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Bernd Schmidt
1744c80034 * config/arm/arm.md (Thumb-1 ldrsb peephole): New. 
From-SVN: r162021
 2010-07-09 21:45:44 +00:00
Bernd Schmidt
0879e7b37b arm.md (addsi3_cbranch): Switch alternatives 0 and 1. 
* config/arm/arm.md (addsi3_cbranch): Switch alternatives 0 and 1.

From-SVN: r162020
 2010-07-09 21:44:11 +00:00
Bernd Schmidt
c033690d7e reload.c (find_reloads): Don't clear badop if we have a winreg alternative... 
* reload.c (find_reloads): Don't clear badop if we have a
	winreg alternative, but not win, and the class only has fixed
	regs.
	* hard-reg-set.h (class_only_fixed_regs): Declare.
	* reginfo.c (class_only_fixed_regs): New array.
	(init_reg_sets_1): Initialize it.
	* config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn): Don't
	discourage alternatives using the stack pointer.

testsuite/
	* gcc.dg/pr32370.c: Allow another kind of error message.

From-SVN: r162019
 2010-07-09 21:40:48 +00:00
Richard Guenther
e8edaf9523 gimple.c (struct type_fixup_s): New struct and VEC type. 
2010-07-09  Richard Guenther  <rguenther@suse.de>

	* gimple.c (struct type_fixup_s): New struct and VEC type.
	(gimple_register_type_fixups): New static global.
	(gimple_queue_type_fixup): New function.
	(gimple_types_compatible_p): Queue type fixups instead of
	applying them here.
	(gimple_register_type): Apply queued fixups for the
	canonical type.  Empty the type fixup queue.

From-SVN: r162017
 2010-07-09 21:37:54 +00:00
Uros Bizjak
abcb0bd9b7 * config.in: Regenerate. 
From-SVN: r162016
 2010-07-09 23:09:04 +02:00
Uros Bizjak
7085bfb622 configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Fix test. 
* configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Fix test.
        * configure: Regenerate.

From-SVN: r162015
 2010-07-09 23:00:08 +02:00
Eric Botcazou
bb02177133 trans.c (gnat_gimplify_expr): Deal with CALL_EXPR. 
* gcc-interface/trans.c (gnat_gimplify_expr) <ADDR_EXPR>: Deal with
	CALL_EXPR.

From-SVN: r162014
 2010-07-09 20:23:14 +00:00
Jakub Jelinek
85e693aa55 re PR tree-optimization/28632 (VRP should understand bitwise OR and AND) 
PR tree-optimization/28632
	* tree-vrp.c (zero_nonzero_bits_from_vr): New function.
	(extract_range_from_binary_expr): Further optimize
	BIT_AND_EXPR and BIT_IOR_EXPR.

	* gcc.dg/tree-ssa/vrp51.c: New test.
	* gcc.dg/tree-ssa/vrp52.c: New test.

Co-Authored-By: Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
Co-Authored-By: Denys Vlasenko <dvlasenk@redhat.com>

From-SVN: r162009
 2010-07-09 21:40:03 +02:00
Jason Merrill
02dea3ffc6 re PR c++/43120 (Virtual inheritance with covariant return type confuses GCC) 
PR c++/43120
	* cp-tree.h (BV_LOST_PRIMARY): New macro.
	* class.c (update_vtable_entry_for_fn): Fix covariant thunk logic.
	Set BV_LOST_PRIMARY.
	(build_vtbl_initializer): Check BV_LOST_PRIMARY.

From-SVN: r162008
 2010-07-09 15:36:19 -04:00
Sebastian Pop
59ee2304b0 Outline fold_or_predicates from add_to_predicate_list. 
2010-07-09  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-if-conv.c (fold_or_predicates): New.
	(add_to_predicate_list): Call it.

From-SVN: r162007
 2010-07-09 18:58:20 +00:00
Janus Weil
6685e80691 intrinsic.texi: Add documentation for SAME_TYPE_AS... 
2010-07-09  Janus Weil  <janus@gcc.gnu.org>

	* intrinsic.texi: Add documentation for SAME_TYPE_AS, EXTENDS_TYPE_OF,
	STORAGE_SIZE, C_NULL_PTR and C_NULL_FUNPTR. Modify documentation of
	SIZEOF and C_SIZEOF.

From-SVN: r162006
 2010-07-09 20:40:09 +02:00
Richard Guenther
38a178dd99 re PR middle-end/44890 (Hitting gcc_assert in build2_stat with pr30388.c testsuite test case) 
2010-07-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44890
	* tree-ssa-address.c (create_mem_ref_raw): Only build a MEM_REF
	if base is a pointer.
	* tree-cfg.c (verify_expr): Update MEM_REF checking.

From-SVN: r162005
 2010-07-09 18:32:29 +00:00
Michael Meissner
c8aa02cc70 re PR target/44877 (C++ compiler can no longer compile dealII for VSX/Altivec vectorization) 
PR 44877

From-SVN: r162002
 2010-07-09 16:10:10 +00:00
Uros Bizjak
4bade865ff configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Also check for "lock addl". 
* configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Also check
	for "lock addl".
	* configure: Regenerate.
	* config/i386/i386.c (ix86_print_operand) <case ';'>:
	Remove TARGET_MACHO.

From-SVN: r162001
 2010-07-09 18:02:58 +02:00
Peter Bergner
2c9ccc21b1 rs6000.c (rs6000_override_options): Fix setting of default ISA flags. 
* config/rs6000/rs6000.c (rs6000_override_options): Fix setting of
	default ISA flags.
	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mvsx.

From-SVN: r161999
 2010-07-09 10:00:55 -05:00
Tom de Vries
5c9fae0d6e tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause. 
2010-07-09  Tom de Vries  <tjvries@xs4all.nl>

	* tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.

	* gcc.dg/debug/dwarf2/pr31230.c: New testcase.

From-SVN: r161998
 2010-07-09 14:22:45 +00:00
Hariharan Sandanagobalane
099379da26 picochip.md (commsTestPort): Emit more efficient sequence for tstport instruction. 
* config/picochip/picochip.md (commsTestPort): Emit more efficient sequence
    for tstport instruction.

From-SVN: r161996
 2010-07-09 12:18:46 +00:00
Uros Bizjak
f55a7cbc2c i386.c (ix86_veclib_handler): Make static. 
* config/i386/i386.c (ix86_veclib_handler): Make static.

From-SVN: r161995
 2010-07-09 13:55:31 +02:00
Richard Guenther
dbfcc0597c re PR middle-end/44852 (miscompilation (of e.g. newlib dtoa.c) after mem-ref2 merge) 
2010-07-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44852
	* tree-ssa-alias.c: Include toplev.h for exact_log2.
	(indirect_ref_may_alias_decl_p): Properly handle negative offsets
	in MEM_REF.
	(indirect_refs_may_alias_p): Likewise.
	* Makefile.in (tree-ssa-alias.o): Add $(TOPLEV_H).

	* gcc.c-torture/execute/pr44852.c: New testcase.

From-SVN: r161994
 2010-07-09 11:24:09 +00:00
Rainer Orth
8bcc87780a asm-support.S (snapshot): Replace multiplication by values. 
* gcc.target/x86_64/abi/asm-support.S (snapshot): Replace
	multiplication by values.
	* gcc.target/x86_64/abi/asm-support-darwin.s (_snapshot): Likewise.
	* gcc.target/x86_64/abi/avx/asm-support.S (snapshot): Likewise.

From-SVN: r161991
 2010-07-09 11:13:30 +00:00
Richard Guenther
ca1316d24a re PR fortran/44882 (Bogus types in references with mismatched commons) 
2010-07-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44882
	* tree-vect-stmts.c (vectorizable_store): Do not assert alias
	sets do conflict.
	(vectorizable_load): Likewise.

	* gfortran.dg/pr44882.f90: New testcase.

From-SVN: r161990
 2010-07-09 10:05:27 +00:00
Jonathan Wakely
2dd0f799c4 re PR libstdc++/44875 (libstdc++ status documentation fails to mention missing c++0x io members) 
2010-07-09  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR libstdc++/44875
	* doc/xml/manual/status_cxx200x.xml: Corrections to status.
	* doc/html/*: Regenerate.

From-SVN: r161989
 2010-07-09 10:44:14 +01:00
Bernd Schmidt
e784c52cd2 re PR target/40657 (allocate local variables with fewer instructions) 
PR target/40657
	* config/arm/arm.c (thumb1_extra_regs_pushed): New arg FOR_PROLOGUE.
	All callers changed.
	Handle the case when we're called for the epilogue.
	(thumb_unexpanded_epilogue): Use it.
	(thumb1_expand_epilogue): Likewise.

testsuite/
	PR target/40657
	* gcc.target/arm/pr40657-1.c: New test.
	* gcc.target/arm/pr40657-2.c: New test.
	* gcc.c-torture/execute/pr40657.c: New test.

From-SVN: r161988
 2010-07-09 09:03:22 +00:00
Jakub Jelinek
ac2856486d tree-vrp.c (extract_range_from_binary_expr): If both ranges are range_int_cst_p with non-negative minimum... 
* tree-vrp.c (extract_range_from_binary_expr) <BIT_AND_EXPR>: If
	both ranges are range_int_cst_p with non-negative minimum,
	try harder to derive smaller range.

	* gcc.dg/tree-ssa/vrp50.c: New test.
	* gcc.dg/vect/slp-perm-4.c (main): Make sure loop isn't vectorized.

From-SVN: r161984
 2010-07-09 08:58:42 +02:00
Manuel López-Ibáñez
79a3f089cc genrecog.c: Include diagnostic-core.h before toplev.h. 
2010-07-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* genrecog.c: Include diagnostic-core.h before toplev.h.
	* genoutput.c: Likewise.
	* genextract.c: Likewise.
	* genautomata.c: Likewise.
	* genemit.c: Likewise.
	* genpeep.c: Likewise.
	* genattrtab.c: Likewise.
	* genconditions.c: Likewise.
	* genpreds.c: Likewise.

From-SVN: r161983
 2010-07-09 01:34:40 +00:00
GCC Administrator
2188fc5963 Daily bump. 
From-SVN: r161981
 2010-07-09 00:17:26 +00:00
Janus Weil
048510c866 re PR fortran/44649 ([OOP] F2008: storage_size intrinsic (also working for polymorphic types)) 
2010-07-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44649
	* gfortran.h (gfc_isym_id): Add GFC_ISYM_C_SIZEOF,GFC_ISYM_STORAGE_SIZE.
	* intrinsic.h (gfc_check_c_sizeof,gfc_check_storage_size,
	gfc_resolve_storage_size): New prototypes.
	* check.c (gfc_check_c_sizeof,gfc_check_storage_size): New functions.
	* intrinsic.c (add_functions): Add STORAGE_SIZE.
	* iresolve.c (gfc_resolve_storage_size): New function.
	* trans-intrinsic.c (gfc_conv_intrinsic_sizeof): Handle polymorphic
	arguments.
	(gfc_conv_intrinsic_storage_size): New function.
	(gfc_conv_intrinsic_function): Handle STORAGE_SIZE.

2010-07-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44649
	* gfortran.dg/c_sizeof_1.f90: Modified.
	* gfortran.dg/storage_size_1.f08: New.
	* gfortran.dg/storage_size_2.f08: New.

From-SVN: r161977
 2010-07-08 23:29:56 +02:00
Andi Kleen
1df15c3d3a lto-section-in.c (lto_section_name): Add missing comma. 
* lto-section-in.c (lto_section_name): Add missing comma.

From-SVN: r161976
 2010-07-08 23:02:47 +02:00
Anatoly Sokolov
930572b906 ia64.h (OVERRIDE_OPTIONS): Remove macros. 
* config/ia64/ia64.h (OVERRIDE_OPTIONS): Remove macros.
	* config/ia64/ia64-protos.h (ia64_override_options): Remove.
	* config/ia64/ia64.c (TARGET_OPTION_OVERRIDE): Define.
	(ia64_override_options): Rename to...
	(ia64_option_override): ... this one. Make static.

From-SVN: r161975
 2010-07-09 00:43:22 +04:00
Eric Botcazou
5951297a1a re PR middle-end/44843 (All 32-bit fortran execution tests generate unaligned access) 
PR middle-end/44843
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Do not rely on the
	pointed-to type of the offset in a MEM_REF to compute the alignment.

From-SVN: r161974
 2010-07-08 20:02:29 +00:00
Eric Botcazou
5653ef60cb * make_sunver.pl: Remove extra whitespace in regexp. 
From-SVN: r161973
 2010-07-08 19:15:21 +00:00
Kai Tietz
2784ed9c44 final.c (final_scan_insn): Replace TARGET_UNWIND_INFO macro check by unwind_emit hook NULL check. 
2010-07-08  Kai Tietz  <kai.tietz@onevision.com>

	* final.c (final_scan_insn): Replace
	TARGET_UNWIND_INFO macro check by unwind_emit
	hook NULL check.
	* targhooks.c (default_unwind_emit): Removed.
	* targhooks.h (default_unwind_emit): Likewise.
	* target.def (unwind_emit): Set default value to NULL.

From-SVN: r161972
 2010-07-08 20:07:52 +02:00
Kai Tietz
135a687e07 i386-protos.h (ix86_asm_output_function_label): New prototype. 
2010-07-08  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386-protos.h (ix86_asm_output_function_label):
	New prototype.
	* config/i386/i386.c (ix86_function_ms_hook_prologue): Check
	for NULL fntype argument and allow 64-bit targets.
	(ix86_asm_output_function_label): New function.
	(ix86_expand_prologue): Handle 64-bit ms hook prologue.
	(ix86_handle_fndecl_attribute): Likewise.
	* doc/extend.texi (ms_hook_prologue): Adjust documentation.
	* doc/doc/tm.texi: Regenerated.
	* doc/doc/doc/tm.texi.in (ASM_OUTPUT_FUNCTION_LABEL): New.
	(ASM_DECLARE_FUNCTION_NAME): Adjust documentation.
	* defaults.h (ASM_OUTPUT_FUNCTION_LABEL): New macro.
	* config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use
	ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
	* config/elfos.h: Likewise.
	* config/i386/cygming.h: Likewise.
	* config/netbsd-aout.h: Likewise.
	* config/openbsd.h: Likewise.
	* config/i386/i386.h (ASM_OUTPUT_FUNCTION_LABEL): Override
	by ix86_asm_output_function_label function call.
	* varasm.c (assemble_start_function): Use
	ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.

From-SVN: r161971
 2010-07-08 19:53:44 +02:00
Benjamin Kosnik
5ab3a5af25 stl_heap.h: Update markup. 
2010-07-08  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/stl_heap.h: Update markup.
	* include/bits/move.h: Same.
	* include/bits/algorithmfwd.h: Same.
	* include/bits/regex.h: Same.
	* include/bits/random.h: Same.
	* doc/doxygen/doxygroups.cc: Same.
	* doc/doxygen/user.cfg.in: Remove include/tr1_impl/regex from
	input file list.
	* doc/Makefile.am (doc-pdf-doxygen): Add comment, put generated
	pdf in location consistent with docbook pdf generation.
	* doc/Makefile.in: Regenerate.

From-SVN: r161970
 2010-07-08 17:48:12 +00:00
Jakub Jelinek
84fa59a70c re PR fortran/44847 (ICE: OpenMP with Collapse clause and CYCLE stmt in loop) 
PR fortran/44847
	* match.c (match_exit_cycle): Error on EXIT also from collapsed
	!$omp do loops.  Error on CYCLE to non-innermost collapsed
	!$omp do loops.

	* gfortran.dg/gomp/pr44847.f90: New test.

From-SVN: r161967
 2010-07-08 19:30:41 +02:00
Jan Hubicka
09411461d2 cgraph.c (cgraph_will_be_removed_from_program_if_no_direct_calls): New function. 
* cgraph.c (cgraph_will_be_removed_from_program_if_no_direct_calls):
	New function.
	* cgraph.h (cgraph_will_be_removed_from_program_if_no_direct_calls):
	Declare.
	* ipa-cp.c (ipcp_estimate_growth): Use it.
	* ipa-inline.c (cgraph_estimate_growth, cgraph_decide_inlining):
	Likewise.

From-SVN: r161966
 2010-07-08 16:46:49 +00:00
Jan Hubicka
72109b2553 tree-inline.c (declare_return_variable): Allocate annotation for new temporary. 
* tree-inline.c (declare_return_variable): Allocate annotation for new
	temporary.

From-SVN: r161965
 2010-07-08 16:44:54 +00:00
Sebastian Pop
d89e5e20b6 Call maybe_fold_or_comparisons to fold OR-ed predicates. 
2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/44710
	* tree-if-conv.c (parse_predicate): New.
	(add_to_predicate_list): Call it, call maybe_fold_or_comparisons.
	Make sure that the predicates are either SSA_NAMEs or gimple_condexpr.

	* gcc.dg/tree-ssa/ifc-6.c: New.
	* gcc.dg/tree-ssa/ifc-pr44710.c: New.

From-SVN: r161964
 2010-07-08 16:38:00 +00:00
Sebastian Pop
384a5197cb Add the -ftree-loop-if-convert flag. 
2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>

	* common.opt (ftree-loop-if-convert): New flag.
	* doc/invoke.texi (ftree-loop-if-convert): Documented.
	* tree-if-conv.c (gate_tree_if_conversion): Enable if-conversion
	when flag_tree_loop_if_convert is set.

From-SVN: r161963
 2010-07-08 16:37:49 +00:00
Uros Bizjak
f8e1995a5b i386.c: Use short syntax for function calls through function pointers. 
* config/i386/i386.c: Use short syntax for function calls
	through function pointers.
	* config/i386/i386.md: Ditto.

From-SVN: r161962
 2010-07-08 18:31:30 +02:00
Eric Botcazou
a80903ff48 * emit-rtl.c (set_mem_attributes_minus_bitpos): Fix formatting issues. 
From-SVN: r161961
 2010-07-08 15:23:45 +00:00
Tobias Burnus
7aa0849ad2 re PR fortran/18918 (Eventually support Fortran 2008's coarrays [co-arrays]) 
2010-07-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * array.c (gfc_match_array_ref): Better error message for
        coarrays with too few ranks.
        (match_subscript): Move one diagnostic to caller.
        * gfortran.h (gfc_get_corank): Add prottype.
        * expr.c (gfc_get_corank): New function.
        * iresolve.c (resolve_bound): Fix rank for cobounds.
        (gfc_resolve_lbound,gfc_resolve_lcobound, gfc_resolve_ubound,
        gfc_resolve_ucobound, gfc_resolve_this_image): Update
        resolve_bound call.

2010-07-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray_10.f90: Add an additional test.

From-SVN: r161960
 2010-07-08 17:17:25 +02:00
Richard Guenther
d0c422cb29 tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Fix stmt check for POINTER_PLUS_EXPRs, fix the pointer assignment. 
2010-07-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Fix
	stmt check for POINTER_PLUS_EXPRs, fix the pointer assignment.

From-SVN: r161959
 2010-07-08 14:58:20 +00:00
Jakub Jelinek
b298f92498 dwarf2out.c (mem_loc_descriptor): Use DW_OP_const[48]u instead of DW_OP_addr for DW_OP_GNU_push_tls_address operand. 
* dwarf2out.c (mem_loc_descriptor): Use DW_OP_const[48]u
	instead of DW_OP_addr for DW_OP_GNU_push_tls_address operand.
	(loc_list_from_tree): Likewise.
	(output_loc_operands): Handle outputting DW_OP_const[48]u
	with loc->dtprel set.
	(resolve_addr_in_expr): Handle loc->dtprel like DW_OP_addr.

From-SVN: r161958
 2010-07-08 16:50:16 +02:00
Jan Hubicka
5dde3b0174 ipa.c: Include pointer-set.h 
* ipa.c: Include pointer-set.h
	(cgraph_externally_visible_p): New attribute ALIASED;
	when in LTO, hidden symbols are local unless they are aliased.
	(function_and_variable_visibility): Compute aliased nodes;
	handle LTO and hidden symbol on functions and vars.
	* cgraph.c (cgraph_make_decl_local): Clear NAMED_SECTION
	for COMDAT symbols; handle COMDAT_GROUPS also at vars.

From-SVN: r161957
 2010-07-08 14:20:23 +00:00
Peter Bergner
cf8ca1a9b7 re PR c/44828 (possible integer wrong code bug) 
PR middle-end/44828
	* gcc.c-torture/execute/pr44828.c (foo): Use signed char.
	* gcc.c-torture/execute/pr44828.x: Revert.

From-SVN: r161956
 2010-07-08 09:17:52 -05:00
Jason Merrill
bf1cb49eb6 re PR c++/43120 (Virtual inheritance with covariant return type confuses GCC) 
PR c++/43120
	* class.c (update_vtable_entry_for_fn): Fix handling of dummy
	virtual bases for covariant thunks.

From-SVN: r161954
 2010-07-08 10:00:26 -04:00
H.J. Lu
02de68e16b Add gcc.dg/pr44838.c. 
2010-07-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR rtl-optimization/44838
	* gcc.dg/pr44838.c: New.

From-SVN: r161953
 2010-07-08 06:40:24 -07:00
Eric Botcazou
2de710b956 cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1. 
* config/i386/cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
	* config/i386/freebsd.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/i386/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/i386/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/i386/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/i386/i386.c (ix86_gen_adjust_stack_and_probe): New variable.
	(ix86_gen_probe_stack_range): Likewise.
	(override_options): Set them.
	(ix86_target_stack_probe): New function.
	(ix86_compute_frame_layout): Force use of push instructions to
	save registers if stack checking with probes is enabled.
	(get_scratch_register_on_entry): New function.
	(release_scratch_register_on_entry): Likewise.
	(ix86_adjust_stack_and_probe): Likewise.
	(output_adjust_stack_and_probe): Likewise.
	(ix86_emit_probe_stack_range): Likewise.
	(output_probe_stack_range): Likewise.
	(ix86_expand_prologue): Emit stack checking code if static built-in
	stack checking is enabled.
	Test ix86_target_stack_probe instead of TARGET_STACK_PROBE.
	* config/i386/i386-protos.h (ix86_target_stack_probe): Declare.
	(output_adjust_stack_and_probe): Likewise.
	(output_probe_stack_range): Likewise.
	* config/i386/i386.md (UNSPECV_PROBE_STACK_RANGE): New constant.
	(allocate_stack_worker_32): Test ix86_target_stack_probe instead of
	TARGET_STACK_PROBE.
	(allocate_stack_worker_64): Likewise.
	(allocate_stack): Likewise.
	(adjust_stack_and_probe): New insn.
	(probe_stack_range): Likewise.

From-SVN: r161952
 2010-07-08 12:27:01 +00:00
Richard Guenther
f076debaba re PR tree-optimization/44831 (internal compiler error: verify_stmts failed when compiling wine) 
2010-07-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44831
	* tree-ssa-phiprop.c (phiprop_insert_phi): Properly build
	a MEM_REF preserving TBAA info of the original dereference.
	Dereference the original pointer if the address is not
	invariant.
	(propagate_with_phi): Fixup type checks wrt MEM_REFs.  Require
	at least one invariant address that we are going to dereference.

	* gcc.c-torture/compile/pr44831.c: New testcase.
	* gcc.dg/tree-ssa/pr21463.c: Adjust.

From-SVN: r161950
 2010-07-08 11:38:43 +00:00