From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Thu, 4 Sep 2008 10:32:17 +0000 (+0000)
Subject: strange difference between eccp and cparser
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=b9f1ef9dbf9540278c8d9e47972fae083739aa04;p=libfirm

strange difference between eccp and cparser

[r21692]
---

diff --git a/ir/be/test/fehler148.c b/ir/be/test/fehler148.c
new file mode 100644
index 000000000..1dcdf106d
--- /dev/null
+++ b/ir/be/test/fehler148.c
@@ -0,0 +1,48 @@
+#define NE 6
+
+/* Number of 16 bit words in internal format */
+#define NI (NE+3)
+
+/* Array offset to exponent */
+#define E 1
+
+/* Array offset to high guard word */
+#define M 2
+
+
+static void
+eshdn1 (x)
+	register unsigned short *x;
+{
+	register unsigned short bits;
+	int i;
+
+	x += M;                       /* point to significand area */
+
+	bits = 0;
+	for (i = M; i < NI; i++)
+	{
+		if (*x & 1)
+			bits |= 1;
+		*x >>= 1;
+		if (bits & 2)
+			*x |= 0x8000;
+		bits <<= 1;
+		++x;
+	}
+
+}
+
+static int
+edivm (den, num)
+	     unsigned short den[], num[];
+{
+	eshdn1 (num);
+}
+
+int main(int argc, char *argv[]) {
+	unsigned short den[NI], num[NI];
+
+	edivm(den, num);
+	return 0;
+}