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uint2: remove the slower asm in operators funcs

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This commit is contained in:
Tanguy Pruvot 2016-09-28 07:12:05 +02:00
parent 665de3a1f2
commit 225f25a6b9
1 changed files with 0 additions and 19 deletions
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19
cuda_helper.h
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@ -481,31 +481,12 @@ static __device__ __forceinline__ uint2 operator~ (uint2 a) { return make_uint2(
static __device__ __forceinline__ void operator^= (uint2 &a, uint2 b) { a = a ^ b; } static __device__ __forceinline__ void operator^= (uint2 &a, uint2 b) { a = a ^ b; }
static __device__ __forceinline__ uint2 operator+ (uint2 a, uint2 b) { static __device__ __forceinline__ uint2 operator+ (uint2 a, uint2 b) {
#if defined(__CUDA_ARCH__) && CUDA_VERSION < 7000
uint2 result;
asm("{ // uint2 a+b \n\t"
"add.cc.u32 %0, %2, %4; \n\t"
"addc.u32 %1, %3, %5; \n\t"
"}\n" : "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(b.x), "r"(b.y));
return result;
#else
return vectorize(devectorize(a) + devectorize(b)); return vectorize(devectorize(a) + devectorize(b));
#endif
} }
static __device__ __forceinline__ void operator+= (uint2 &a, uint2 b) { a = a + b; } static __device__ __forceinline__ void operator+= (uint2 &a, uint2 b) { a = a + b; }
static __device__ __forceinline__ uint2 operator- (uint2 a, uint2 b) { static __device__ __forceinline__ uint2 operator- (uint2 a, uint2 b) {
#if defined(__CUDA_ARCH__) && CUDA_VERSION < 7000
uint2 result;
asm("{ // uint2 a-b \n\t"
"sub.cc.u32 %0, %2, %4; \n\t"
"subc.u32 %1, %3, %5; \n\t"
"}\n" : "=r"(result.x), "=r"(result.y) : "r"(a.x), "r"(a.y), "r"(b.x), "r"(b.y));
return result;
#else
return vectorize(devectorize(a) - devectorize(b)); return vectorize(devectorize(a) - devectorize(b));
#endif
} }
static __device__ __forceinline__ void operator-= (uint2 &a, uint2 b) { a = a - b; } static __device__ __forceinline__ void operator-= (uint2 &a, uint2 b) { a = a - b; }