diff options
Diffstat (limited to 'gmon/mcount.c')
| -rw-r--r-- | gmon/mcount.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gmon/mcount.c b/gmon/mcount.c index ea60afcfb2..4d3097fd18 100644 --- a/gmon/mcount.c +++ b/gmon/mcount.c @@ -34,6 +34,7 @@ #if !defined(lint) && !defined(KERNEL) && defined(LIBC_SCCS) static char sccsid[] = "@(#)mcount.c 8.1 (Berkeley) 6/4/93"; #endif + int i; #include <sys/param.h> #include <sys/gmon.h> @@ -67,6 +68,7 @@ _MCOUNT_DECL(frompc, selfpc) /* _mcount; may be static, inline, etc */ #ifdef KERNEL register int s; #endif + int i; p = &_gmonparam; /* @@ -89,7 +91,13 @@ _MCOUNT_DECL(frompc, selfpc) /* _mcount; may be static, inline, etc */ if (frompc > p->textsize) goto done; - frompcindex = &p->froms[frompc / (p->hashfraction * sizeof(*p->froms))]; + /* avoid integer divide if possible: */ + if (p->log_hashfraction >= 0) { + i = frompc >> p->log_hashfraction; + } else { + i = frompc / (p->hashfraction * sizeof(*p->froms)); + } + frompcindex = &p->froms[i]; toindex = *frompcindex; if (toindex == 0) { /* |