_OK_FOR_BASE_P): Ditto.
* config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
(avr_regno_mode_code_ok_for_base_p): Ditto.
* config/avr/avr.c (avr_mode_code_base_reg_class): Ditto.
(avr_regno_mode_code_ok_for_base_p): Ditto.
(avr_reg_ok_for_addr_p): Pass AS down to
avr_regno_mode_code_ok_for_base_p.
* addresses.h (base_reg_class): Add address space argument.
Pass to MODE_CODE_BASE_REG_CLASS.
(ok_for_base_p_1): Add address space argument. Pass to
REGNO_MODE_CODE_OK_FOR_BASE_P.
(regno_ok_for_base_p): Add address space argument. Pass to
ok_for_base_p_1.
* regrename.c (scan_rtx_address): Add address space argument.
Pass address space to regno_ok_for_base_p and base_reg_class.
Update recursive calls.
(scan_rtx): Pass address space to scan_rtx_address.
(build_def_use): Likewise.
* regcprop.c (replace_oldest_value_addr): Add address space
argument. Pass to regno_ok_for_base_p and base_reg_class.
Update recursive calls.
(replace_oldest_value_mem): Pass address space to
replace_oldest_value_addr.
(copyprop_hardreg_forward_1): Likewise.
* reload.c (find_reloads_address_1): Add address space argument.
Pass address space to base_reg_class and regno_ok_for_base_p.
Update recursive calls.
(find_reloads_address): Pass address space to base_reg_class,
regno_ok_for_base_p, and find_reloads_address_1.
(find_reloads): Pass address space to base_reg_class.
(find_reloads_subreg_address): Likewise.
* ira-costs.c (record_reg_classes): Update calls to base_reg_class.
(ok_for_base_p_nonstrict): Add address space argument. Pass to
ok_for_base_p_1.
(record_address_regs): Add address space argument. Pass to
base_reg_class and ok_for_base_p_nonstrict. Update recursive calls.
(record_operand_costs): Pass address space to record_address_regs.
(scan_one_insn): Likewise.
* tree.h (TREE_CLOBBER_P): New macro.
* gimple.h (gimple_clobber_p): New inline function.
* gimplify.c (gimplify_bind_expr): Add clobbers for all variables
that go out of scope and live in memory.
* tree-ssa-operands.c (get_expr_operands): Transfer volatility also
for constructors.
* cfgexpand.c (decl_to_stack_part): New static variable.
(add_stack_var): Allocate it, and remember mapping.
(fini_vars_expansion): Deallocate it.
(stack_var_conflict_p): Add early outs.
(visit_op, visit_conflict, add_scope_conflicts_1,
add_scope_conflicts): New static functions.
(expand_used_vars_for_block): Don't call add_stack_var_conflict, tidy.
(expand_used_vars): Add scope conflicts.
(expand_gimple_stmt_1): Expand clobbers to nothing.
(expand_debug_expr): Ditto.
* tree-pretty-print.c (dump_generic_node): Dump clobbers nicely.
* tree-ssa-live.c (remove_unused_locals): Remove clobbers that
refer to otherwise unused locals.
* tree-sra.c (build_accesses_from_assign): Ignore clobbers.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Clobbers of
SSA names aren't necessary.
(propagate_necessity): Accept and ignore constructors on the rhs,
tidy.
* gimple.c (walk_gimple_op): Accept constructors like mem_rhs.
* tree-ssa-structalias.c (find_func_aliases): Clobbers don't store
any known value.
* tree-ssa-sccvn.c (vn_reference_lookup_3): Ditto, in particular they
don't zero-initialize something.
* tree-ssa-phiopt.c (cond_if_else_store_replacement_1): Ignore
clobber RHS, we don't want PHI nodes with those.
testsuite/
* gcc.dg/tree-ssa/20031015-1.c: Adjust.
* g++.dg/tree-ssa/ehcleanup-1.C: Ditto.
* g++.dg/eh/builtin1.C: Rewrite to not use local variables.
* g++.dg/eh/builtin2.C: Ditto.
* g++.dg/eh/builtin3.C: Ditto.
Jonathan Wakely [Tue, 8 Nov 2011 16:45:54 +0000 (16:45 +0000)]
shared_ptr_base.h (_Sp_counted_ptr): Make 'final'.
* include/bits/shared_ptr_base.h (_Sp_counted_ptr): Make 'final'.
(_Sp_counted_deleter): Make 'final'. Use allocator_traits.
(_Sp_counted_ptr_inplace): Make 'final'. Use allocator_traits.
Derive from _Sp_counted_ptr instead of _Sp_counted_deleter to use EBO
for the allocator.
(__shared_count, __shared_ptr): Use allocator_traits.
* include/std/future (__future_base::_Result_alloc): Make 'final'. Use
allocator traits.
(__future_base::_Task_state): Make 'final'.
(__future_base::_Deferred_state): Likewise.
(__future_base::_Async_state): Likewise.
* testsuite/20_util/shared_ptr/cons/alloc_min.cc: New.
* testsuite/20_util/shared_ptr/creation/alloc_min.cc: New.
* testsuite/20_util/shared_ptr/creation/private.cc: New.
* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust line numbers.
* testsuite/30_threads/packaged_task/cons/alloc_min.cc: New.
* testsuite/30_threads/promise/cons/alloc_min.cc: New.
* tree-vect-stmts.c (vectorizable_call): Add SLP_NODE argument.
Handle vectorization of SLP calls.
(vect_analyze_stmt): Adjust caller, add call to it for SLP too.
(vect_transform_stmt): Adjust vectorizable_call caller, remove
assertion.
* tree-vect-slp.c (vect_get_and_check_slp_defs): For calls start
with op_idx 3.
(vect_build_slp_tree): Allow CALL_EXPR.
* lib/target-supports.exp (check_effective_target_vect_call_sqrtf,
check_effective_target_vect_call_copysignf,
check_effective_target_vect_call_lrint): New procedures.
* gcc.dg/vect/vect.exp: Run fast-math-bb-slp* tests using
$VECT_SLP_CFLAGS with -ffast-math.
* gcc.dg/vect/fast-math-vect-call-1.c: New test.
* gcc.dg/vect/fast-math-vect-call-2.c: New test.
* gcc.dg/vect/fast-math-bb-slp-call-1.c: New test.
* gcc.dg/vect/fast-math-bb-slp-call-2.c: New test.
Dodji Seketeli [Tue, 8 Nov 2011 10:27:34 +0000 (10:27 +0000)]
Fix context handling of alias-declaration
gcc/cp/
* decl.c (start_decl): Update comment.
* error.c (dump_alias_template_specialization): Dump the context
of the specialization.
* parser.c (cp_parser_alias_declaration): Call pop_scope on the
pushed scope yielded by start_decl.
Jonathan Wakely [Tue, 8 Nov 2011 01:23:53 +0000 (01:23 +0000)]
future (__future_base::_Ptr): Use alias-declaration.
* include/std/future (__future_base::_Ptr): Use alias-declaration.
(__is_same_pkgdtask): Rename to __constrain_pkgdtask and use decay
instead of remove_reference so that cv-quals are removed.