ia64: Use dynamic prediction for RSE-clearing branches.
This by itself is good for a 1-2 cycle speed up. Effect is bigger
when combined with the later patches.
Signed-off-by: David Mosberger-Tang <[EMAIL PROTECTED]>
===== arch/ia64/kernel/entry.S 1.83 vs edited =====
--- 1.83/arch/ia64/kernel/entry.S 2005-03-23 11:50:09 -08:00
+++ edited/arch/ia64/kernel/entry.S 2005-03-23 11:50:30 -08:00
@@ -1012,14 +1012,14 @@
mov loc5=0
mov loc6=0
mov loc7=0
-(pRecurse) br.call.sptk.few b0=rse_clear_invalid
+(pRecurse) br.call.dptk.few b0=rse_clear_invalid
;;
mov loc8=0
mov loc9=0
cmp.ne pReturn,p0=r0,in1 // if recursion count != 0, we need to
do a br.ret
mov loc10=0
mov loc11=0
-(pReturn) br.ret.sptk.many b0
+(pReturn) br.ret.dptk.many b0
#endif /* !CONFIG_ITANIUM */
# undef pRecurse
# undef pReturn
-
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