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[FAST486]

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Fix comparing NaNs in Fast486FpuCompare.


svn path=/trunk/; revision=67844
This commit is contained in:
Aleksandar Andrejevic
2015-05-22 03:40:44 +00:00
parent 7e58e7cf42
commit 15c2b7663c
1 changed files with 6 additions and 2 deletions
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reactos/lib/fast486/fpu.c
+6 -2
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@@ -767,13 +767,17 @@ Fast486FpuCompare(PFAST486_STATE State,
{
if (FPU_IS_NAN(FirstOperand) || FPU_IS_NAN(SecondOperand))
{
if (FPU_IS_POS_INF(FirstOperand) && FPU_IS_NEG_INF(SecondOperand))
if ((FPU_IS_POS_INF(FirstOperand)
&& (!FPU_IS_NAN(SecondOperand) || FPU_IS_NEG_INF(SecondOperand)))
|| (!FPU_IS_NAN(FirstOperand) && FPU_IS_NEG_INF(SecondOperand)))
{
State->FpuStatus.Code0 = FALSE;
State->FpuStatus.Code2 = FALSE;
State->FpuStatus.Code3 = FALSE;
}
else if (FPU_IS_NEG_INF(FirstOperand) && FPU_IS_POS_INF(SecondOperand))
else if ((FPU_IS_POS_INF(SecondOperand)
&& (!FPU_IS_NAN(FirstOperand) || FPU_IS_NEG_INF(FirstOperand)))
|| (!FPU_IS_NAN(SecondOperand) && FPU_IS_NEG_INF(FirstOperand)))
{
State->FpuStatus.Code0 = TRUE;
State->FpuStatus.Code2 = FALSE;