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GCC 2.95 supports __builtin_ffs(); use it.

This commit is contained in:
thorpej 2002-08-21 01:27:58 +00:00
parent 97f9d76ce8
commit c0d823519c
1 changed files with 4 additions and 2 deletions
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6
sys/lib/libkern/libkern.h
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@ -1,4 +1,4 @@
/* $NetBSD: libkern.h,v 1.40 2002/05/28 10:09:24 itojun Exp $ */
/* $NetBSD: libkern.h,v 1.41 2002/08/21 01:27:58 thorpej Exp $ */
/*-
* Copyright (c) 1992, 1993
@ -286,8 +286,10 @@ int strncmp __P((const char *, const char *, size_t));
char *strchr __P((const char *, int));
char *strrchr __P((const char *, int));
/* This exists in GCC 3.x, but we don't bother (yet). */
int ffs __P((int));
#if __GNUC_PREREQ__(2, 95)
#define ffs(x) __builtin_ffs(x)
#endif
void __assert __P((const char *, const char *, int, const char *))
__attribute__((__noreturn__));