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ARCv2: mm: TLB Miss optim: Use double world load/stores LDD/STD 

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2015-02-11 18:37:43 +05:30
parent cfd9d70a85
commit 0fb1f35ed9
1 changed files with 10 additions and 0 deletions
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arch/arc/mm/tlbex.S
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@ -122,17 +122,27 @@ ex_saved_reg1:
#else /* ARCv2 */ #else /* ARCv2 */
.macro TLBMISS_FREEUP_REGS .macro TLBMISS_FREEUP_REGS
#ifdef CONFIG_ARC_HAS_LL64
std r0, [sp, -16]
std r2, [sp, -8]
#else
PUSH r0 PUSH r0
PUSH r1 PUSH r1
PUSH r2 PUSH r2
PUSH r3 PUSH r3
#endif
.endm .endm
.macro TLBMISS_RESTORE_REGS .macro TLBMISS_RESTORE_REGS
#ifdef CONFIG_ARC_HAS_LL64
ldd r0, [sp, -16]
ldd r2, [sp, -8]
#else
POP r3 POP r3
POP r2 POP r2
POP r1 POP r1
POP r0 POP r0
#endif
.endm .endm
#endif #endif