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| author | Andrew Waterman <waterman@s144.Millennium.Berkeley.EDU> | 2010-10-15 16:17:53 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@s144.Millennium.Berkeley.EDU> | 2010-10-15 16:17:53 -0700 |
| commit | ab928baadbfd3316988a3ad5b5d9b84693a8636f (patch) | |
| tree | b464ce729d53aeff072ed2c341b06194e9ea174b /softfloat/s_normRoundPackToF32.c | |
| parent | d3cb781e165427412b299b6034289b8458472790 (diff) | |
| download | spike-ab928baadbfd3316988a3ad5b5d9b84693a8636f.zip spike-ab928baadbfd3316988a3ad5b5d9b84693a8636f.tar.gz spike-ab928baadbfd3316988a3ad5b5d9b84693a8636f.tar.bz2 | |
[sim] made softfloat files C instead of C++
Diffstat (limited to 'softfloat/s_normRoundPackToF32.c')
| -rwxr-xr-x | softfloat/s_normRoundPackToF32.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/softfloat/s_normRoundPackToF32.c b/softfloat/s_normRoundPackToF32.c new file mode 100755 index 0000000..2e6f4b0 --- /dev/null +++ b/softfloat/s_normRoundPackToF32.c @@ -0,0 +1,24 @@ +
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "primitives.h"
+#include "internals.h"
+
+float32_t
+ softfloat_normRoundPackToF32( bool sign, int_fast16_t exp, uint_fast32_t sig )
+{
+ int shiftCount;
+ union ui32_f32 uZ;
+
+ shiftCount = softfloat_countLeadingZeros32( sig ) - 1;
+ exp -= shiftCount;
+ if ( ( 7 <= shiftCount ) && ( (uint16_t) exp < 0xFD ) ) {
+ uZ.ui = packToF32UI( sign, sig ? exp : 0, sig<<( shiftCount - 7 ) );
+ return uZ.f;
+ } else {
+ return softfloat_roundPackToF32( sign, exp, sig<<shiftCount );
+ }
+
+}
+
|