xnu-201.19.tar.gz

[apple/xnu.git] / libkern / ppc / OSAtomic.s

diff --git a/libkern/ppc/OSAtomic.s b/libkern/ppc/OSAtomic.s
index 39481085db98673826604017716b0d9e5a14a64d..a2aeb032d7c9803edf0b1090a3140e568dd668bd 100644 (file)
--- a/libkern/ppc/OSAtomic.s
+++ b/libkern/ppc/OSAtomic.s
@@ -55,8 +55,6 @@ int OSCompareAndSwap( UInt32 oldVal, UInt32 newVal, UInt32 * addr )
 
 
        ENTRY   _OSCompareAndSwap
 
 
        ENTRY   _OSCompareAndSwap

-
-       lwarx   r6,     0,r5            /* CEMV10 */

 .L_CASretry:
        lwarx   r6,     0,r5
        cmpw    r6,     r3
 .L_CASretry:
        lwarx   r6,     0,r5
        cmpw    r6,     r3


@@ -94,14 +92,9 @@ SInt32       OSAddAtomic(SInt32 amount, SInt32 * value)
        ENTRY   _OSAddAtomic
 
        mr      r5,r3                           /* Save the increment */
        ENTRY   _OSAddAtomic
 
        mr      r5,r3                           /* Save the increment */

-       lwarx   r3,0,r4                         /* CEMV10 */
-

 .L_AAretry:
        lwarx   r3, 0, r4                       /* Grab the area value */
        add     r6, r3, r5                      /* Add the value */
        stwcx.  r6, 0, r4                       /* Try to save the new value */
        bne-    .L_AAretry                      /* Didn't get it, try again... */
        blr                                     /* Return the original value */
 .L_AAretry:
        lwarx   r3, 0, r4                       /* Grab the area value */
        add     r6, r3, r5                      /* Add the value */
        stwcx.  r6, 0, r4                       /* Try to save the new value */
        bne-    .L_AAretry                      /* Didn't get it, try again... */
        blr                                     /* Return the original value */

-
-
-