#define VECT_SIZE 1
#endif
-#define CONCAT(a, b) a##b
+#define CONCAT(a, b) a##b
#define VTYPE(type, width) CONCAT(type, width)
#if VECT_SIZE == 1
inline u32x rotr32 (const u32x a, const u32 n)
{
- return rotate (a, 32 - n);
+ #if CUDA_ARCH < 350
+
+ u32x t;
+ u32x r;
+
+ #if VECT_SIZE == 2
+
+ asm ("\n"
+ "shl.b32 %4, %2, %6;\n"
+ "shl.b32 %5, %3, %6;\n"
+ "shr.b32 %0, %2, %7;\n"
+ "shr.b32 %1, %3, %7;\n"
+ "add.u32 %0, %0, %4;\n"
+ "add.u32 %1, %1, %5;\n"
+ : "=r"(r.s0),
+ "=r"(r.s1)
+ : "r"(a.s0),
+ "r"(a.s1),
+ "r"(t.s0),
+ "r"(t.s1),
+ "r"(32 - n),
+ "r"(n));
+
+ #elif VECT_SIZE == 4
+
+ asm ("\n"
+ "shl.b32 %8, %4, %12;\n"
+ "shl.b32 %9, %5, %12;\n"
+ "shl.b32 %10, %6, %12;\n"
+ "shl.b32 %11, %7, %12;\n"
+ "shr.b32 %0, %4, %13;\n"
+ "shr.b32 %1, %5, %13;\n"
+ "shr.b32 %2, %6, %13;\n"
+ "shr.b32 %3, %7, %13;\n"
+ "add.u32 %0, %0, %8;\n"
+ "add.u32 %1, %1, %9;\n"
+ "add.u32 %2, %2, %10;\n"
+ "add.u32 %3, %3, %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"(32 - n),
+ "r"(n));
+
+ #else
+
+ r = rotate (a, n);
+
+ #endif
+
+ return r;
+
+ #else
+
+ return rotate (a, n);
+
+ #endif
}
inline u32x rotl32 (const u32x a, const u32 n)
{
- return rotate (a, n);
+ return rotr32 (a, 32 - n);
}
inline u64x rotr64 (const u64x a, const u32 n)