From: Michal Simek <monstr@monstr.eu>
Date: Tue, 22 Jun 2010 15:52:47 +0000 (+0200)
Subject: microblaze: entry.S: Macro optimization
X-Git-Tag: v2.6.36-rc1~560^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=66f7de8634b39fb685556419fc12522e96990d32;p=karo-tx-linux.git

microblaze: entry.S: Macro optimization

We are not working with values from MSR that's why
we can discard it and use r11 for different purpose without
saving/restoring.

Signed-off-by: Michal Simek <monstr@monstr.eu>
---

diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index ff8d9872c774..16cb4f1d2338 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -48,56 +48,56 @@
  */
 #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
 	.macro	clear_bip
-	msrclr	r11, MSR_BIP
+	msrclr	r0, MSR_BIP
 	nop
 	.endm
 
 	.macro	set_bip
-	msrset	r11, MSR_BIP
+	msrset	r0, MSR_BIP
 	nop
 	.endm
 
 	.macro	clear_eip
-	msrclr	r11, MSR_EIP
+	msrclr	r0, MSR_EIP
 	nop
 	.endm
 
 	.macro	set_ee
-	msrset	r11, MSR_EE
+	msrset	r0, MSR_EE
 	nop
 	.endm
 
 	.macro	disable_irq
-	msrclr	r11, MSR_IE
+	msrclr	r0, MSR_IE
 	nop
 	.endm
 
 	.macro	enable_irq
-	msrset	r11, MSR_IE
+	msrset	r0, MSR_IE
 	nop
 	.endm
 
 	.macro	set_ums
-	msrset	r11, MSR_UMS
+	msrset	r0, MSR_UMS
 	nop
-	msrclr	r11, MSR_VMS
+	msrclr	r0, MSR_VMS
 	nop
 	.endm
 
 	.macro	set_vms
-	msrclr	r11, MSR_UMS
+	msrclr	r0, MSR_UMS
 	nop
-	msrset	r11, MSR_VMS
+	msrset	r0, MSR_VMS
 	nop
 	.endm
 
 	.macro	clear_ums
-	msrclr	r11, MSR_UMS
+	msrclr	r0, MSR_UMS
 	nop
 	.endm
 
 	.macro	clear_vms_ums
-	msrclr	r11, MSR_VMS | MSR_UMS
+	msrclr	r0, MSR_VMS | MSR_UMS
 	nop
 	.endm
 #else