Re: Question about simple_return pattern for the GCC ARM backend.

2013-12-30 Thread Ramana Radhakrishnan
On Mon, Dec 30, 2013 at 3:23 AM, Yangfei (Felix) felix.y...@huawei.com wrote: Thanks for the reply. I found it in GCC-4.8. The gcc version I look at is GCC-4.7. Seems this pattern is not there for this version. That will be because this was added in time for GCC 4.8. If you need to find such

Re: Question about simple_return pattern for the GCC ARM backend.

2013-12-29 Thread Yangfei (Felix)
Thanks for the reply. I found it in GCC-4.8. The gcc version I look at is GCC-4.7. Seems this pattern is not there for this version. On 2013/12/28 09:31 AM, Yangfei (Felix) wrote: Hi, I think that simple_return standard pattern is useful for the ARM. I mean it should be good for

Re: Question about simple_return pattern for the GCC ARM backend.

2013-12-28 Thread Chung-Lin Tang
On 2013/12/28 09:31 AM, Yangfei (Felix) wrote: Hi, I think that simple_return standard pattern is useful for the ARM. I mean it should be good for target code performance. 　But seems this pattern is not there for the GCC ARM backend. Can anyone explain the reason why we don’t need