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Fix -m 7800 by adding amd_bytealign emulation
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@ -31,6 +31,26 @@ static u32 __byte_perm (const u32 a, const u32 b, const u32 s)
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return r;
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}
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#if CUDA_ARCH >= 350
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static u32 amd_bytealign (const u32 a, const u32 b, const u32 c)
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{
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u32 r;
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asm ("shf.r.wrap.b32 %0, %1, %2, %3;" : "=r"(r) : "r"(b), "r"(a), "r"((c & 3) * 8));
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return r;
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}
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#else
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static u32 amd_bytealign (const u32 a, const u32 b, const u32 c)
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{
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return __byte_perm (b, a, (0x76543210 >> ((c & 3) * 4)) & 0xffff);
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}
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#endif
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static u32 lut3_2d (const u32 a, const u32 b, const u32 c)
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{
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u32 r;
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