diff options
Diffstat (limited to 'sysdeps/alpha/strlen.c')
| -rw-r--r-- | sysdeps/alpha/strlen.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sysdeps/alpha/strlen.c b/sysdeps/alpha/strlen.c index d7744476ad..36f106c9c3 100644 --- a/sysdeps/alpha/strlen.c +++ b/sysdeps/alpha/strlen.c @@ -36,19 +36,20 @@ strlen (const char *str) for (;;) { + const unsigned long int longword = *longword_ptr++; int mask; - asm ("cmpbge %1, %2, %0" : "=r" (mask) : "r" (0), "r" (*longword_ptr++)); + + /* Set bits in MASK if bytes in LONGWORD are zero. */ + asm ("cmpbge $31, %1, %0" : "=r" (mask) : "r" (longword)); if (mask) { /* Which of the bytes was the zero? */ - const char *cp = (const char *) (longword_ptr - 1); int i; - for (i = 0; i < 6; i++) + for (i = 0; i < 8; i++) if (cp[i] == 0) return cp - str + i; - return cp - str + 7; } } } |