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| author | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 21:45:58 -0700 |
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| committer | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 21:45:58 -0700 |
| commit | 1e163c715550e20e239976a22e00869884713e54 (patch) | |
| tree | dbcf7b10e35421c72758df098057014fef7ffff7 /softfloat/f64_sub.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/f64_sub.c')
| -rwxr-xr-x | softfloat/f64_sub.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/softfloat/f64_sub.c b/softfloat/f64_sub.c new file mode 100755 index 0000000..38bd574 --- /dev/null +++ b/softfloat/f64_sub.c @@ -0,0 +1,29 @@ + +#include <stdbool.h> +#include <stdint.h> +#include "platform.h" +#include "internals.h" +#include "softfloat.h" + +float64_t f64_sub( float64_t a, float64_t b ) +{ + union ui64_f64 uA; + uint_fast64_t uiA; + bool signA; + union ui64_f64 uB; + uint_fast64_t uiB; + bool signB; + float64_t ( *magsRoutine )( uint_fast64_t, uint_fast64_t, bool ); + + uA.f = a; + uiA = uA.ui; + signA = signF64UI( uiA ); + uB.f = b; + uiB = uB.ui; + signB = signF64UI( uiB ); + magsRoutine = + ( signA == signB ) ? softfloat_subMagsF64 : softfloat_addMagsF64; + return magsRoutine( uiA, uiB, signA ); + +} + |