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Optimize some macros

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Use rotate() instead of inline asm; breaks Titan speed
This commit is contained in:
jsteube 2016-05-08 11:09:44 +02:00
parent 41e2d7247a
commit 6d027e77f2
1 changed files with 10 additions and 67 deletions
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77
OpenCL/types_ocl.c
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@ -352,69 +352,12 @@ inline u64x swap64 (const u64x v)
inline u32x rotr32 (const u32x a, const u32 n)
{
#if CUDA_ARCH < 350
u32x t;
u32x r;
#if VECT_SIZE == 2
asm ("shr.b32 %4, %2, %6;"
"shr.b32 %5, %3, %6;"
"mad.lo.u32 %0, %2, %7, %4;"
"mad.lo.u32 %1, %3, %7, %5;"
: "=r"(r.s0),
"=r"(r.s1)
: "r"(a.s0),
"r"(a.s1),
"r"(t.s0),
"r"(t.s1),
"r"(n),
"r"(1 << (32 - n)));
#elif VECT_SIZE == 4
asm ("shr.b32 %8, %4, %12;\n"
"shr.b32 %9, %5, %12;\n"
"shr.b32 %10, %6, %12;\n"
"shr.b32 %11, %7, %12;\n"
"mad.lo.u32 %0, %4, %13, %8;\n"
"mad.lo.u32 %1, %5, %13, %9;\n"
"mad.lo.u32 %2, %6, %13, %10;\n"
"mad.lo.u32 %3, %7, %13, %11;\n"
: "=r"(r.s0),
"=r"(r.s1),
"=r"(r.s2),
"=r"(r.s3)
: "r"(a.s0),
"r"(a.s1),
"r"(a.s2),
"r"(a.s3),
"r"(t.s0),
"r"(t.s1),
"r"(t.s2),
"r"(t.s3),
"r"(n),
"r"(1 << (32 - n)));
#else
r = rotate (a, n);
#endif
return r;
#else
return rotate (a, n);
#endif
return rotate (a, 32 - n);
}
inline u32x rotl32 (const u32x a, const u32 n)
{
return rotr32 (a, 32 - n);
return rotate (a, n);
}
inline u64x rotr64 (const u64x a, const u32 n)
@ -475,22 +418,22 @@ inline u32 __bfe (const u32 a, const u32 b, const u32 c)
return r;
}
#if CUDA_ARCH >= 350
inline u32 amd_bytealign (const u32 a, const u32 b, const u32 c)
{
u32 r;
#if CUDA_ARCH >= 350
asm ("shf.r.wrap.b32 %0, %1, %2, %3;" : "=r"(r) : "r"(b), "r"(a), "r"((c & 3) * 8));
#else
r = __byte_perm_S (b, a, (0x76543210 >> ((c & 3) * 4)) & 0xffff);
#endif
return r;
}
#else
inline u32 amd_bytealign (const u32 a, const u32 b, const u32 c)
{
return __byte_perm_S (b, a, (0x76543210 >> ((c & 3) * 4)) & 0xffff);
}
#endif
#endif
#ifdef IS_GENERIC