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| author | Vineet Gupta <vgupta@synopsys.com> | 2015-02-11 18:37:43 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2019-10-28 12:12:32 -0700 |
| commit | 0fb1f35ed9cc2115a88cc73a02e56d288bf2aa8f (patch) | |
| tree | 71099784d49368fc03c37ac966bfcc1bb25ce636 /arch/arc | |
| parent | cfd9d70a855edf6adb37d0ed88be9e35274dbe49 (diff) | |
| download | linux-0fb1f35ed9cc2115a88cc73a02e56d288bf2aa8f.tar.gz | |
ARCv2: mm: TLB Miss optim: Use double world load/stores LDD/STD
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/mm/tlbex.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S index d6fbdeda400a..110c72536e8b 100644 --- a/arch/arc/mm/tlbex.S +++ b/arch/arc/mm/tlbex.S @@ -122,17 +122,27 @@ ex_saved_reg1: #else /* ARCv2 */ .macro TLBMISS_FREEUP_REGS +#ifdef CONFIG_ARC_HAS_LL64 + std r0, [sp, -16] + std r2, [sp, -8] +#else PUSH r0 PUSH r1 PUSH r2 PUSH r3 +#endif .endm .macro TLBMISS_RESTORE_REGS +#ifdef CONFIG_ARC_HAS_LL64 + ldd r0, [sp, -16] + ldd r2, [sp, -8] +#else POP r3 POP r2 POP r1 POP r0 +#endif .endm #endif |