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diff gcc/config/floatunsitf.c @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/floatunsitf.c	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,15 @@
+/* Public domain.  */
+typedef int SItype __attribute__ ((mode (SI)));
+typedef unsigned int USItype __attribute__ ((mode (SI)));
+typedef float TFtype __attribute__ ((mode (TF)));
+
+TFtype
+__floatunsitf (USItype u)
+{
+  SItype s = (SItype) u;
+  TFtype r = (TFtype) s;
+  if (s < 0)
+    r += (TFtype)2.0 * (TFtype) ((USItype) 1
+				 << (sizeof (USItype) * __CHAR_BIT__ - 1));
+  return r;
+}