Author: avg
Date: Fri Feb 14 15:18:37 2014
New Revision: 261891
URL: http://svnweb.freebsd.org/changeset/base/261891
Log:
provide fast versions of ffsl and flsl for i386; ffsll and flsll for amd64
Reviewed by: jhb
MFC after: 10 days
X-MFC note: consider thirdparty modules depending on these symbols
Sponsored by: HybridCluster
Modified:
head/sys/amd64/include/cpufunc.h
head/sys/conf/files
head/sys/conf/files.arm
head/sys/conf/files.i386
head/sys/conf/files.ia64
head/sys/conf/files.mips
head/sys/conf/files.pc98
head/sys/conf/files.powerpc
head/sys/conf/files.sparc64
head/sys/i386/include/cpufunc.h
Modified: head/sys/amd64/include/cpufunc.h
==============================================================================
--- head/sys/amd64/include/cpufunc.h Fri Feb 14 15:03:55 2014
(r261890)
+++ head/sys/amd64/include/cpufunc.h Fri Feb 14 15:18:37 2014
(r261891)
@@ -154,6 +154,14 @@ ffsl(long mask)
return (mask == 0 ? mask : (int)bsfq((u_long)mask) + 1);
}
+#define HAVE_INLINE_FFSLL
+
+static __inline int
+ffsll(long long mask)
+{
+ return (ffsl((long)mask));
+}
+
#define HAVE_INLINE_FLS
static __inline int
@@ -170,6 +178,14 @@ flsl(long mask)
return (mask == 0 ? mask : (int)bsrq((u_long)mask) + 1);
}
+#define HAVE_INLINE_FLSLL
+
+static __inline int
+flsll(long long mask)
+{
+ return (flsl((long)mask));
+}
+
#endif /* _KERNEL */
static __inline void
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files Fri Feb 14 15:18:37 2014 (r261891)
@@ -3025,7 +3025,6 @@ libkern/arc4random.c standard
libkern/bcd.c standard
libkern/bsearch.c standard
libkern/crc32.c standard
-libkern/flsll.c standard
libkern/fnmatch.c standard
libkern/iconv.c optional libiconv
libkern/iconv_converter_if.m optional libiconv
Modified: head/sys/conf/files.arm
==============================================================================
--- head/sys/conf/files.arm Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files.arm Fri Feb 14 15:18:37 2014 (r261891)
@@ -89,6 +89,7 @@ libkern/divdi3.c standard
libkern/ffsl.c standard
libkern/fls.c standard
libkern/flsl.c standard
+libkern/flsll.c standard
libkern/lshrdi3.c standard
libkern/moddi3.c standard
libkern/qdivrem.c standard
Modified: head/sys/conf/files.i386
==============================================================================
--- head/sys/conf/files.i386 Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files.i386 Fri Feb 14 15:18:37 2014 (r261891)
@@ -536,8 +536,7 @@ kern/kern_clocksource.c standard
kern/imgact_aout.c optional compat_aout
kern/imgact_gzip.c optional gzip
libkern/divdi3.c standard
-libkern/ffsl.c standard
-libkern/flsl.c standard
+libkern/flsll.c standard
libkern/memmove.c standard
libkern/memset.c standard
libkern/moddi3.c standard
Modified: head/sys/conf/files.ia64
==============================================================================
--- head/sys/conf/files.ia64 Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files.ia64 Fri Feb 14 15:18:37 2014 (r261891)
@@ -120,6 +120,7 @@ libkern/bcmp.c standard
libkern/ffsl.c standard
libkern/fls.c standard
libkern/flsl.c standard
+libkern/flsll.c standard
libkern/ia64/__divdi3.S standard
libkern/ia64/__divsi3.S standard
libkern/ia64/__moddi3.S standard
Modified: head/sys/conf/files.mips
==============================================================================
--- head/sys/conf/files.mips Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files.mips Fri Feb 14 15:18:37 2014 (r261891)
@@ -56,6 +56,7 @@ kern/subr_dummy_vdso_tc.c standard
libkern/ffsl.c standard
libkern/fls.c standard
libkern/flsl.c standard
+libkern/flsll.c standard
libkern/memmove.c standard
libkern/cmpdi2.c optional mips | mipsel
libkern/ucmpdi2.c optional mips | mipsel
Modified: head/sys/conf/files.pc98
==============================================================================
--- head/sys/conf/files.pc98 Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files.pc98 Fri Feb 14 15:18:37 2014 (r261891)
@@ -208,8 +208,7 @@ kern/kern_clocksource.c standard
kern/imgact_aout.c optional compat_aout
kern/imgact_gzip.c optional gzip
libkern/divdi3.c standard
-libkern/ffsl.c standard
-libkern/flsl.c standard
+libkern/flsll.c standard
libkern/memmove.c standard
libkern/memset.c standard
libkern/moddi3.c standard
Modified: head/sys/conf/files.powerpc
==============================================================================
--- head/sys/conf/files.powerpc Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files.powerpc Fri Feb 14 15:18:37 2014 (r261891)
@@ -80,6 +80,7 @@ libkern/ffs.c standard
libkern/ffsl.c standard
libkern/fls.c standard
libkern/flsl.c standard
+libkern/flsll.c standard
libkern/lshrdi3.c optional powerpc
libkern/memmove.c standard
libkern/memset.c standard
Modified: head/sys/conf/files.sparc64
==============================================================================
--- head/sys/conf/files.sparc64 Fri Feb 14 15:03:55 2014 (r261890)
+++ head/sys/conf/files.sparc64 Fri Feb 14 15:18:37 2014 (r261891)
@@ -68,6 +68,7 @@ libkern/ffs.c standard
libkern/ffsl.c standard
libkern/fls.c standard
libkern/flsl.c standard
+libkern/flsll.c standard
libkern/memmove.c standard
sparc64/central/central.c optional central
sparc64/ebus/ebus.c optional ebus
Modified: head/sys/i386/include/cpufunc.h
==============================================================================
--- head/sys/i386/include/cpufunc.h Fri Feb 14 15:03:55 2014
(r261890)
+++ head/sys/i386/include/cpufunc.h Fri Feb 14 15:18:37 2014
(r261891)
@@ -184,6 +184,14 @@ ffs(int mask)
return (mask == 0 ? mask : (int)bsfl((u_int)mask) + 1);
}
+#define HAVE_INLINE_FFSL
+
+static __inline int
+ffsl(long mask)
+{
+ return (ffs((int)mask));
+}
+
#define HAVE_INLINE_FLS
static __inline int
@@ -192,6 +200,14 @@ fls(int mask)
return (mask == 0 ? mask : (int)bsrl((u_int)mask) + 1);
}
+#define HAVE_INLINE_FLSL
+
+static __inline int
+flsl(long mask)
+{
+ return (fls((int)mask));
+}
+
#endif /* _KERNEL */
static __inline void
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