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authorKai Tietz <ktietz@redhat.com>2011-05-19 13:16:20 +0200
committerKai Tietz <ktietz@gcc.gnu.org>2011-05-19 13:16:20 +0200
commitda5fb46991c2b6af4cb7271841429d26a8d7d78a (patch)
tree59b15ab519b18f6a41e0da7f63f9ab0b90d5213b /gcc/gimplify.c
parent0967b2288935f9ed8030ba4750c6247aa7329a08 (diff)
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tree-cfg.c (verify_gimple_assign_binary): Barf on TRUTH_AND_EXPR, TRUTH_OR_EXPR, and TRUTH_XOR_EXPR.
2011-05-19 Kai Tietz <ktietz@redhat.com> * tree-cfg.c (verify_gimple_assign_binary): Barf on TRUTH_AND_EXPR, TRUTH_OR_EXPR, and TRUTH_XOR_EXPR. (gimplify_expr): Move TRUTH_AND|OR|XOR_EXPR to its binary form. From-SVN: r173903
Diffstat (limited to 'gcc/gimplify.c')
-rw-r--r--gcc/gimplify.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index d776692..5fd22c0 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -7210,7 +7210,23 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
break;
}
}
-
+
+ /* With two-valued operand types binary truth expressions are
+ semantically equivalent to bitwise binary expressions. Canonicalize
+ them to the bitwise variant. */ switch (TREE_CODE (*expr_p))
+ {
+ case TRUTH_AND_EXPR:
+ TREE_SET_CODE (*expr_p, BIT_AND_EXPR);
+ break;
+ case TRUTH_OR_EXPR:
+ TREE_SET_CODE (*expr_p, BIT_IOR_EXPR);
+ break;
+ case TRUTH_XOR_EXPR:
+ TREE_SET_CODE (*expr_p, BIT_XOR_EXPR);
+ break;
+ default:
+ break;
+ }
/* Classified as tcc_expression. */
goto expr_2;