Tom Tromey [Tue, 6 May 2008 17:15:07 +0000 (17:15 +0000)]
PR preprocessor/35313, PR preprocessor/36088:
gcc/testsuite
PR preprocessor/35313, PR preprocessor/36088:
* gcc.dg/cpp/pr35313.c: New file.
* gcc.dg/cpp/if-oppr.c: Remove test for ',' in a conditional
expression.
* gcc.dg/cpp/if-oppr2.c: New file.
libcpp
PR preprocessor/35313, PR preprocessor/36088:
* expr.c (optab) <QUERY, COMMA>: Set precedence to 4.
(reduce) <case CPP_QUERY>: Special case CPP_COMMA and CPP_COLON.
H.J. Lu [Tue, 6 May 2008 15:41:08 +0000 (08:41 -0700)]
re PR target/35657 (Alignments of DFP types aren't consistent)
2008-05-06 H.J. Lu <hongjiu.lu@intel.com>
PR target/35657
* config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed
to ...
(contains_aligned_value_p): This. Handle _Decimal128.
(ix86_function_arg_boundary): Only align _Decimal128 to its
natural boundary and handle it properly.
Martin Jambor [Tue, 6 May 2008 14:15:18 +0000 (16:15 +0200)]
ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
2008-05-06 Martin Jambor <mjambor@suse.cz>
* ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
(ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
(ipcp_method_set_orig_node): Removed.
(ipcp_cval_get_cvalue_type): Removed.
(ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
(ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
(ipcp_cval_set_cvalue_type): Removed.
(ipcp_cval_get_cvalue): Removed.
(ipcp_cval_set_cvalue): Removed.
(ipcp_type_is_const): Renamed to ipcp_lat_is_const.
(ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
(ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
(ipcp_cval_meet): Renamed to ipa_lattice_meet
(ipcp_cval_changed): Changed to use ipcp_lat_is_const
(ipcp_method_cval): Renamed to ipcp_get_ith_lattice
(ipcp_get_ith_lattice): Changed parameters.
(ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
(ipcp_lattice_from_jfunc): Changed parameters.
(ipcp_redirect): Local lattice pointer instead of lattice type variable.
(ipcp_method_cval_print): Added temporary variable info.
(ipcp_redirect): Removed already unused local variable caller.
(ipcp_redirect): New temporary variable orig_callee_info
(ipcp_redirect): Removed newly unused local variable callee.
(ipcp_redirect): Removed (a bit confusing) local variable type.
(ipcp_insert_stage): Added local variable info.
(ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
renamed too
(ipcp_formal_create): Removed.
(ipcp_method_cval_set): Removed.
(ipcp_propagate_stage): Renamed lattice variables.
(ipcp_method_cval_set_cvalue_type): Removed.
(ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
(ipcp_print_all_lattices): Changed printed strings to refer to
lattices rather than cvals.
(ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
(ipcp_propagate_const): Changed formal parameters.
(build_const_val): Changed formal parameters.
(ipcp_insert_stage): Removed useless variable cvalue
(build_const_val): Changed formal parameters.
(ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
(ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
(ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
(ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
(ipcp_print_func_profile_counts): Changed string from "method" to
"function"
(ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
(ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
(ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
(ipcp_structures_print): Renamed to ipcp_print_all_structures
(ipcp_profile_print): Renamed to ipcp_print_profile_data
(ipcp_lat_is_const): Changed parameters and made inline.
(ipcp_replace_map_create): Renamed to ipcp_create_replace_map
(ipcp_redirect): Renamed to ipcp_need_redirect_p
(ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
the predicate condition directly
(ipcp_propagate_stage): Added local variable args. Removed local
variable callee. (Both are mere code simplifications.)
(ipcp_method_dont_insert_const): Renamed to
ipcp_node_not_modifiable_p.
(ipcp_node_not_modifiable_p): Made inline.
(ipcp_cloned_create): Renamed to ipcp_init_cloned_node
(ipcp_propagate_const): Renamed to ipcp_propagate_one_const
(ipcp_print_all_lattices): Removed variable cvalue
(ipcp_method_scale_print): Renamed to ipcp_function_scale_print
Updated comments.
Kai Tietz [Tue, 6 May 2008 10:07:13 +0000 (10:07 +0000)]
i386.c (output_set_got): Fix for x86_64 output_emit_asm by using 'q' specifier for instruction.
2008-05-06 Kai Tietz <kai.tietz@onevision.com>
* config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
by using 'q' specifier for instruction.
(ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
Anatoly Sokolov [Tue, 6 May 2008 09:30:17 +0000 (13:30 +0400)]
avr.md (*sbrx_branch, [...]): Change mode of zero_extract from QImode to HImode.
* config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
Change mode of zero_extract from QImode to HImode.
(sign bit tests peepholes): (Ditto.).
* include/parallel/multiway_merge.h:
(multiway_merge_*_unguarded):
Pass sentinel directly, to allow correct determination.
(multiway_merge_loser_tree_unguarded):
Remove over-cautious assertion.
(calls to multiway_merge_*_splitting):
Parametrize with type that is correct in all cases.
* include/parallel/losertree.h:
(delete_min_insert (in many classes)):
Correct and standardize assertions.
Uros Bizjak [Tue, 6 May 2008 08:39:51 +0000 (10:39 +0200)]
mmx.md: Remove double backslashes from asm templates.
* config/i386/mmx.md: Remove double backslashes from asm templates.
(*addv2sf3): Rename from mmx_addv2sf3 insn pattern.
(mmx_addv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy
to handle nonimmediate operands.
(*mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
(mmx_mulv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy
to handle nonimmediate operands.
(*<code>v2sf3_finite): New insn pattern.
(*<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
(mmx_<code>v2sf3): New expander. Use
ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
(mmx_<plusminus_insn><mode>3): New expander. Use
ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
(*<plusminus_insn><mode>3): New insn pattern.
(mmx_add<mode>3): Removed.
(mmx_ssadd<mode>3): Ditto.
(mmx_usadd<mode>3): Ditto.
(mmx_sub<mode>3): Ditto.
(mmx_sssub<mode>3): Ditto.
(mmx_ussub<mode>3): Ditto.
(*mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
(mmx_mulv4hi3): New expander. Use ix86_fixup_binary_operands_no_copy
to handle nonimmediate operands.
(*smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
insn pattern.
(mmx_smulv4hi3_highpart): New expander. Use
ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
(*umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
insn pattern.
(mmx_umulv4hi3_highpart): New expander. Use
ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
(*<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
(mmx_<code>v4hi3): New expander. Use
ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
(*<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
(mmx_<code>v8qi3): New expander. Use
ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
(*<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
(mmx_<code><mode>3): New expander. Use
ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
Danny Smith [Tue, 6 May 2008 02:59:12 +0000 (02:59 +0000)]
target_supports.exp (check_effective_target_4byte_wchar_t): New proc.
* lib/target_supports.exp (check_effective_target_4byte_wchar_t):
New proc.
* gcc.dg/utf16-4.c: Use it.
* gcc.dg/utf32-4.c: Use it.
* g++.dg/ext/utf16-4.C: Use it.
* gcc.dg/ext/utf32-4.C: Use it.
Andrew Pinski [Mon, 5 May 2008 16:10:43 +0000 (09:10 -0700)]
tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have the same size types for...
2008-05-05 Andrew Pinski <Andrew.Pinski@playstation.sony.com>
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have the
same size types for the indirect reference on the rhs, then create a VCE.
2008-05-05 Andrew Pinski <andrew.pinski@playstation.sony.com>
* gcc.dg/tree-ssa/forwprop-5.c: New testcase.
* gcc.dg/tree-ssa/forwprop-6.c: New testcase.
* gcc.dg/tree-ssa/forwprop-7.c: New testcase.
* gcc.dg/tree-ssa/forwprop-8.c: New testcase.
* gcc.dg/tree-ssa/forwprop-9.c: New testcase.
Uros Bizjak [Mon, 5 May 2008 12:56:15 +0000 (14:56 +0200)]
* config/i386/i386.md
(*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
one insn template instead of template series.
(*xordi_1_rex64): Ditto.
(*xordi_2_rex64): Ditto.
David S. Miller [Sun, 4 May 2008 11:25:04 +0000 (11:25 +0000)]
config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
gcc/
* config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
(sparc*-*-linux*): Use linux.h in tm_file.
(sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
compiler defaulting to 32-bit.
(sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
no longer needed.
* config/sparc/linux.h: Remove definitions now obtained
properly from linux.h
* config/sparc/linux64.h: Likewise.
(ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
don't want this setting for 32-bit builds in a biarch compiler.
* doc/install.texi: Add sparc-linux to list of targets
supporting --enable-targets=all.
libcpp/
* configure.ac (sparc*-*-*): Always set need_64bit_hwint to yes.
* configure: Regenerate.
Thomas Koenig [Sun, 4 May 2008 08:06:02 +0000 (08:06 +0000)]
re PR fortran/35990 (run-time abort for PACK of run-time zero sized array)
2008-05-04 Thomas Koenig <tkoenig@gcc.gnu.org>
PR libfortran/35990
* intrinsics/pack_generic.c: If an extent of the source
array is less then zero, set it to zero. Set the source
pointer to NULL if the source size is zero. Set the total
number of elements to zero if the vector has an extent
less or equal to zero.
* m4/pack.m4: Set the source pointer to NULL if the
source array is zero-sized. Set the total number of
elemements to zero if the vector has an extent less or
equal to zero.
* generated/pack_i1.c: Regenerated.
* generated/pack_i2.c: Regenerated.
* generated/pack_i4.c: Regenerated.
* generated/pack_i8.c: Regenerated.
* generated/pack_i16.c: Regenerated.
* generated/pack_r4.c: Regenerated.
* generated/pack_r8.c: Regenerated.
* generated/pack_r10.c: Regenerated.
* generated/pack_r16.c: Regenerated.
* generated/pack_c4.c: Regenerated.
* generated/pack_c8.c: Regenerated.
* generated/pack_c10.c: Regenerated.
* generated/pack_c16.c: Regenerated.
2008-05-04 Thomas Koenig <tkoenig@gcc.gnu.org>
PR libfortran/35990
* gfortran.dg/intrinsic_pack_4.f90: New test case.
Eric Botcazou [Sat, 3 May 2008 19:35:01 +0000 (19:35 +0000)]
decl.c (maybe_pad_type): Try to get a form of the type with integral mode even if...
* decl.c (maybe_pad_type): Try to get a form of the type with integral
mode even if the alignment is not a factor of the original size. But
make sure to create the inner field with the original size. Reorder.
* trans.c (addressable_p) <COMPONENT_REF>: Treat the field of a padding
record as always addressable.
* utils.c (convert): Deal specially with conversions between original
and packable versions of a record type.
* utils2.c (build_binary_op) <MODIFY_EXPR>: Be more restrictive when
recognizing an assignment between padded objects.
H.J. Lu [Sat, 3 May 2008 16:17:24 +0000 (16:17 +0000)]
i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF after V4SI_FTYPE_V8HI.
2008-05-03 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
after V4SI_FTYPE_V8HI.
(ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
case V4SI_FTYPE_V2DF.
Jerry DeLisle [Sat, 3 May 2008 15:11:33 +0000 (15:11 +0000)]
re PR fortran/33268 (read ('(f3.3)'), a rejected due to the extra (...))
2008-05-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/33268
* gfortran.h: Add extra_comma pointer to gfc_dt structure. Add iokind to
gfc_expr value union. Add io_kind enum to here from io.c.
* io.c (gfc_free_dt): Free extra_comma.
(gfc_resolve_dt): If an extra comma was encountered and io_unit is type
BT_CHARACTER, resolve to format_expr and set default unit. Error if
io_kind is M_WRITE. (match_io): Match the extra comma and set new
pointer, extra_comma.
Jerry DeLisle [Fri, 2 May 2008 01:33:16 +0000 (01:33 +0000)]
re PR libfortran/36094 (Runtime error show_locus not working correctly)
2008-05-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/36094
* runtime/error.c (show_locus): Provide modified error message when
filename has not yet been associated with a unit number.
* io/open.c (encoding_opt[]): Comment out "utf-8" option and add TODO.
Eric Botcazou [Thu, 1 May 2008 10:50:01 +0000 (10:50 +0000)]
decl.c (make_packable_type): Resize the last component to its RM size only if it is of an aggregate type.
* decl.c (make_packable_type): Resize the last component to its RM size
only if it is of an aggregate type.
* trans.c (call_to_gnu): Fix nit in comment.
(gnat_to_gnu): Likewise.
Richard Guenther [Wed, 30 Apr 2008 19:05:12 +0000 (19:05 +0000)]
re PR tree-optimization/21636 (Missed ccp optimization)
2008-04-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/21636
* tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
constant address.
(evaluate_stmt): Print the likely value.
(ccp_visit_stmt): Avoid excessive vertical spacing.
Seongbae Park [Wed, 30 Apr 2008 17:17:03 +0000 (17:17 +0000)]
gcc.c (wrapper_string): New variable.
2008-04-30 Seongbae Park <seongbae.park@gmail.com>
* gcc.c (wrapper_string): New variable.
(insert_wrapper): New function.
(execute): New option -wrapper.
* doc/invoke.texi (Overall Options): New driver option -wrapper.
Richard Guenther [Wed, 30 Apr 2008 15:06:16 +0000 (15:06 +0000)]
re PR tree-optimization/14847 ([tree-ssa] combine "if (a & 1) goto there" and "if (a & 4) goto there")
2008-04-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/14847
* tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
(recognize_bits_test): Use it.
(recognize_single_bit_test): Likewise.
* gcc.dg/tree-ssa/ssa-ifcombine-6.c: New testcase.
Martin Jambor [Wed, 30 Apr 2008 10:01:59 +0000 (12:01 +0200)]
ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg instead of setting number of formal...
2008-04-30 Martin Jambor <mjambor@suse.cz>
* ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
instead of setting number of formal parameters to zero.
(ipcp_init_stage): Do not set the number of actual parameters to zero
either.
(ipcp_propagate_stage): Explicitly skipping all calls to nodes
which are called with variable number of arguments.
(ipcp_insert_stage): Explicitely skipping all nodes which are
called with variable number of arguments.
(ipcp_callsite_param_print): Skipps callsites to nodes with varaible
number of parameters.
* ipa-prop.h (struct ipa_node_params): Added flag
called_with_var_arguments
(ipa_set_param_count): Added. Changed sole setter to use it.
(ipa_get_param_count): Added. All readers of param_count
converted to use it instead.
(ipa_set_called_with_variable_arg): Added.
(ipa_is_called_with_var_arguments): Added.
(ipa_get_ith_param): Added. All readers of param_decls converted
to use it instead.
(ipa_set_cs_argument_count): Added, sole writer to argument_count
changed to use it.
(ipa_get_cs_argument_count): Added, all readers of argument_count
changed to cal it.
(ipa_get_ith_jump_func): Added. Accessors of jump values changed
to use it.
* ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
(struct ipcp_lattice): Renamed cval_type to type
(struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
* ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
(ipcp_cval_set_cvalue): Changed type of parameter value to tree
(ipcp_insert_stage): Changed the type of variable cvalue to tree
(ipcp_replace_map_create): Changed the type of parameter cvalue to tree
(build_const_val): Changed the type of parameter cvalue to tree
(ipcp_propagate_const): Changed the type of parameter cvalue to tree
(ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
* ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
constant
* ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
(ipa_methodlist_not_empty): Removed, the sole user now checks directly
(ipa_add_method): Renamed to ipa_push_func_to_list
(ipa_remove_method): Renamed to ipa_pop_func_from_list
(ipa_callsite_param_count): Removed.
(ipa_callsite_param_count_set): Removed.
(ipa_callsite_param): Removed.
(ipa_callsite_callee): Removed.
(ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
(ipa_callsite_compute_count): Renamed to ipa_count_arguments
(ipa_method_formal_count): Removed.
(ipa_method_formal_count_set): Removed.
(ipa_method_get_tree): Removed.
(ipa_method_tree_map_create): Removed.
(ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
(ipa_create_param_decls_array): Creates the array itself
(ipa_create_param_decls_array): Temporary variable info instead of
a few dereferences.
(ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
(ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
(get_type): Removed.
(ipa_jf_get_info_type): Removed.
(ipa_node_create): Renamed to ipa_create_node_params
(ipa_free): Renamed to ipa_free_all_node_params
(ipa_nodes_create): Renamed to ipa_create_all_node_params
(ipa_edges_create): Renamed to ipa_create_all_edge_args
(ipa_edges_free): Renamed to ipa_free_all_edge_args
(ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
(ipa_free_all_node_params): Deallocation to jump_functions moved to
ipa_free_all_edge_args
(ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
(ipa_method_modify_print): Renamed to ipa_print_all_params_modified
(ipa_create_methodlist_node): Removed.
(ipa_methodlist_method): Removed.
(ipa_methodlist_method_set): Removed.
(ipa_methodlist_next_method): Removed.
(ipa_methodlist_next_method_set): Removed.
(ipa_method_is_modified): Removed.
(ipa_method_modify_create): Removed.
(ipa_method_modify_init): Temporary variable info instead of a few
dereferences.
(ipa_detect_param_modifications): Temporary variable info instead of
a few dereferences.
(ipa_compute_jump_functions): Temporary variable info instead of
a few dereferences.
(ipa_method_modify_set): Removed.
(ipa_method_tree_map): Renamed to ipa_get_param_decl_index
(ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
than craph_node as the first parameter.
(ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
(ipa_method_modify_init): Removed.
(ipa_compute_jump_functions): Added a temp variable instead of
repeatadly dereferencing the cgraph_edge.aux pointer
(ipa_callsite_param_set_type): Removed.
(ipa_compute_jump_functions): i renamed to index and moved to
an inner block
(ipa_callsite_param_set_info_type_formal): Removed.
(ipa_callsite_param_set_info_type): Removed.
(ipa_callsite_param_map_create): Removed.
(ipa_callsite_tree): Removed.
(ipa_callsite_caller): Removed.
(ipa_pop_func_from_list): return_method removed to return_func
* ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
prefixed all values with IPA_. Changed all users.
(enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
and FORMAL_IPATYPE IPA_PASS_THROUGH.
(union parameter_info): Renamed to jump_func_value.
(union jump_func_value): Renamed value to constant
(struct ipa_jump_func): Renamed info_type to value
(struct ipa_node): Renamed to ipa_node_params
(struct ipa_node_params): Renamed ipa_arg_num to param_count
(struct ipa_node_params): Renamed ipa_param_tree to param_decls
(struct ipa_node_params): Renamed ipa_mod to modified_flags
(struct ipa_edge): Renamed to ipa_edge_args
(struct ipa_edge_args): Renamed ipa_param_num to argument_count
(struct ipa_edge_args): Renamed ipa_param_map to jump_functions
(struct ipa_methodlist): Renamed to ipa_func_list
(struct ipa_func_list): method_p renamed to node, next_method
renamed to next
(ipa_methodlist_p): Removed, switched all users to struct pointer
(IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
* config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
(rs6000_emit_epilogue): Use backchain to restore only when we
have a large frame. Make use of frame pointer to restore if we
have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
* tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
(compute_may_aliases): Do not call finalize_ref_all_pointers.
(compute_flow_insensitive_aliasing): Do not treat
PTR_IS_REF_ALL pointers special.
(get_smt_for): Likewise.
(may_alias_p): Re-structure.
(is_escape_site): A ref-all pointer conversion is not an escape site.
* tree-ssa-structalias.c (find_what_p_points_to): Do not treat
PTR_IS_REF_ALL pointers special.
* tree-ssa-structalias.h (struct alias_info): Remove
ref_all_symbol_mem_tag field.
(PTR_IS_REF_ALL): Remove.
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