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| author | Richard Guenther <rguenther@suse.de> | 2011-04-12 10:44:15 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-04-12 10:44:15 +0000 |
| commit | f20ca7258739d74b12cf381293b10f72125732c5 (patch) | |
| tree | e792618dd649e3a0226cbeeef5d614d64ccfe552 /gcc/tree-ssa.c | |
| parent | 78a869ec7471a7c86d992a4cd3a506f5538995fc (diff) | |
| download | gcc-f20ca7258739d74b12cf381293b10f72125732c5.zip gcc-f20ca7258739d74b12cf381293b10f72125732c5.tar.gz gcc-f20ca7258739d74b12cf381293b10f72125732c5.tar.bz2 | |
re PR tree-optimization/46076 (constant propagation and compile-time math no longer happening versus 4.4 and 4.5)
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
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index 5a41818..4cd86c6 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -1239,17 +1239,8 @@ useless_type_conversion_p (tree outer_type, tree inner_type) && TYPE_RESTRICT (outer_type)) return false; - /* If the outer type is (void *) or a pointer to an incomplete - record type or a pointer to an unprototyped function, - then the conversion is not necessary. */ - if (VOID_TYPE_P (TREE_TYPE (outer_type)) - || ((TREE_CODE (TREE_TYPE (outer_type)) == FUNCTION_TYPE - || TREE_CODE (TREE_TYPE (outer_type)) == METHOD_TYPE) - && (TREE_CODE (TREE_TYPE (outer_type)) - == TREE_CODE (TREE_TYPE (inner_type))) - && !prototype_p (TREE_TYPE (outer_type)) - && useless_type_conversion_p (TREE_TYPE (TREE_TYPE (outer_type)), - TREE_TYPE (TREE_TYPE (inner_type))))) + /* If the outer type is (void *), the conversion is not necessary. */ + if (VOID_TYPE_P (TREE_TYPE (outer_type))) return true; } @@ -1305,8 +1296,8 @@ useless_type_conversion_p (tree outer_type, tree inner_type) /* Do not lose casts to function pointer types. */ if ((TREE_CODE (TREE_TYPE (outer_type)) == FUNCTION_TYPE || TREE_CODE (TREE_TYPE (outer_type)) == METHOD_TYPE) - && !useless_type_conversion_p (TREE_TYPE (outer_type), - TREE_TYPE (inner_type))) + && !(TREE_CODE (TREE_TYPE (inner_type)) == FUNCTION_TYPE + || TREE_CODE (TREE_TYPE (inner_type)) == METHOD_TYPE)) return false; /* We do not care for const qualification of the pointed-to types |