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-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/dfp/pr31385.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/dfp/pr31385.c b/gcc-4.9/gcc/testsuite/c-c++-common/dfp/pr31385.c
new file mode 100644
index 000000000..fc024a3e6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/dfp/pr31385.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+typedef float fp_t __attribute__((mode(SD)));
+
+extern fp_t g(fp_t);
+
+fp_t
+bug(fp_t x)
+{
+ fp_t result;
+ int n;
+ fp_t f, f3, y, z;
+
+ n = 0;
+ y = 1.DF;
+ f = g(x);
+
+ if (f < 0.DF)
+ f = -f;
+
+ f3 = 2.DF;
+
+ z = (y + y + f / (y * y));
+ y = (z + z) / (9.DF) + f3 / (z * z);
+
+ result = y;
+
+ return (result);
+}