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| author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-08-24 06:46:10 +0200 |
|---|---|---|
| committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-08-24 06:46:10 +0200 |
| commit | 76247170dfc43d1d01f71447893915ec02686990 (patch) | |
| tree | 2e99549de55953a1928adb52f9dc13a6d1b9a676 | |
| parent | Shader JIT: Fix CMP NaN behavior to match hardware (diff) | |
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Diffstat (limited to '')
| -rw-r--r-- | src/video_core/shader/shader_jit_x64.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/video_core/shader/shader_jit_x64.cpp b/src/video_core/shader/shader_jit_x64.cpp index 2a1e51013..e56bff2b8 100644 --- a/src/video_core/shader/shader_jit_x64.cpp +++ b/src/video_core/shader/shader_jit_x64.cpp @@ -115,6 +115,8 @@ static const X64Reg SRC1 = XMM1; static const X64Reg SRC2 = XMM2; /// Loaded with the third swizzled source register, otherwise can be used as a scratch register static const X64Reg SRC3 = XMM3; +/// Additional scratch register +static const X64Reg SCRATCH2 = XMM4; /// Constant vector of [1.0f, 1.0f, 1.0f, 1.0f], used to efficiently set a vector to one static const X64Reg ONE = XMM14; /// Constant vector of [-0.f, -0.f, -0.f, -0.f], used to efficiently negate a vector with XOR @@ -227,8 +229,8 @@ void JitCompiler::Compile_DestEnable(Instruction instr,X64Reg src) { u8 mask = ((swiz.dest_mask & 1) << 3) | ((swiz.dest_mask & 8) >> 3) | ((swiz.dest_mask & 2) << 1) | ((swiz.dest_mask & 4) >> 1); BLENDPS(SCRATCH, R(src), mask); } else { - MOVAPS(XMM4, R(src)); - UNPCKHPS(XMM4, R(SCRATCH)); // Unpack X/Y components of source and destination + MOVAPS(SCRATCH2, R(src)); + UNPCKHPS(SCRATCH2, R(SCRATCH)); // Unpack X/Y components of source and destination UNPCKLPS(SCRATCH, R(src)); // Unpack Z/W components of source and destination // Compute selector to selectively copy source components to destination for SHUFPS instruction @@ -236,7 +238,7 @@ void JitCompiler::Compile_DestEnable(Instruction instr,X64Reg src) { ((swiz.DestComponentEnabled(1) ? 3 : 2) << 2) | ((swiz.DestComponentEnabled(2) ? 0 : 1) << 4) | ((swiz.DestComponentEnabled(3) ? 2 : 3) << 6); - SHUFPS(SCRATCH, R(XMM4), sel); + SHUFPS(SCRATCH, R(SCRATCH2), sel); } // Store dest back to memory |