From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Wed, 12 Sep 2007 20:31:44 +0000 (+0000)
Subject: add test for n*n=2n bits multiplication
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=fba7027d7d045af8a90ee950acfad2a6347f7374;p=libfirm

add test for n*n=2n bits multiplication

[r15764]
---

diff --git a/ir/be/test/mul2n.c b/ir/be/test/mul2n.c
new file mode 100644
index 000000000..a6dd646ad
--- /dev/null
+++ b/ir/be/test/mul2n.c
@@ -0,0 +1,11 @@
+/* should produce only ONE mul, no conv's */
+#include <stdio.h>
+
+int a = 0x80000000;
+
+int main(void)
+{
+	long long x = (long long)a * a;
+	printf("%lld\n", x);
+	return 0;
+}