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-rw-r--r--gcc/tree.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index e40ee23..6ad0575 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -2169,6 +2169,21 @@ integer_onep (const_tree expr)
}
}
+/* Return 1 if EXPR is the integer constant one. For complex and vector,
+ return 1 if every piece is the integer constant one. */
+
+int
+integer_each_onep (const_tree expr)
+{
+ STRIP_NOPS (expr);
+
+ if (TREE_CODE (expr) == COMPLEX_CST)
+ return (integer_onep (TREE_REALPART (expr))
+ && integer_onep (TREE_IMAGPART (expr)));
+ else
+ return integer_onep (expr);
+}
+
/* Return 1 if EXPR is an integer containing all 1's in as much precision as
it contains, or a complex or vector whose subparts are such integers. */