diff options
| -rw-r--r-- | target/m68k/softfloat.c | 27 | ||||
| -rw-r--r-- | target/m68k/softfloat.h | 1 |
2 files changed, 28 insertions, 0 deletions
diff --git a/target/m68k/softfloat.c b/target/m68k/softfloat.c index 9cb141900c..55eb7a260a 100644 --- a/target/m68k/softfloat.c +++ b/target/m68k/softfloat.c @@ -247,3 +247,30 @@ floatx80 floatx80_scale(floatx80 a, floatx80 b, float_status *status) return roundAndPackFloatx80(status->floatx80_rounding_precision, aSign, aExp, aSig, 0, status); } + +floatx80 floatx80_move(floatx80 a, float_status *status) +{ + flag aSign; + int32_t aExp; + uint64_t aSig; + + aSig = extractFloatx80Frac(a); + aExp = extractFloatx80Exp(a); + aSign = extractFloatx80Sign(a); + + if (aExp == 0x7FFF) { + if ((uint64_t)(aSig << 1)) { + return propagateFloatx80NaNOneArg(a, status); + } + return a; + } + if (aExp == 0) { + if (aSig == 0) { + return a; + } + normalizeRoundAndPackFloatx80(status->floatx80_rounding_precision, + aSign, aExp, aSig, 0, status); + } + return roundAndPackFloatx80(status->floatx80_rounding_precision, aSign, + aExp, aSig, 0, status); +} diff --git a/target/m68k/softfloat.h b/target/m68k/softfloat.h index 78fbc0cd0c..18561b870d 100644 --- a/target/m68k/softfloat.h +++ b/target/m68k/softfloat.h @@ -26,4 +26,5 @@ floatx80 floatx80_mod(floatx80 a, floatx80 b, float_status *status); floatx80 floatx80_getman(floatx80 a, float_status *status); floatx80 floatx80_getexp(floatx80 a, float_status *status); floatx80 floatx80_scale(floatx80 a, floatx80 b, float_status *status); +floatx80 floatx80_move(floatx80 a, float_status *status); #endif |