diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/primitives')
| -rw-r--r-- | tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c b/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c index d1b647509..6cae06117 100644 --- a/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c +++ b/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c @@ -25,10 +25,19 @@ #define FIXUP_SECTION ".ex_fixup" +static inline unsigned long __fls(unsigned long x); + #include "word-at-a-time.h" #include "utils.h" +static inline unsigned long __fls(unsigned long x) +{ + int lz; + + asm (PPC_CNTLZL "%0,%1" : "=r" (lz) : "r" (x)); + return sizeof(unsigned long) - 1 - lz; +} static int page_size; static char *mem_region; |