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authorschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>1998-06-19 01:46:50 +0000
committerschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>1998-06-19 01:46:50 +0000
commita0748b7d9732433c1258d463088aebc04e6283a8 (patch)
tree511e2ebe6a5a9b3cd70413e4381c906b737049fb /gcc/c-common.c
parent6c2f7b46e3440e5108af77ea1c48f43dc538edd6 (diff)
downloadgcc-a0748b7d9732433c1258d463088aebc04e6283a8.tar.gz
* c-common.c (truthvalue_conversion): Protect side effects in the
expression when splitting a complex value. * fold-const.c (fold): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@20580 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-common.c')
-rw-r--r--gcc/c-common.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c
index 9983cdbc5ef..3a22c174180 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -2670,12 +2670,15 @@ truthvalue_conversion (expr)
}
if (TREE_CODE (TREE_TYPE (expr)) == COMPLEX_TYPE)
- return (build_binary_op
- ((TREE_SIDE_EFFECTS (expr)
- ? TRUTH_OR_EXPR : TRUTH_ORIF_EXPR),
- truthvalue_conversion (build_unary_op (REALPART_EXPR, expr, 0)),
- truthvalue_conversion (build_unary_op (IMAGPART_EXPR, expr, 0)),
- 0));
+ {
+ tree tem = save_expr (expr);
+ return (build_binary_op
+ ((TREE_SIDE_EFFECTS (expr)
+ ? TRUTH_OR_EXPR : TRUTH_ORIF_EXPR),
+ truthvalue_conversion (build_unary_op (REALPART_EXPR, tem, 0)),
+ truthvalue_conversion (build_unary_op (IMAGPART_EXPR, tem, 0)),
+ 0));
+ }
return build_binary_op (NE_EXPR, expr, integer_zero_node, 1);
}