Ping^3 : [PATCH] [gcc, combine] PR46164: Don't combine the insns if a volatile register is contained.

[Segher Boessenkool]

On Wed, Apr 22, 2015 at 10:21:43AM +0800, Terry Guo wrote:
> gcc/ChangeLog:
> 2015-04-22 Hale Wang <hale.wang@arm.com>
>                     Terry Guo  <terry.guo@arm.com>
> 
>        PR rtl-optimization/64818
>        * combine.c (can_combine_p): Don't combine user-specified register if
>        it is in an asm input.
> 
> gcc/testsuite/ChangeLog:
> 2015-04-22 Hale Wang <hale.wang@arm.com>
>                     Terry Guo  <terry.guo@arm.com>
> 
>        PR rtl-optimization/64818
>        * gcc.target/arm/pr64818.c: New.

This is okay for trunk, if it has been bootstrapped and regression tested.

Thanks,


Segher