Re: [PATCH] x86-64: Use R10 and R11 for profiling large model with PIC

2021-01-08 Thread H.J. Lu via Gcc-patches
On Fri, Jan 8, 2021 at 6:31 AM Uros Bizjak wrote: > > On Fri, Jan 8, 2021 at 2:28 PM H.J. Lu wrote: > > > > On Fri, Jan 8, 2021 at 4:50 AM H.J. Lu wrote: > > > > > > On Fri, Jan 8, 2021 at 1:24 AM Uros Bizjak wrote: > > > > > > > > > Since R10 is preserved when calling mcount, R10 can be used a

Re: [PATCH] x86-64: Use R10 and R11 for profiling large model with PIC

2021-01-08 Thread Uros Bizjak via Gcc-patches
On Fri, Jan 8, 2021 at 2:28 PM H.J. Lu wrote: > > On Fri, Jan 8, 2021 at 4:50 AM H.J. Lu wrote: > > > > On Fri, Jan 8, 2021 at 1:24 AM Uros Bizjak wrote: > > > > > > > Since R10 is preserved when calling mcount, R10 can be used a scratch > > > > register to call mcount in large model. > > > > >