#include <x86intrin.h>
#define crc32_u64 _mm_crc32_u64
+#define crc32_u32 _mm_crc32_u32
static_always_inline u32
clib_crc32c (u8 * s, int len)
{
u32 v = 0;
-#if __x86_64__
+#if defined(__x86_64__)
for (; len >= 8; len -= 8, s += 8)
v = _mm_crc32_u64 (v, *((u64 *) s));
#else
/* workaround weird GCC bug when using _mm_crc32_u32
which happens with -O2 optimization */
- volatile ("":::"memory");
+#if !defined (__i686__)
+ asm volatile ("":::"memory");
+#endif
#endif
for (; len >= 4; len -= 4, s += 4)
#define crc32_u64 __crc32cd
+#define crc32_u32 __crc32cw
static_always_inline u32
clib_crc32c (u8 * s, int len)