diff options
Diffstat (limited to 'arch/tile/lib/memchr_64.c')
| -rw-r--r-- | arch/tile/lib/memchr_64.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/tile/lib/memchr_64.c b/arch/tile/lib/memchr_64.c index 84fdc8d8e73..6f867dbf7c5 100644 --- a/arch/tile/lib/memchr_64.c +++ b/arch/tile/lib/memchr_64.c @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/module.h> +#include "string-endian.h" void *memchr(const void *s, int c, size_t n) { @@ -39,11 +40,8 @@ void *memchr(const void *s, int c, size_t n) /* Read the first word, but munge it so that bytes before the array * will not match goal. - * - * Note that this shift count expression works because we know - * shift counts are taken mod 64. */ - before_mask = (1ULL << (s_int << 3)) - 1; + before_mask = MASK(s_int); v = (*p | before_mask) ^ (goal & before_mask); /* Compute the address of the last byte. */ @@ -65,7 +63,7 @@ void *memchr(const void *s, int c, size_t n) /* We found a match, but it might be in a byte past the end * of the array. */ - ret = ((char *)p) + (__insn_ctz(bits) >> 3); + ret = ((char *)p) + (CFZ(bits) >> 3); return (ret <= last_byte_ptr) ? ret : NULL; } EXPORT_SYMBOL(memchr); |