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fix for float32_to_uint32_round_to_zero

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This commit is contained in:
Stanislav Shwartsman 2013-12-15 19:45:23 +00:00
parent 8707e0626d
commit 7f98bbaea0
1 changed files with 7 additions and 1 deletions
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8
bochs/cpu/fpu/softfloat.cc
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@ -265,6 +265,7 @@ Bit32s float32_to_int32_round_to_zero(float32 a, float_status_t &status)
| except that the conversion is always rounded toward zero. If `a' is a NaN
| or conversion overflows, the largest positive integer is returned.
*----------------------------------------------------------------------------*/
Bit32u float32_to_uint32_round_to_zero(float32 a, float_status_t &status)
{
int aSign;
@ -403,7 +404,11 @@ Bit64u float32_to_uint64_round_to_zero(float32 a, float_status_t &status)
}
if (aSign) {
if (aExp | aSig) float_raise(status, float_flag_invalid);
if (aExp) {
float_raise(status, float_flag_invalid);
} else if (aSig) { /* negative denormalized */
float_raise(status, float_flag_inexact);
}
return 0;
}
if (0 < shiftCount) {
@ -1369,6 +1374,7 @@ Bit64s float64_to_int64_round_to_zero(float64 a, float_status_t &status)
| overflows, the largest positive integer is returned. If 'a' is negative,
| zero is is returned.
*----------------------------------------------------------------------------*/
Bit32u float64_to_uint32(float64 a, float_status_t &status)
{
Bit64s val_64 = float64_to_int64(a, status);