[PATCH] ARM: bitops
Convert ARM bitop assembly to a macro. All bitops follow the same
format, so it's silly duplicating the code when only one or two
instructions are different.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
diff --git a/arch/arm/lib/testclearbit.S b/arch/arm/lib/testclearbit.S
index e07c5bd..2dcc4b1 100644
--- a/arch/arm/lib/testclearbit.S
+++ b/arch/arm/lib/testclearbit.S
@@ -9,21 +9,10 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
+#include "bitops.h"
.text
ENTRY(_test_and_clear_bit_be)
eor r0, r0, #0x18 @ big endian byte ordering
ENTRY(_test_and_clear_bit_le)
- add r1, r1, r0, lsr #3 @ Get byte offset
- and r3, r0, #7 @ Get bit offset
- mov r0, #1
- save_and_disable_irqs ip, r2
- ldrb r2, [r1]
- tst r2, r0, lsl r3
- bic r2, r2, r0, lsl r3
- strb r2, [r1]
- restore_irqs ip
- moveq r0, #0
- RETINSTR(mov,pc,lr)
-
-
+ testop bicne, strneb