(truthvalue_conversion): If expr is a BIT_AND_EXPR

where one of the operands is integer_onep, just return expr. From-SVN: r7293
1994-05-13 20:30:24 +00:00 · 1994-05-13 20:30:24 +00:00 · fb48b1f0d3
parent 6cdbaec41b
commit fb48b1f0d3
1 changed files with 4 additions and 0 deletions
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@ -1862,6 +1862,10 @@ truthvalue_conversion (expr)
 					    TREE_TYPE (TREE_OPERAND (expr, 0)),
 					    TREE_OPERAND (expr, 1))), 1);

+    case BIT_AND_EXPR:
+      if (integer_onep (TREE_OPERAND (expr, 1)))
+	return expr;
+
    case MODIFY_EXPR:
      if (warn_parentheses && C_EXP_ORIGINAL_CODE (expr) == MODIFY_EXPR)
 	warning ("suggest parentheses around assignment used as truth value");