Re: [ping][patch, ARM] Fix PR42017, LR not used in leaf functions

2013-05-15 Thread Chung-Lin Tang
On 13/5/15 9:43 PM, Kugan wrote: > On 14/05/13 19:18, Ramana Radhakrishnan wrote: >> On 05/13/13 04:15, Kugan wrote: >>> Hi, >>> >>> Ping this patch by Chung-Lin. >>> http://gcc.gnu.org/ml/gcc-patches/2011-05/msg01179.html >>> >>> This patch allows lr registers to be used in leaf functions for ARM.

Re: [ping][patch, ARM] Fix PR42017, LR not used in leaf functions

2013-05-15 Thread Kugan
On 14/05/13 19:18, Ramana Radhakrishnan wrote: On 05/13/13 04:15, Kugan wrote: Hi, Ping this patch by Chung-Lin. http://gcc.gnu.org/ml/gcc-patches/2011-05/msg01179.html This patch allows lr registers to be used in leaf functions for ARM. There were some concerns about performance regression i

Re: [ping][patch, ARM] Fix PR42017, LR not used in leaf functions

2013-05-14 Thread Kugan
On 14/05/13 00:24, Chung-Lin Tang wrote: On 13/5/13 11:15 AM, Kugan wrote: Hi, Ping this patch by Chung-Lin. http://gcc.gnu.org/ml/gcc-patches/2011-05/msg01179.html This patch allows lr registers to be used in leaf functions for ARM. There were some concerns about performance regression in th

Re: [ping][patch, ARM] Fix PR42017, LR not used in leaf functions

2013-05-14 Thread Ramana Radhakrishnan
On 05/13/13 04:15, Kugan wrote: Hi, Ping this patch by Chung-Lin. http://gcc.gnu.org/ml/gcc-patches/2011-05/msg01179.html This patch allows lr registers to be used in leaf functions for ARM. There were some concerns about performance regression in thumb2 mode for CoreMark. However, looking at

Re: [ping][patch, ARM] Fix PR42017, LR not used in leaf functions

2013-05-13 Thread Chung-Lin Tang
On 13/5/13 11:15 AM, Kugan wrote: > Hi, > > Ping this patch by Chung-Lin. > http://gcc.gnu.org/ml/gcc-patches/2011-05/msg01179.html > > This patch allows lr registers to be used in leaf functions for ARM. > > There were some concerns about performance regression in thumb2 mode for > CoreMark. Ho