diff options
Diffstat (limited to 'libcpu/arm/cortex-m3')
| -rw-r--r-- | libcpu/arm/cortex-m3/cpuport.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libcpu/arm/cortex-m3/cpuport.c b/libcpu/arm/cortex-m3/cpuport.c index 60757d6b3d..c96073a6a9 100644 --- a/libcpu/arm/cortex-m3/cpuport.c +++ b/libcpu/arm/cortex-m3/cpuport.c @@ -162,28 +162,28 @@ void rt_hw_cpu_shutdown(void) #if defined(__CC_ARM) __asm int __rt_ffs(int value) { - CMP r0, #0x00 - BEQ exit - RBIT r0, r0 - CLZ r0, r0 - ADDS r0, r0, #0x01 + CMP r0, #0x00 + BEQ exit + RBIT r0, r0 + CLZ r0, r0 + ADDS r0, r0, #0x01 exit - BX lr + BX lr } #elif defined(__IAR_SYSTEMS_ICC__) int __rt_ffs(int value) { - if (value == 0) return value; - - __ASM("RBIT r0, r0"); - __ASM("CLZ r0, r0"); - __ASM("ADDS r0, r0, #0x01"); + if (value == 0) return value; + + __ASM("RBIT r0, r0"); + __ASM("CLZ r0, r0"); + __ASM("ADDS r0, r0, #0x01"); } #elif defined(__GNUC__) int __rt_ffs(int value) { - return __builtin_ffs(value); + return __builtin_ffs(value); } #endif |