From: Magnus Damm <damm@opensource.se>
Date: Mon, 8 Feb 2010 10:53:13 +0000 (+0000)
Subject: ARM: mach-shmobile: optimize get_irqnr_preamble/and_base macros
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=62f60d6a37910501814c6281e6c21b485434a7f1;p=deliverable%2Flinux.git

ARM: mach-shmobile: optimize get_irqnr_preamble/and_base macros

Optimize the SH-Mobile interrupt assembly macros to avoid
reloading the INTFLGA register address in case of multiple
pending interrupts. Kindly pointed out by Russell King.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S
index 796b304050cc..a285d13c7416 100644
--- a/arch/arm/mach-shmobile/include/mach/entry-macro.S
+++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S
@@ -21,13 +21,13 @@
 	.endm
 
 	.macro  get_irqnr_preamble, base, tmp
+	ldr     \base, =INTFLGA
 	.endm
 
 	.macro  arch_ret_to_user, tmp1, tmp2
 	.endm
 
 	.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
-	ldr     \base, =INTFLGA
 	ldr     \irqnr, [\base]
 	cmp	\irqnr, #0
 	beq	1000f