diff options
Diffstat (limited to 'arch/arm/lib/bitops.h')
| -rw-r--r-- | arch/arm/lib/bitops.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index 6976e60e47cb..2036ff15bda9 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h | |||
| @@ -7,7 +7,7 @@ | |||
| 7 | 1: ldrexb r2, [r1] | 7 | 1: ldrexb r2, [r1] |
| 8 | \instr r2, r2, r3 | 8 | \instr r2, r2, r3 |
| 9 | strexb r0, r2, [r1] | 9 | strexb r0, r2, [r1] |
| 10 | cmpne r0, #0 | 10 | cmp r0, #0 |
| 11 | bne 1b | 11 | bne 1b |
| 12 | mov pc, lr | 12 | mov pc, lr |
| 13 | .endm | 13 | .endm |
| @@ -19,9 +19,9 @@ | |||
| 19 | mov r3, r2, lsl r3 @ create mask | 19 | mov r3, r2, lsl r3 @ create mask |
| 20 | 1: ldrexb r2, [r1] | 20 | 1: ldrexb r2, [r1] |
| 21 | ands r0, r2, r3 @ save old value of bit | 21 | ands r0, r2, r3 @ save old value of bit |
| 22 | \instr ip, r2, r3 @ toggle bit | 22 | \instr r2, r2, r3 @ toggle bit |
| 23 | strexb r2, ip, [r1] | 23 | strexb ip, r2, [r1] |
| 24 | cmp r2, #0 | 24 | cmp ip, #0 |
| 25 | bne 1b | 25 | bne 1b |
| 26 | cmp r0, #0 | 26 | cmp r0, #0 |
| 27 | movne r0, #1 | 27 | movne r0, #1 |