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-rw-r--r--gcc/config/floatunsidf.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/config/floatunsidf.c b/gcc/config/floatunsidf.c
new file mode 100644
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;
+}