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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-29 14:42:03 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-29 14:42:03 +0000 |
| commit | 6d58fd21b2f6af1843053e3f158114f7686e9278 (patch) | |
| tree | 885ad5c969671552fbdfb8b8988a7b208226e980 /gcc/fold-const.c | |
| parent | d9b5cf5c6513fc0a93a5f96418f50d17ffbc2c35 (diff) | |
| download | gcc-6d58fd21b2f6af1843053e3f158114f7686e9278.tar.gz | |
2014-10-29 Richard Biener <rguenther@suse.de>
* match.pd: Implement a first set of conversion patterns.
* fold-const.c (fold_unary_loc): Remove them here.
* tree-ssa-forwprop.c (simplify_vce): Remove.
(pass_forwprop::execute): Do not call simplify_vce.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216839 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index b5d16d272e1..9b9754db7bc 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -7664,14 +7664,6 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0) switch (code) { - case PAREN_EXPR: - /* Re-association barriers around constants and other re-association - barriers can be removed. */ - if (CONSTANT_CLASS_P (op0) - || TREE_CODE (op0) == PAREN_EXPR) - return fold_convert_loc (loc, type, op0); - return NULL_TREE; - case NON_LVALUE_EXPR: if (!maybe_lvalue_p (op0)) return fold_convert_loc (loc, type, op0); @@ -7680,9 +7672,6 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0) CASE_CONVERT: case FLOAT_EXPR: case FIX_TRUNC_EXPR: - if (TREE_TYPE (op0) == type) - return op0; - if (COMPARISON_CLASS_P (op0)) { /* If we have (type) (a CMP b) and type is an integral type, return @@ -7953,35 +7942,10 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0) return tem ? tem : NULL_TREE; case VIEW_CONVERT_EXPR: - if (TREE_TYPE (op0) == type) - return op0; - if (TREE_CODE (op0) == VIEW_CONVERT_EXPR) - return fold_build1_loc (loc, VIEW_CONVERT_EXPR, - type, TREE_OPERAND (op0, 0)); if (TREE_CODE (op0) == MEM_REF) return fold_build2_loc (loc, MEM_REF, type, TREE_OPERAND (op0, 0), TREE_OPERAND (op0, 1)); - /* For integral conversions with the same precision or pointer - conversions use a NOP_EXPR instead. */ - if ((INTEGRAL_TYPE_P (type) - || POINTER_TYPE_P (type)) - && (INTEGRAL_TYPE_P (TREE_TYPE (op0)) - || POINTER_TYPE_P (TREE_TYPE (op0))) - && TYPE_PRECISION (type) == TYPE_PRECISION (TREE_TYPE (op0))) - return fold_convert_loc (loc, type, op0); - - /* Strip inner integral conversions that do not change the precision. */ - if (CONVERT_EXPR_P (op0) - && (INTEGRAL_TYPE_P (TREE_TYPE (op0)) - || POINTER_TYPE_P (TREE_TYPE (op0))) - && (INTEGRAL_TYPE_P (TREE_TYPE (TREE_OPERAND (op0, 0))) - || POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (op0, 0)))) - && (TYPE_PRECISION (TREE_TYPE (op0)) - == TYPE_PRECISION (TREE_TYPE (TREE_OPERAND (op0, 0))))) - return fold_build1_loc (loc, VIEW_CONVERT_EXPR, - type, TREE_OPERAND (op0, 0)); - return fold_view_convert_expr (type, op0); case NEGATE_EXPR: |