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[ARM] 5232/1: Do not post-index STRT instruction in clear_user.S
author
Catalin Marinas
<catalin.marinas@arm.com>
Fri, 29 Aug 2008 17:31:21 +0000
(18:31 +0100)
committer
Russell King
<rmk+kernel@arm.linux.org.uk>
Mon, 1 Sep 2008 11:06:34 +0000
(12:06 +0100)
The last strnebt instruction has a post-index of 1 but the address
register is set to 0 in the next instruction, so no need for
post-indexing.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/lib/clear_user.S
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diff --git
a/arch/arm/lib/clear_user.S
b/arch/arm/lib/clear_user.S
index 81041a3f8d50e373f210d446a68701627bcc2fce..4d6bc71231f3a2da61bc2f88a6860ba18e074e59 100644
(file)
--- a/
arch/arm/lib/clear_user.S
+++ b/
arch/arm/lib/clear_user.S
@@
-41,7
+41,7
@@
USER( strplt r2, [r0], #4)
USER( strnebt r2, [r0], #1)
USER( strnebt r2, [r0], #1)
tst r1, #1 @ x1 x0 x1 x0 x1 x0 x1
-USER( strnebt r2, [r0]
, #1
)
+USER( strnebt r2, [r0])
mov r0, #0
ldmfd sp!, {r1, pc}
ENDPROC(__clear_user)