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Merge pull request #3261 from MerryMage/DPH

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shader_jit_x64_compiler: Use haddps for horizontal summation
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Yuri Kunde Schlesner 2017-12-13 09:09:42 -05:00 committed by GitHub
commit aecd2b85fe
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1 changed files with 4 additions and 14 deletions
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18
src/video_core/shader/shader_jit_x64_compiler.cpp
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@ -387,13 +387,8 @@ void JitShader::Compile_DP4(Instruction instr) {
Compile_SanitizedMul(SRC1, SRC2, SCRATCH); Compile_SanitizedMul(SRC1, SRC2, SCRATCH);
movaps(SRC2, SRC1); haddps(SRC1, SRC1);
shufps(SRC1, SRC1, _MM_SHUFFLE(2, 3, 0, 1)); // XYZW -> ZWXY haddps(SRC1, SRC1);
addps(SRC1, SRC2);
movaps(SRC2, SRC1);
shufps(SRC1, SRC1, _MM_SHUFFLE(0, 1, 2, 3)); // XYZW -> WZYX
addps(SRC1, SRC2);
Compile_DestEnable(instr, SRC1); Compile_DestEnable(instr, SRC1);
} }
@ -419,13 +414,8 @@ void JitShader::Compile_DPH(Instruction instr) {
Compile_SanitizedMul(SRC1, SRC2, SCRATCH); Compile_SanitizedMul(SRC1, SRC2, SCRATCH);
movaps(SRC2, SRC1); haddps(SRC1, SRC1);
shufps(SRC1, SRC1, _MM_SHUFFLE(2, 3, 0, 1)); // XYZW -> ZWXY haddps(SRC1, SRC1);
addps(SRC1, SRC2);
movaps(SRC2, SRC1);
shufps(SRC1, SRC1, _MM_SHUFFLE(0, 1, 2, 3)); // XYZW -> WZYX
addps(SRC1, SRC2);
Compile_DestEnable(instr, SRC1); Compile_DestEnable(instr, SRC1);
} }