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Remove cpu_translator::scarry, cpu_translator::merge

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This commit is contained in:
Nekotekina 2019-04-19 13:27:11 +03:00
parent 524aac75ed
commit 42448cf3e5
3 changed files with 7 additions and 19 deletions
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9
rpcs3/Emu/Cell/PPUTranslator.cpp
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@ -950,8 +950,8 @@ void PPUTranslator::VMHADDSHS(ppu_opcode_t op)
// m.value = m_ir->CreateOr(m.value, m_ir->CreateLShr(m_ir->CreateMul(a.value, b.value), 15));
// const auto s = eval(c + m);
// const auto z = eval((c >> 15) ^ 0x7fff);
// const auto x = eval(scarry(c, m, s) >> 15);
// set_vr(op.vd, eval(merge(x, z, s)));
// const auto x = eval(((m ^ s) & ~(c ^ m)) >> 15);
// set_vr(op.vd, eval((z & x) | (s & ~x)));
//SetSat(IsNotZero(saturated.second));
}
@ -1078,8 +1078,9 @@ void PPUTranslator::VMSUMSHS(ppu_opcode_t op)
const auto m = eval(ml + mh);
const auto s = eval(m + c);
const auto z = eval((c >> 31) ^ 0x7fffffff);
const auto x = eval(scarry(c, eval(m ^ sext<s32[4]>(m == 0x80000000u)), s) >> 31);
set_vr(op.vd, eval(merge(x, z, s)));
const auto mx = eval(m ^ sext<s32[4]>(m == 0x80000000u));
const auto x = eval(((mx ^ s) & ~(c ^ mx)) >> 31);
set_vr(op.vd, eval((z & x) | (s & ~x)));
SetSat(IsNotZero(x.value));
}