1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/floatunsisf-1.c b/gcc/testsuite/gcc.c-torture/execute/floatunsisf-1.c
new file mode 100644
index 000000000..cc4c49bbe
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/floatunsisf-1.c
@@ -0,0 +1,21 @@
+/* The fp-bit.c function __floatunsisf had a latent bug where guard bits
+   could be lost leading to incorrect rounding.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+
+extern void abort (void);
+extern void exit (int);
+#if __INT_MAX__ >= 0x7fffffff
+volatile unsigned u = 0x80000081;
+#else
+volatile unsigned long u = 0x80000081;
+#endif
+volatile float f1, f2;
+int
+main (void)
+{
+  f1 = (float) u;
+  f2 = (float) 0x80000081;
+  if (f1 != f2)
+    abort ();
+  exit (0);
+}