From: Vineet Gupta <vgupta@synopsys.com>
Date: Wed, 11 Feb 2015 13:07:43 +0000 (+0530)
Subject: ARCv2: mm: TLB Miss optim: Use double world load/stores LDD/STD
X-Git-Tag: v5.5-rc1~46^2~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0fb1f35ed9cc2115a88cc73a02e56d288bf2aa8f;p=thirdparty%2Fkernel%2Flinux.git

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

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---

diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S
index d6fbdeda400ad..110c72536e8b5 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