Merge branch 'btrfs-3.0' of git://github.com/chrismason/linux

[~andy/linux] / arch / powerpc / include / asm / ppc_asm.h

diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 1b422381fc16f806568b2c185e57dd42a4939fb3..368f72f798087b331b31300c9c9f2aa5dec50588 100644 (file)
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -150,18 +150,22 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
 #define REST_16VSRSU(n,b,base) REST_8VSRSU(n,b,base); REST_8VSRSU(n+8,b,base)
 #define REST_32VSRSU(n,b,base) REST_16VSRSU(n,b,base); REST_16VSRSU(n+16,b,base)
 
-#define SAVE_EVR(n,s,base)     evmergehi s,s,n; stw s,THREAD_EVR0+4*(n)(base)
-#define SAVE_2EVRS(n,s,base)   SAVE_EVR(n,s,base); SAVE_EVR(n+1,s,base)
-#define SAVE_4EVRS(n,s,base)   SAVE_2EVRS(n,s,base); SAVE_2EVRS(n+2,s,base)
-#define SAVE_8EVRS(n,s,base)   SAVE_4EVRS(n,s,base); SAVE_4EVRS(n+4,s,base)
-#define SAVE_16EVRS(n,s,base)  SAVE_8EVRS(n,s,base); SAVE_8EVRS(n+8,s,base)
-#define SAVE_32EVRS(n,s,base)  SAVE_16EVRS(n,s,base); SAVE_16EVRS(n+16,s,base)
-#define REST_EVR(n,s,base)     lwz s,THREAD_EVR0+4*(n)(base); evmergelo n,s,n
-#define REST_2EVRS(n,s,base)   REST_EVR(n,s,base); REST_EVR(n+1,s,base)
-#define REST_4EVRS(n,s,base)   REST_2EVRS(n,s,base); REST_2EVRS(n+2,s,base)
-#define REST_8EVRS(n,s,base)   REST_4EVRS(n,s,base); REST_4EVRS(n+4,s,base)
-#define REST_16EVRS(n,s,base)  REST_8EVRS(n,s,base); REST_8EVRS(n+8,s,base)
-#define REST_32EVRS(n,s,base)  REST_16EVRS(n,s,base); REST_16EVRS(n+16,s,base)
+/*
+ * b = base register for addressing, o = base offset from register of 1st EVR
+ * n = first EVR, s = scratch
+ */
+#define SAVE_EVR(n,s,b,o)      evmergehi s,s,n; stw s,o+4*(n)(b)
+#define SAVE_2EVRS(n,s,b,o)    SAVE_EVR(n,s,b,o); SAVE_EVR(n+1,s,b,o)
+#define SAVE_4EVRS(n,s,b,o)    SAVE_2EVRS(n,s,b,o); SAVE_2EVRS(n+2,s,b,o)
+#define SAVE_8EVRS(n,s,b,o)    SAVE_4EVRS(n,s,b,o); SAVE_4EVRS(n+4,s,b,o)
+#define SAVE_16EVRS(n,s,b,o)   SAVE_8EVRS(n,s,b,o); SAVE_8EVRS(n+8,s,b,o)
+#define SAVE_32EVRS(n,s,b,o)   SAVE_16EVRS(n,s,b,o); SAVE_16EVRS(n+16,s,b,o)
+#define REST_EVR(n,s,b,o)      lwz s,o+4*(n)(b); evmergelo n,s,n
+#define REST_2EVRS(n,s,b,o)    REST_EVR(n,s,b,o); REST_EVR(n+1,s,b,o)
+#define REST_4EVRS(n,s,b,o)    REST_2EVRS(n,s,b,o); REST_2EVRS(n+2,s,b,o)
+#define REST_8EVRS(n,s,b,o)    REST_4EVRS(n,s,b,o); REST_4EVRS(n+4,s,b,o)
+#define REST_16EVRS(n,s,b,o)   REST_8EVRS(n,s,b,o); REST_8EVRS(n+8,s,b,o)
+#define REST_32EVRS(n,s,b,o)   REST_16EVRS(n,s,b,o); REST_16EVRS(n+16,s,b,o)
 
 /* Macros to adjust thread priority for hardware multithreading */
 #define HMT_VERY_LOW   or      31,31,31        # very low priority