Re: [PATCH v2] rs6000: Disable HTM for Power10 and later

2020-12-02 Thread Kewen.Lin via Gcc-patches
Hi Segher, on 2020/12/1 上午4:49, Segher Boessenkool wrote: > Hi! > > On Mon, Nov 30, 2020 at 06:36:30PM +0800, Kewen.Lin wrote: >> --- a/gcc/config/rs6000/rs6000-cpus.def >> +++ b/gcc/config/rs6000/rs6000-cpus.def >> @@ -51,7 +51,6 @@ >> | OPTION_MASK_CRYPTO

Re: [PATCH v2] rs6000: Disable HTM for Power10 and later

2020-11-30 Thread Segher Boessenkool
Hi! On Mon, Nov 30, 2020 at 06:36:30PM +0800, Kewen.Lin wrote: > --- a/gcc/config/rs6000/rs6000-cpus.def > +++ b/gcc/config/rs6000/rs6000-cpus.def > @@ -51,7 +51,6 @@ >| OPTION_MASK_CRYPTO \ >| OPTION_MASK_DIRECT_MOV

[PATCH v2] rs6000: Disable HTM for Power10 and later

2020-11-30 Thread Kewen.Lin via Gcc-patches
Hi Segher, on 2020/11/27 上午5:11, Segher Boessenkool wrote: > Hi! > > On Thu, Nov 26, 2020 at 06:15:04PM +0800, Kewen.Lin wrote: >> During previous Power10 testing, I noticed that ISA 3.1 has >> dropped TM support. I think we should not generate TM >> related instructions for Power10 and later, o