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

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

2013-05-12 Thread Kugan
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 the code further shows that this