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| author | David Mosberger-Tang <davidm@hpl.hp.com> | 2005-04-27 21:13:33 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-04-27 21:13:33 -0700 |
| commit | 9ec1a7ad434fa951ff845dbee3397cf6ad4f76df (patch) | |
| tree | 05e8a156ccd42bfbed3293b386f0e4d905d04a88 | |
| parent | 06ef66081620e94fe35a518f98624b83a140096e (diff) | |
| download | op-kernel-dev-9ec1a7ad434fa951ff845dbee3397cf6ad4f76df.zip op-kernel-dev-9ec1a7ad434fa951ff845dbee3397cf6ad4f76df.tar.gz | |
[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 <davidm@hpl.hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
| -rw-r--r-- | arch/ia64/kernel/entry.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 5b469db..c0f2833 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1012,14 +1012,14 @@ rse_clear_invalid: 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 |
