X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/b5d655f7532a546b54809da387f7467d128a756b..5f4d86c1219d56604890d932a3152b3b5dd15b55:/ppc/sys/OSAtomic.s

diff --git a/ppc/sys/OSAtomic.s b/ppc/sys/OSAtomic.s
index 24858e9..8ce3cd1 100644
--- a/ppc/sys/OSAtomic.s
+++ b/ppc/sys/OSAtomic.s
@@ -36,8 +36,19 @@
 
 /* int32_t	OSAtomicAdd32( int32_t theAmount, int32_t *theValue ); */
 
+#if defined(__ppc__)
 MI_ENTRY_POINT(_OSAtomicAdd32)
     ba      _COMM_PAGE_ATOMIC_ADD32
+#elif defined(__ppc64__)
+MI_ENTRY_POINT(_OSAtomicAdd32)
+    mflr    r12			// save return address
+    bla	    _COMM_PAGE_ATOMIC_ADD32
+    mtlr    r12
+    extsw   r3,r3		// sign extend return value
+    blr
+#else
+#error undefined architecture
+#endif
 
 
 /* int32_t	OSAtomicOr32( int32_t theMask, int32_t *theValue ); */
@@ -240,7 +251,13 @@ MI_ENTRY_POINT(_OSAtomicAdd32Barrier)
     cmpwi   r3,0                // did swap occur?
     beq--   1b                  // compare-and-swap failed, try again
     mtlr    r12                 // restore return adddress
+#if defined(__ppc__)
     mr      r3,r4               // return new value
+#elif defined(__ppc64__)
+    extsw   r3,r4		// sign extend return value
+#else
+#error undefined architecture
+#endif
     blr