mirror/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-01-31 15:32:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

spu-precise: fix double-precision floating-point exception checks

Browse Source
This commit is contained in:
scribam 2018-07-15 13:37:47 +02:00 committed by Ivan
parent 8bfe4c908c
commit 5828367013
1 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
rpcs3/Emu/Cell/SPUInterpreter.cpp
View File

@ -2155,18 +2155,18 @@ static void DFASM(SPUThread& spu, spu_opcode_t op, DoubleOp operation)
case DFASM_M: result = a * b; break;
}
const u32 e = _mm_getcsr();
if (e & _MM_MASK_INVALID)
if (e & _MM_EXCEPT_INVALID)
{
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DINV);
result = DOUBLE_NAN;
}
else
{
if (e & _MM_MASK_OVERFLOW)
if (e & _MM_EXCEPT_OVERFLOW)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DOVF);
if (e & _MM_MASK_UNDERFLOW)
if (e & _MM_EXCEPT_UNDERFLOW)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DUNF);
if (e & _MM_MASK_INEXACT)
if (e & _MM_EXCEPT_INEXACT)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DINX);
}
}
@ -2216,18 +2216,18 @@ static void DFMA(SPUThread& spu, spu_opcode_t op, bool neg, bool sub)
feclearexcept(FE_ALL_EXCEPT);
result = fma(a, b, sub ? -c : c);
const u32 e = _mm_getcsr();
if (e & _MM_MASK_INVALID)
if (e & _MM_EXCEPT_INVALID)
{
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DINV);
result = DOUBLE_NAN;
}
else
{
if (e & _MM_MASK_OVERFLOW)
if (e & _MM_EXCEPT_OVERFLOW)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DOVF);
if (e & _MM_MASK_UNDERFLOW)
if (e & _MM_EXCEPT_UNDERFLOW)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DUNF);
if (e & _MM_MASK_INEXACT)
if (e & _MM_EXCEPT_INEXACT)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DINX);
if (neg) result = -result;
}
@ -2293,11 +2293,11 @@ bool spu_interpreter_precise::FRDS(SPUThread& spu, spu_opcode_t op)
feclearexcept(FE_ALL_EXCEPT);
spu.gpr[op.rt]._f[i * 2 + 1] = (float)a;
const u32 e = _mm_getcsr();
if (e & _MM_MASK_OVERFLOW)
if (e & _MM_EXCEPT_OVERFLOW)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DOVF);
if (e & _MM_MASK_UNDERFLOW)
if (e & _MM_EXCEPT_UNDERFLOW)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DUNF);
if (e & _MM_MASK_INEXACT)
if (e & _MM_EXCEPT_INEXACT)
spu.fpscr.setDoublePrecisionExceptionFlags(i, FPSCR_DINX);
}
spu.gpr[op.rt]._u32[i * 2] = 0;