Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / floatunsidf.c

diff --git a/gcc/config/floatunsidf.c b/gcc/config/floatunsidf.c
new file mode 100644 (file)
index 0000000..ff28112
--- /dev/null
+++ b/gcc/config/floatunsidf.c
@@ -0,0 +1,15 @@
+/* Public domain.  */
+typedef int SItype __attribute__ ((mode (SI)));
+typedef unsigned int USItype __attribute__ ((mode (SI)));
+typedef float DFtype __attribute__ ((mode (DF)));
+
+DFtype
+__floatunsidf (USItype u)
+{
+  SItype s = (SItype) u;
+  DFtype r = (DFtype) s;
+  if (s < 0)
+    r += (DFtype)2.0 * (DFtype) ((USItype) 1
+                                << (sizeof (USItype) * __CHAR_BIT__ - 1));
+  return r;
+}