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, or no? > > This patch is to turn off HTM support once we know the cpu > setting is power10 or later, and warn something if the > explicit option -mhtm is specified.
We currently enable OPTION_MASK_HTM in ISA_2_7_MASKS_SERVER (in rs6000-cpus.def), and include that in all later CPUs/archs. Could you fix it there instead? Easiest and most obvious is to just add HTM to the power8, power9, and powerpc64le entries. Segher
