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) 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 information as to w

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

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

Question about simple_return pattern for the GCC ARM backend.

2013-12-27 Thread Yangfei (Felix)
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 this? Cheers, Fei