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/* Copyright (c) 2016 Cryptography Research, Inc.
* Released under the MIT License. See LICENSE.txt for license information.
*/
#ifndef __ARCH_REF64_ARCH_INTRINSICS_H__
#define __ARCH_REF64_ARCH_INTRINSICS_H__
#define ARCH_WORD_BITS 64
static __inline__ __attribute((always_inline,unused))
uint64_t word_is_zero(uint64_t a) {
/* let's hope the compiler isn't clever enough to optimize this. */
return (((__uint128_t)a)-1)>>64;
}
static __inline__ __attribute((always_inline,unused))
__uint128_t widemul(uint64_t a, uint64_t b) {
return ((__uint128_t)a) * b;
}
#endif /* ARCH_REF64_ARCH_INTRINSICS_H__ */
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