diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/m68k/fpu_helper.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 5fd094a..3a37d8f 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -538,18 +538,27 @@ void HELPER(fmod)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) void HELPER(frem)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { - uint32_t quotient; - int sign; - - res->d = floatx80_rem(val1->d, val0->d, &env->fp_status); - - if (floatx80_is_any_nan(res->d)) { - return; + FPReg fp_quot; + floatx80 fp_rem; + + fp_rem = floatx80_rem(val1->d, val0->d, &env->fp_status); + if (!floatx80_is_any_nan(fp_rem)) { + float_status fp_status = { }; + uint32_t quotient; + int sign; + + /* Calculate quotient directly using round to nearest mode */ + set_float_rounding_mode(float_round_nearest_even, &fp_status); + set_floatx80_rounding_precision( + get_floatx80_rounding_precision(&env->fp_status), &fp_status); + fp_quot.d = floatx80_div(val1->d, val0->d, &fp_status); + + sign = extractFloatx80Sign(fp_quot.d); + quotient = floatx80_to_int32(floatx80_abs(fp_quot.d), &env->fp_status); + make_quotient(env, sign, quotient); } - sign = extractFloatx80Sign(res->d); - quotient = floatx80_to_int32(floatx80_abs(res->d), &env->fp_status); - make_quotient(env, sign, quotient); + res->d = fp_rem; } void HELPER(fgetexp)(CPUM68KState *env, FPReg *res, FPReg *val) |