[PATCH]: (off 2.5.22) replacing __builtin_expect with unlikely in Alpha headers

From: Manik Raina (manik@cisco.com)
Date: Wed Jun 19 2002 - 04:09:36 EST


    This fix should remove __builtin_expect () and replace it with
unlikely () in include/asm-alpha/rwsem.h
    This should be cool since rwsem.h already includes
include/linux/compiler.h

    Files changed :

    include/asm-alpha/rwsem.h

diff -u -U 6 -r include/asm-alpha/rwsem.h /home/manik/linux-2.5.22/include/asm-alpha/rwsem.h
--- include/asm-alpha/rwsem.h Mon Jun 17 08:01:35 2002
+++ /home/manik/linux-2.5.22/include/asm-alpha/rwsem.h Wed Jun 19 14:25:03 2002
@@ -80,13 +80,13 @@
         ".subsection 2\n"
         "2: br 1b\n"
         ".previous"
         :"=&r" (oldcount), "=m" (sem->count), "=&r" (temp)
         :"Ir" (RWSEM_ACTIVE_READ_BIAS), "m" (sem->count) : "memory");
 #endif
- if (__builtin_expect(oldcount < 0, 0))
+ if (unlikely(oldcount < 0))
                 rwsem_down_read_failed(sem);
 }
 
 static inline void __down_write(struct rw_semaphore *sem)
 {
         long oldcount;
@@ -104,13 +104,13 @@
         ".subsection 2\n"
         "2: br 1b\n"
         ".previous"
         :"=&r" (oldcount), "=m" (sem->count), "=&r" (temp)
         :"Ir" (RWSEM_ACTIVE_WRITE_BIAS), "m" (sem->count) : "memory");
 #endif
- if (__builtin_expect(oldcount, 0))
+ if (unlikely(oldcount))
                 rwsem_down_write_failed(sem);
 }
 
 static inline void __up_read(struct rw_semaphore *sem)
 {
         long oldcount;
@@ -128,13 +128,13 @@
         ".subsection 2\n"
         "2: br 1b\n"
         ".previous"
         :"=&r" (oldcount), "=m" (sem->count), "=&r" (temp)
         :"Ir" (RWSEM_ACTIVE_READ_BIAS), "m" (sem->count) : "memory");
 #endif
- if (__builtin_expect(oldcount < 0, 0))
+ if (unlikely(oldcount < 0))
                 if ((int)oldcount - RWSEM_ACTIVE_READ_BIAS == 0)
                         rwsem_wake(sem);
 }
 
 static inline void __up_write(struct rw_semaphore *sem)
 {
@@ -154,13 +154,13 @@
         ".subsection 2\n"
         "2: br 1b\n"
         ".previous"
         :"=&r" (count), "=m" (sem->count), "=&r" (temp)
         :"Ir" (RWSEM_ACTIVE_WRITE_BIAS), "m" (sem->count) : "memory");
 #endif
- if (__builtin_expect(count, 0))
+ if (unlikely(count, 0))
                 if ((int)count == 0)
                         rwsem_wake(sem);
 }
 
 static inline void rwsem_atomic_add(long val, struct rw_semaphore *sem)
 {
Only in /home/manik/linux-2.5.22/include/asm-alpha/: rwsem.h~

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