diff options
author | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 21:45:58 -0700 |
---|---|---|
committer | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 21:45:58 -0700 |
commit | 1e163c715550e20e239976a22e00869884713e54 (patch) | |
tree | dbcf7b10e35421c72758df098057014fef7ffff7 /softfloat/i32_to_f64.c | |
parent | 0edaecc54329048eb91ad6a45338265ef1a4569c (diff) | |
download | riscv-pk-1e163c715550e20e239976a22e00869884713e54.zip riscv-pk-1e163c715550e20e239976a22e00869884713e54.tar.gz riscv-pk-1e163c715550e20e239976a22e00869884713e54.tar.bz2 |
fixed build after repo split
Diffstat (limited to 'softfloat/i32_to_f64.c')
-rwxr-xr-x | softfloat/i32_to_f64.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/softfloat/i32_to_f64.c b/softfloat/i32_to_f64.c new file mode 100755 index 0000000..d42cbe8 --- /dev/null +++ b/softfloat/i32_to_f64.c @@ -0,0 +1,31 @@ +
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "primitives.h"
+#include "internals.h"
+#include "softfloat.h"
+
+float64_t i32_to_f64( int_fast32_t a )
+{
+ uint_fast64_t uiZ;
+ bool sign;
+ uint_fast32_t absA;
+ int shiftCount;
+ union ui64_f64 uZ;
+
+ if ( ! a ) {
+ uiZ = 0;
+ } else {
+ sign = ( a < 0 );
+ absA = sign ? - a : a;
+ shiftCount = softfloat_countLeadingZeros32( absA ) + 21;
+ uiZ =
+ packToF64UI(
+ sign, 0x432 - shiftCount, (uint_fast64_t) absA<<shiftCount );
+ }
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
|