RPCS3/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2024-11-23 11:13:19 +01:00
Code Issues Releases Wiki Activity

ppu: improve vnmsubfp instruction

Browse Source
This commit is contained in:
scribam 2018-06-26 22:23:23 +02:00 committed by Ivan
parent 733efc6b0d
commit 2ed6e51d24
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
rpcs3/Emu/Cell/PPUInterpreter.cpp
View File

@ -1363,7 +1363,7 @@ bool ppu_interpreter::VMULOUH(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::VNMSUBFP(ppu_thread& ppu, ppu_opcode_t op)
{
ppu.vr[op.vd].vf = _mm_sub_ps(ppu.vr[op.vb].vf, _mm_mul_ps(ppu.vr[op.va].vf, ppu.vr[op.vc].vf));
ppu.vr[op.vd].vf = _mm_xor_ps(_mm_sub_ps(_mm_mul_ps(ppu.vr[op.va].vf, ppu.vr[op.vc].vf), ppu.vr[op.vb].vf), _mm_set1_ps(-0.0f));
return true;
}

2
rpcs3/Emu/Cell/PPUTranslator.cpp
View File

@ -1175,7 +1175,7 @@ void PPUTranslator::VMULOUH(ppu_opcode_t op)
void PPUTranslator::VNMSUBFP(ppu_opcode_t op)
{
const auto acb = GetVrs(VrType::vf, op.va, op.vc, op.vb);
SetVr(op.vd, m_ir->CreateFSub(acb[2], m_ir->CreateFMul(acb[0], acb[1])));
SetVr(op.vd, m_ir->CreateFNeg(m_ir->CreateFSub(m_ir->CreateFMul(acb[0], acb[1]), acb[2])));
}
void PPUTranslator::VNOR(ppu_opcode_t op)