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Integer round inf/nan to INT_MAX/INT_MIN.

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Instead of 0x80000000 (the default "invalid" value.)
Improves the fpu test.
This commit is contained in:
Unknown W. Brackets 2013-09-13 21:26:46 -07:00
parent a537aa946d
commit 455431ba13
1 changed files with 22 additions and 4 deletions
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26
Core/MIPS/MIPSInt.cpp
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@ -866,13 +866,31 @@ namespace MIPSInt
case 5: F(fd) = fabsf(F(fs)); break; //abs
case 6: F(fd) = F(fs); break; //mov
case 7: F(fd) = -F(fs); break; //neg
case 12: FsI(fd) = (int)floorf(F(fs)+0.5f); break; //round.w.s
case 13: FsI(fd) = F(fs)>=0 ? (int)floorf(F(fs)) : (int)ceilf(F(fs)); break;//trunc.w.s
case 14: FsI(fd) = (int)ceilf (F(fs)); break; //ceil.w.s
case 15: FsI(fd) = (int)floorf(F(fs)); break; //floor.w.s
case 12:
case 13:
case 14:
case 15:
if (my_isinf(F(fs)) || my_isnan(F(fs)))
{
FsI(fd) = my_isinf(F(fs)) && F(fs) < 0.0f ? -2147483648LL : 2147483647LL;
break;
}
switch (op & 0x3f)
{
case 12: FsI(fd) = (int)floorf(F(fs)+0.5f); break; //round.w.s
case 13: FsI(fd) = F(fs)>=0 ? (int)floorf(F(fs)) : (int)ceilf(F(fs)); break;//trunc.w.s
case 14: FsI(fd) = (int)ceilf (F(fs)); break; //ceil.w.s
case 15: FsI(fd) = (int)floorf(F(fs)); break; //floor.w.s
}
break;
case 32: F(fd) = (float)FsI(fs); break; //cvt.s.w
case 36:
if (my_isinf(F(fs)) || my_isnan(F(fs)))
{
FsI(fd) = my_isinf(F(fs)) && F(fs) < 0.0f ? -2147483648LL : 2147483647LL;
break;
}
switch (currentMIPS->fcr31 & 3)
{
case 0: FsI(fd) = (int)round_ieee_754(F(fs)); break; // RINT_0