ia64/pv_ops: update native/inst.h to clobber predicate.

add CLOBBER_PRED() to clobber predicate register.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/arch/ia64/include/asm/native/inst.h b/arch/ia64/include/asm/native/inst.h
index c8efbf7b849e..0a1026cca4fa 100644
--- a/arch/ia64/include/asm/native/inst.h
+++ b/arch/ia64/include/asm/native/inst.h
@@ -36,8 +36,13 @@
         ;;                                      \
         movl clob = PARAVIRT_POISON;            \
         ;;
+# define CLOBBER_PRED(pred_clob)                \
+        ;;                                      \
+        cmp.eq pred_clob, p0 = r0, r0           \
+        ;;
 #else
-# define CLOBBER(clob)          /* nothing */
+# define CLOBBER(clob)                  /* nothing */
+# define CLOBBER_PRED(pred_clob)        /* nothing */
 #endif
 
 #define MOV_FROM_IFA(reg)       \
@@ -136,7 +141,8 @@
 
 #define SSM_PSR_I(pred, pred_clob, clob)        \
 (pred)  ssm psr.i                               \
-        CLOBBER(clob)
+        CLOBBER(clob)                           \
+        CLOBBER_PRED(pred_clob)
 
 #define RSM_PSR_I(pred, clob0, clob1)   \
 (pred)  rsm psr.i                       \