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authorRichard Biener <rguenther@suse.de>2014-11-12 13:45:48 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2014-11-12 13:45:48 +0000
commiteaeba53a031a1ea6ab493fc752acec00889d4f0b (patch)
tree44d9afdc5f87319907d339ab2c182c28db164012 /gcc/fold-const.c
parent2079956a87de079b4a04ac938141e437e60bbff8 (diff)
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match.pd: Implement simple complex operations cancelling.
2014-11-12 Richard Biener <rguenther@suse.de> * match.pd: Implement simple complex operations cancelling. * fold-const.c (fold_unary_loc): Remove them here. * gcc.dg/tree-ssa/ssa-fre-32.c: Disable forwprop. From-SVN: r217421
Diffstat (limited to 'gcc/fold-const.c')
-rw-r--r--gcc/fold-const.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 756f469..82e2414 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -7988,9 +7988,6 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0)
case REALPART_EXPR:
if (TREE_CODE (TREE_TYPE (arg0)) != COMPLEX_TYPE)
return fold_convert_loc (loc, type, arg0);
- if (TREE_CODE (arg0) == COMPLEX_EXPR)
- return omit_one_operand_loc (loc, type, TREE_OPERAND (arg0, 0),
- TREE_OPERAND (arg0, 1));
if (TREE_CODE (arg0) == COMPLEX_CST)
return fold_convert_loc (loc, type, TREE_REALPART (arg0));
if (TREE_CODE (arg0) == PLUS_EXPR || TREE_CODE (arg0) == MINUS_EXPR)
@@ -8031,9 +8028,6 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0)
case IMAGPART_EXPR:
if (TREE_CODE (TREE_TYPE (arg0)) != COMPLEX_TYPE)
return build_zero_cst (type);
- if (TREE_CODE (arg0) == COMPLEX_EXPR)
- return omit_one_operand_loc (loc, type, TREE_OPERAND (arg0, 1),
- TREE_OPERAND (arg0, 0));
if (TREE_CODE (arg0) == COMPLEX_CST)
return fold_convert_loc (loc, type, TREE_IMAGPART (arg0));
if (TREE_CODE (arg0) == PLUS_EXPR || TREE_CODE (arg0) == MINUS_EXPR)
@@ -13350,13 +13344,6 @@ fold_binary_loc (location_t loc,
|| (TREE_CODE (arg0) == INTEGER_CST
&& TREE_CODE (arg1) == INTEGER_CST))
return build_complex (type, arg0, arg1);
- if (TREE_CODE (arg0) == REALPART_EXPR
- && TREE_CODE (arg1) == IMAGPART_EXPR
- && TREE_TYPE (TREE_OPERAND (arg0, 0)) == type
- && operand_equal_p (TREE_OPERAND (arg0, 0),
- TREE_OPERAND (arg1, 0), 0))
- return omit_one_operand_loc (loc, type, TREE_OPERAND (arg0, 0),
- TREE_OPERAND (arg1, 0));
return NULL_TREE;
case ASSERT_EXPR: