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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-17 00:51:31 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-17 00:51:31 -0400 |
| commit | a2e30e529a48ef4e106e405f91cf4ae525bb01c4 (patch) | |
| tree | 2def96ef17c0672c30f1a10287552978bf1d0b1c /arch/arm/lib/bitops.h | |
| parent | edb3366703224d5d8df573ae698ccd6b488dc743 (diff) | |
| parent | 2ad56496627630ebc99f06af5f81ca23e17e014e (diff) | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'arch/arm/lib/bitops.h')
| -rw-r--r-- | arch/arm/lib/bitops.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index 6976e60e47cb..64a988c1ad44 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h @@ -1,4 +1,6 @@ -#if __LINUX_ARM_ARCH__ >= 6 +#include <linux/config.h> + +#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_CPU_MPCORE) .macro bitop, instr mov r2, #1 and r3, r0, #7 @ Get bit offset @@ -7,7 +9,7 @@ 1: ldrexb r2, [r1] \instr r2, r2, r3 strexb r0, r2, [r1] - cmpne r0, #0 + cmp r0, #0 bne 1b mov pc, lr .endm @@ -19,9 +21,9 @@ mov r3, r2, lsl r3 @ create mask 1: ldrexb r2, [r1] ands r0, r2, r3 @ save old value of bit - \instr ip, r2, r3 @ toggle bit - strexb r2, ip, [r1] - cmp r2, #0 + \instr r2, r2, r3 @ toggle bit + strexb ip, r2, [r1] + cmp ip, #0 bne 1b cmp r0, #0 movne r0, #1 |