Re: Question about usage of r12 (ip) on ARM

2016-08-29 Thread Fredrik Hederstierna
>> Couldn't this be compiled to as the following, with using r12 'ip': >> >> : >> 0: push {r4, lr} >> 4: mov r4, r0 >> 8: ldr ip, [r0] >> c: bl 0 >> 10: str ip, [r4] >> 14: pop {r4, pc} >> > >No. IP cna be clobbered either by func i

Re: Question about usage of r12 (ip) on ARM

2016-08-29 Thread Richard Earnshaw (lists)
On 29/08/16 08:52, Fredrik Hederstierna wrote: > >>> Couldn't this be compiled to as the following, with using r12 'ip': >>> >>> : >>> 0: push {r4, lr} >>> 4: mov r4, r0 >>> 8: ldr ip, [r0] >>> c: bl 0 >>> 10: str ip, [r4] >>> 14: pop