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| author | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-12 20:27:10 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-12 20:27:10 -0700 |
| commit | 740f981cfd55604d46598144dccac26dd53f643c (patch) | |
| tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /softfloat/f64_to_i32_r_minMag.c | |
| parent | c0ebf99d6bb3ef3cf252703b50b849bcbaa2ec59 (diff) | |
| download | riscv-isa-sim-740f981cfd55604d46598144dccac26dd53f643c.zip riscv-isa-sim-740f981cfd55604d46598144dccac26dd53f643c.tar.gz riscv-isa-sim-740f981cfd55604d46598144dccac26dd53f643c.tar.bz2 | |
[sim] renamed to riscv-isa-run
Diffstat (limited to 'softfloat/f64_to_i32_r_minMag.c')
| -rwxr-xr-x | softfloat/f64_to_i32_r_minMag.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/softfloat/f64_to_i32_r_minMag.c b/softfloat/f64_to_i32_r_minMag.c deleted file mode 100755 index 39246c2..0000000 --- a/softfloat/f64_to_i32_r_minMag.c +++ /dev/null @@ -1,50 +0,0 @@ -
-#include <stdbool.h>
-#include <stdint.h>
-#include "platform.h"
-#include "internals.h"
-#include "softfloat.h"
-
-int_fast32_t f64_to_i32_r_minMag( float64_t a, bool exact )
-{
- union ui64_f64 uA;
- uint_fast64_t uiA;
- int_fast16_t exp;
- uint_fast64_t sig;
- bool sign;
- int_fast16_t shiftCount;
- uint_fast32_t absZ;
- union { uint32_t ui; int32_t i; } uZ;
- int_fast32_t z;
-
- uA.f = a;
- uiA = uA.ui;
- exp = expF64UI( uiA );
- sig = fracF64UI( uiA );
- if ( exp < 0x3FF ) {
- if ( exact && ( exp | sig ) ) {
- softfloat_exceptionFlags |= softfloat_flag_inexact;
- }
- return 0;
- }
- sign = signF64UI( uiA );
- if ( 0x41E < exp ) {
- if ( ( exp == 0x7FF ) && sig ) sign = 0;
- goto invalid;
- }
- sig |= UINT64_C( 0x0010000000000000 );
- shiftCount = 0x433 - exp;
- absZ = sig>>shiftCount;
- uZ.ui = sign ? - absZ : absZ;
- z = uZ.i;
- if ( ( z < 0 ) != sign ) goto invalid;
- if ( exact && ( (uint_fast64_t) absZ<<shiftCount != sig ) ) {
- softfloat_exceptionFlags |= softfloat_flag_inexact;
- }
- return z;
- invalid:
- softfloat_raiseFlags( softfloat_flag_invalid );
- return sign ? -0x7FFFFFFF - 1 : 0x7FFFFFFF;
-
-}
-
|