* gengtype.c (write_field_root): Avoid out-of-scope access of newv.
* tree-stdarg.c (execute_optimize_stdarg): Accept clobbers.
* 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.
From-SVN: r181172
* gimple.c (walk_stmt_load_store_addr_ops): Call visit_addr
also on COND_EXPR/VEC_COND_EXPR comparison operands if they are
ADDR_EXPRs.
From-SVN: r179969
* doc/extend.texi (__builtin_shuffle): Improve the description to
include the modulus of the selector. Mention OpenCL.
* doc/md.texi (vec_perm, vec_perm_const): Document named patterns.
* tree.def (VEC_PERM_EXPR): Rename from VEC_SHUFFLE_EXPR.
* genopinit.c (optabs): Rename vshuffle to vec_perm.
* c-typeck.c (c_build_vec_perm_expr): Rename from
c_build_vec_shuffle_expr. Update for name changes.
* optabs.c (expand_vec_perm_expr_p): Rename from
expand_vec_shuffle_expr_p.
(expand_vec_perm_expr): Rename from expand_vec_shuffle_expr.
* optabs.h (OTI_vec_perm): Rename from DOI_vshuffle.
(vec_perm_optab): Rename from vshuffle_optab.
* expr.c, gimple-pretty-print.c, gimple.c, gimplify.c,
c-tree.h, c-parser.c, tree-cfg.c, tree-inline.c, tree-pretty-print.c,
tree-ssa-operands.c, tree-vect-generic.c: Update for name changes.
* config/i386/i386.c (ix86_expand_vec_perm): Rename from
ix86_expand_vshuffle.
* config/i386/i386-protos.h: Update.
* config/i386/sse.md (VEC_PERM_AVX2): Rename from VSHUFFLE_AVX2.
(vec_perm<VEC_PERM_AVX2>): Rename from vshuffle<VSHUFFLE_AVX2>.
From-SVN: r179701
* gimple-fold.c (gimplify_and_update_call_from_tree): Set
gctx.into_ssa after push_gimplify_context.
* gimple.c (gimple_build_call_valist): New function.
* gimple.h (gimple_build_call_valist): New prototype.
* tree-ssa-propagate.c (finish_update_gimple_call): New function.
(update_gimple_call): Likewise.
(update_call_from_tree): Use finish_update_gimple_call.
* tree-ssa-propagate.h (update_gimple_call): New prototype.
From-SVN: r179204
* gimple.c (canonicalize_cond_expr_cond): Handle cast from
boolean-type.
(ssa_forward_propagate_and_combine): Interprete result of
forward_propagate_comparison.
* gcc/gimple-fold.c (fold_gimple_assign): Add canonicalization for
boolean-typed operands for comparisons.
* gcc.dg/tree-ssa/forwprop-15.c: New testcase.
From-SVN: r177170
2011-06-16 Richard Guenther <rguenther@suse.de>
* gimple.c (canonicalize_cond_expr_cond): (bool)x is not
the same as x != 0.
* fold-const.c (fold_binary_loc): Do not fold X & 1 != 0 to
(bool) X & 1.
* ipa-prop.c (ipa_analyze_indirect_call_uses): Also allow
equality compares against zero for the lower bit.
From-SVN: r175096
2011-05-31 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_register_canonical_type): Do not register
any types via gimple_register_type.
From-SVN: r174483
2011-05-30 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_types_compatible_p_1): Compare record
and union type members properly.
From-SVN: r174436
2011-05-24 Richard Guenther <rguenther@suse.de>
PR bootstrap/49078
* gimple.c (gimple_register_canonical_type): Revert
previous change.
* alias.c (get_alias_set): Only assert that TYPE_CANONICAL
does not for a tree for the case where it matters. Cache
pointer-type alias-sets.
From-SVN: r174113
2011-05-20 Richard Guenther <rguenther@suse.de>
PR middle-end/48849
* gimple.c (gimple_register_canonical_type): Compute TYPE_CANONICAL
of pointer types the same way the middle-end does.
From-SVN: r173939
2011-05-20 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_register_type_1): Do not fiddle with
main-variant or pointer-to chains. Delay all fixup to
uniquify_nodes.
lto/
* lto.c (lto_ft_common): Remove pointer-to chain teardown.
(lto_ft_type): Move main-variant and pointer-to chain building ...
(uniquify_nodes): ... here. Compute TYPE_CANONICAL also here,
in a separate final loop.
From-SVN: r173938
2011-05-19 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_types_compatible_p_1): Compare names of
the types themselves.
(iterative_hash_gimple_type): And hash them that way.
(gimple_register_type_1): If we register a main variant properly
initialize the leader to ourselves.
lto/
* lto.c (uniquify_nodes): First register all types before
fixing up the tree SCC.
From-SVN: r173900
2011-05-17 Richard Guenther <rguenther@suse.de>
* gimple.c (iterative_hash_gimple_type): Simplify singleton
case some more, fix final hash value of the non-singleton case.
From-SVN: r173829
2011-05-17 Richard Guenther <rguenther@suse.de>
PR bootstrap/49013
Revert
2011-05-16 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_types_compatible_p_1): Use names of the
type itself, not its main variant.
(iterative_hash_gimple_type): Likewise.
From-SVN: r173827
2011-05-17 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_register_canonical_type): Use the main-variant
leader for computing the canonical type.
From-SVN: r173826
2011-05-16 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_types_compatible_p_1): Use names of the
type itself, not its main variant.
(iterative_hash_gimple_type): Likewise.
From-SVN: r173795
2011-05-16 Richard Guenther <rguenther@suse.de>
* gimple.c (iterative_hash_gimple_type): Re-instantiate
change to always visit pointer target and function result
and argument types.
From-SVN: r173794
2011-05-16 Richard Guenther <rguenther@suse.de>
* gimple.c (struct type_hash_pair): New type.
(type_hash_pair_compare): New function.
(iterative_hash_gimple_type): Mix in SCC member hashes in
hash-order.
From-SVN: r173790
2011-05-13 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_canonical_types_compatible_p): Do not use
type-pair caching, do not compare hashes.
From-SVN: r173734
2011-05-13 Richard Guenther <rguenther@suse.de>
PR lto/48978
* gimple.c (iterative_hash_gimple_type): Revert change in
pointer target and function result and argument hashing.
From-SVN: r173730
2011-05-12 Richard Guenther <rguenther@suse.de>
* gimple.c (gtc_visit): Compare TREE_ADDRESSABLE, handle
NULLPTR_TYPE similar to VOID_TYPE. Defer type-leader lookup
until after simple checks.
(gimple_types_compatible_p): Likewise.
(iterative_hash_gimple_type): Always hash pointer targets
and function return and argument types.
(iterative_hash_canonical_type): Do not hash TYPE_QUALS,
hash TYPE_ALIGN. Do not hash TYPE_MIN/MAX_VALUE.
(gimple_canonical_types_compatible_p): Compare TREE_ADDRESSABLE,
handle NULLPTR_TYPE similar to VOID_TYPE. Handle non-aggregates
completely in the simple compare section.
(gimple_register_canonical_type): Query the cache again after
registering.
From-SVN: r173704
2011-05-11 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_canonical_types_compatible_p): Split out
from gimple_types_compatible_p and friends. Do not recurse
to pointed-to types.
(gimple_canonical_type_eq): Use it.
(iterative_hash_canonical_type): Split out from
iterative_hash_gimple_type and friends. Do not recurse
to pointed-to types.
(gimple_canonical_type_hash): Use it, allocate the hash here.
From-SVN: r173649
2011-05-09 Richard Guenther <rguenther@suse.de>
* lto-symtab.c (lto_cgraph_replace_node): Use types_compatible_p
for diagnostics.
(lto_symtab_merge): Likewise. Do not register types here.
(lto_symtab_merge_decls_2): Likewise.
(lto_symtab_merge_decls_1): Likewise.
* gimple.h (enum gtc_mode, gimple_types_compatible_p): Do not declare.
* gimple.c (enum gtc_mode): Declare.
(gimple_types_compatible_p): Make static.
From-SVN: r173575
* gimple.c (type_pair_hash, type_pair_eq, lookup_type_pair):
Arrange type pairs to be UID ordered.
(gimple_lookup_type_leader): Make inline.
From-SVN: r173560
PR lto/48148
* gimple.c (gimple_types_compatible_p_1) <ENUMERAL_TYPE>: Do not merge
the types if they have different enumeration identifiers.
From-SVN: r172712
2011-04-12 Richard Guenther <rguenther@suse.de>
PR tree-optimization/46076
* gimple.h (struct gimple_statement_call): Add fntype field.
(gimple_call_fntype): Adjust.
(gimple_call_set_fntype): New function.
* gimple.c (gimple_build_call_1): Set the call function type.
* gimplify.c (gimplify_call_expr): Preserve the function
type the frontend used for the call.
(gimplify_modify_expr): Likewise.
* lto-streamer-in.c (input_gimple_stmt): Input the call stmts
function type.
* lto-streamer-out.c (output_gimple_stmt): Output the call stmts
function type.
* tree-ssa.c (useless_type_conversion_p): Function pointer
conversions are useless.
* gcc.dg/tree-ssa/pr46076.c: Un-XFAIL.
From-SVN: r172310
2011-04-08 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_set_modified): Do not queue calls to
MODIFIED_NORETURN_CALLS here ...
* tree-ssa-operands.c (update_stmt_operands): ... but here.
From-SVN: r172182
