blob: f3908a2589ec31918982e4c1a9da2f9e947a4a9d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
/* Copyright (c) 2016 Cryptography Research, Inc.
* Released under the MIT License. See LICENSE.txt for license information.
*/
#ifndef __ARCH_ARCH_32_ARCH_INTRINSICS_H__
#define __ARCH_ARCH_32_ARCH_INTRINSICS_H__
#define ARCH_WORD_BITS 32
static __inline__ __attribute((always_inline,unused))
uint32_t word_is_zero(uint32_t a) {
/* let's hope the compiler isn't clever enough to optimize this. */
return (((uint64_t)a)-1)>>32;
}
static __inline__ __attribute((always_inline,unused))
uint64_t widemul(uint32_t a, uint32_t b) {
return ((uint64_t)a) * b;
}
#endif /* __ARCH_ARM_32_ARCH_INTRINSICS_H__ */
|
