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PPU interpreters: Fix VMAXFP NaN and signed zeroes handling

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Eladash 2020-07-30 20:03:22 +03:00 committed by Ani
parent 6a51c27fde
commit 70fb5712e5
1 changed files with 4 additions and 1 deletions
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5
rpcs3/Emu/Cell/PPUInterpreter.cpp
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@ -988,7 +988,10 @@ bool ppu_interpreter_precise::VMADDFP(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::VMAXFP(ppu_thread& ppu, ppu_opcode_t op)
{
ppu.vr[op.vd] = vec_handle_denormal(ppu, vec_handle_nan(_mm_max_ps(ppu.vr[op.va].vf, ppu.vr[op.vb].vf)));
const auto a = ppu.vr[op.va];
const auto b = ppu.vr[op.vb];
const auto result = _mm_and_ps(_mm_max_ps(a.vf, b.vf), _mm_max_ps(b.vf, a.vf));
ppu.vr[op.vd] = vec_handle_denormal(ppu, vec_handle_nan(v128::fromF(result), a, b));
return true;
}