mirror of https://gitee.com/openkylin/linux.git
ARM: 6653/1: bitops: Use BX instead of MOV PC,LR
The kernel doesn't officially need to interwork, but using BX wherever appropriate will help educate people into good assembler coding habits. BX is appropriate here because this code is predicated on __LINUX_ARM_ARCH__ >= 6 Signed-off-by: Dave Martin <dave.martin@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
parent
917692f5f7
commit
3ba6e69ad8
|
@ -12,7 +12,7 @@
|
|||
strex r0, r2, [r1]
|
||||
cmp r0, #0
|
||||
bne 1b
|
||||
mov pc, lr
|
||||
bx lr
|
||||
.endm
|
||||
|
||||
.macro testop, instr, store
|
||||
|
@ -33,7 +33,7 @@
|
|||
smp_dmb
|
||||
cmp r0, #0
|
||||
movne r0, #1
|
||||
2: mov pc, lr
|
||||
2: bx lr
|
||||
.endm
|
||||
#else
|
||||
.macro bitop, instr
|
||||
|
|
Loading…
Reference in New Issue