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Compare unordered relation also raises denormal

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This commit is contained in:
Stanislav Shwartsman 2003-05-17 18:11:22 +00:00
parent 338e7b4fe2
commit 36a8c8a6ac
1 changed files with 23 additions and 6 deletions
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29
bochs/cpu/softfloat.cc
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@ -1535,14 +1535,23 @@ int float32_lt_quiet(float32 a, float32 b, float_status_t &status)
int float32_unordered(float32 a, float32 b, float_status_t &status)
{
if (((extractFloat32Exp(a) == 0xFF) && extractFloat32Frac(a))
|| ((extractFloat32Exp(b) == 0xFF) && extractFloat32Frac(b)))
float_class_t aClass = float32_class(a);
float_class_t bClass = float32_class(b);
if (aClass == float_NaN || bClass == float_NaN)
{
if (float32_is_signaling_nan(a) || float32_is_signaling_nan(b)) {
if (float32_is_signaling_nan(a) || float32_is_signaling_nan(b))
{
float_raise(status, float_flag_invalid);
}
return 1;
}
if (aClass == float_denormal || bClass == float_denormal)
{
float_raise(status, float_flag_denormal);
}
return 0;
}
@ -2572,15 +2581,23 @@ int float64_lt_quiet(float64 a, float64 b, float_status_t &status)
int float64_unordered(float64 a, float64 b, float_status_t &status)
{
if (((extractFloat64Exp(a) == 0x7FF) && extractFloat64Frac(a))
|| ((extractFloat64Exp(b) == 0x7FF) && extractFloat64Frac(b)))
float_class_t aClass = float64_class(a);
float_class_t bClass = float64_class(b);
if (aClass == float_NaN || bClass == float_NaN)
{
if (float64_is_signaling_nan(a) || float64_is_signaling_nan(b))
if (float64_is_signaling_nan(a) || float64_is_signaling_nan(b))
{
float_raise(status, float_flag_invalid);
}
return 1;
}
if (aClass == float_denormal || bClass == float_denormal)
{
float_raise(status, float_flag_denormal);
}
return 0;
}