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author | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 20:47:29 -0700 |
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committer | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 20:47:29 -0700 |
commit | 77452a26e7d95d29dbaa797595ae683f03a3345b (patch) | |
tree | e7aaae682f73a20ceb4d3366528b0cd38378f49d /softfloat/ui64_to_f64.c | |
parent | 740f981cfd55604d46598144dccac26dd53f643c (diff) | |
download | spike-77452a26e7d95d29dbaa797595ae683f03a3345b.zip spike-77452a26e7d95d29dbaa797595ae683f03a3345b.tar.gz spike-77452a26e7d95d29dbaa797595ae683f03a3345b.tar.bz2 |
temporary undoing of renaming
Diffstat (limited to 'softfloat/ui64_to_f64.c')
-rwxr-xr-x | softfloat/ui64_to_f64.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/softfloat/ui64_to_f64.c b/softfloat/ui64_to_f64.c new file mode 100755 index 0000000..52c158b --- /dev/null +++ b/softfloat/ui64_to_f64.c @@ -0,0 +1,25 @@ +
+#include <stdint.h>
+#include "platform.h"
+#include "primitives.h"
+#include "internals.h"
+#include "softfloat.h"
+
+float64_t ui64_to_f64( uint_fast64_t a )
+{
+ union ui64_f64 uZ;
+
+ if ( ! a ) {
+ uZ.ui = 0;
+ return uZ.f;
+ }
+ if ( a & UINT64_C( 0x8000000000000000 ) ) {
+ return
+ softfloat_roundPackToF64(
+ 0, 0x43D, softfloat_shortShift64RightJam( a, 1 ) );
+ } else {
+ return softfloat_normRoundPackToF64( 0, 0x43C, a );
+ }
+
+}
+
|