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Shader JIT: Tiny micro-optimization in DPH

master
Yuri Kunde Schlesner 2015-08-24 01:15:39 +07:00
parent 630a850d4d
commit d8ef20c856
1 changed files with 4 additions and 4 deletions
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8
src/video_core/shader/shader_jit_x64.cpp
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@ -367,10 +367,10 @@ void JitCompiler::Compile_DPH(Instruction instr) {
// Set 4th component to 1.0
BLENDPS(SRC1, R(ONE), 0x8); // 0b1000
} else {
// Reverse to set the 4th component to 1.0
SHUFPS(SRC1, R(SRC1), _MM_SHUFFLE(0, 1, 2, 3));
MOVSS(SRC1, R(ONE));
SHUFPS(SRC1, R(SRC1), _MM_SHUFFLE(0, 1, 2, 3));
// Set 4th component to 1.0
MOVAPS(SCRATCH, R(SRC1));
UNPCKHPS(SCRATCH, R(ONE)); // XYZW, 1111 -> Z1__
UNPCKLPD(SRC1, R(SCRATCH)); // XYZW, Z1__ -> XYZ1
}
Compile_SanitizedMul(SRC1, SRC2, SCRATCH);