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Merge pull request #8027 from MerryMage/MOVAPS

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Jit64: Prefer MOVAPS where possible
This commit is contained in:
Connor McLaughlin
2019-05-22 15:05:17 +10:00
committed by GitHub
parent 57fbf1cd6e e06111e86f
commit 68877c52d1
2 changed files with 18 additions and 8 deletions
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10
Source/Core/Core/PowerPC/Jit64Common/EmuCodeBlock.cpp
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@ -894,7 +894,7 @@ alignas(16) static const __m128i double_qnan_bit = _mm_set_epi64x(0xffffffffffff
// unless the exponent is in the range of 874 to 896.
void EmuCodeBlock::ConvertDoubleToSingle(X64Reg dst, X64Reg src)
{
MOVSD(XMM1, R(src));
MOVAPD(XMM1, R(src));
// Grab Exponent
PAND(XMM1, MConst(double_exponent));
@ -914,7 +914,7 @@ void EmuCodeBlock::ConvertDoubleToSingle(X64Reg dst, X64Reg src)
PSUBQ(XMM0, R(XMM1));
// xmm1 = fraction | 0x0010000000000000
MOVSD(XMM1, R(src));
MOVAPD(XMM1, R(src));
PAND(XMM1, MConst(double_fraction));
POR(XMM1, MConst(double_explicit_top_bit));
@ -922,7 +922,7 @@ void EmuCodeBlock::ConvertDoubleToSingle(X64Reg dst, X64Reg src)
PSRLQ(XMM1, R(XMM0));
// OR the sign bit in.
MOVSD(XMM0, R(src));
MOVAPD(XMM0, R(src));
PAND(XMM0, MConst(double_sign_bit));
PSRLQ(XMM0, 32);
POR(XMM1, R(XMM0));
@ -934,12 +934,12 @@ void EmuCodeBlock::ConvertDoubleToSingle(X64Reg dst, X64Reg src)
// Don't Denormalize
// We want bits 0, 1
MOVSD(XMM1, R(src));
MOVAPD(XMM1, R(src));
PAND(XMM1, MConst(double_top_two_bits));
PSRLQ(XMM1, 32);
// And 5 through to 34
MOVSD(XMM0, R(src));
MOVAPD(XMM0, R(src));
PAND(XMM0, MConst(double_bottom_bits));
PSRLQ(XMM0, 29);