On Wed, Apr 1, 2020 at 9:28 AM Hongtao Liu <crazy...@gmail.com> wrote:
>
> On Wed, Apr 1, 2020 at 3:32 PM Hongtao Liu <crazy...@gmail.com> wrote:
> >
> > Hi:
> > This patch is about to enable GCC support for TSXLDTRK which would
> > be in GLC. There's only 2 instructions: XRESLDTRK, XSUSLDTRK, more
> > details please
> > refer to
> > https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf
> > I know it's stage4 right now, and patches are approved only for bug
> > fixed, but since many users prefer to use release version other than
> > build from trunk, i'd like to see this patch land on GCC10, after
> > all it's only 2 instructions, without any significant changes.
> >
> > Bootstrap ok, regression test on i386/x86 backend is ok.
No, this should wait for gcc-11.
Uros.
> > gcc/Changelog
> > * common/config/i386/i386-common.c (OPTION_MASK_ISA2_TSXLDTRK_SET,
> > OPTION_MASK_ISA2_TSXLDTRK_UNSET): New macros.
> > * config.gcc: Add tsxldtrkintrin.h to extra_headers.
> > * config/i386/driver-i386.c (host_detect_local_cpu): Detect
> > TSXLDTRK.
> > * config/i386/i386-builtin.def: Add new builtins.
> > * config/i386/i386-c.c (ix86_target_macros_internal): Define
> > __TSXLDTRK__.
> > * config/i386/i386-options.c (ix86_target_string): Add
> > -mtsxldtrk.
> > * config/i386/i386.h (TARGET_TSXLDTRK, TARGET_TSXLDTRK_P):
> > New.
> > * config/i386/i386.md (define_c_enum "unspec"): Add
> > UNSPECV_SUSLDTRK, UNSPECV_RESLDTRK.
> > (TSXLDTRK): New define_int_iterator.
> > ("<tsxldtrk>"): New define_insn.
> > * config/i386/i386.opt: Add -mtsxldtrk.
> > * config/i386/immintrin.h: Include tsxldtrkintrin.h.
> > * config/i386/tsxldtrkintrin.h: New.
> > * doc/invoke.texi: Document -mtsxldtrk.
> >
> > gcc/testsuite/Changelog
> > * g++.dg/other/i386-2.c: Add -mtsxldtrk.
> > * g++.dg/other/i386-3.c: Likewise.
> > * gcc.target/i386/sse-12.c: Likewise.
> > * gcc.target/i386/sse-13.c: Likewise.
> > * gcc.target/i386/sse-14.c: Likewise.
> > * gcc.target/i386/sse-22.c: Likewsie.
> > * gcc.target/i386/sse-23.c: Likewise.
> > * gcc.target/i386/tsxldtrk-1.c: New test.
> >
> > --
> > BR,
> > Hongtao
>
> Add patch.
>
> --
> BR,
> Hongtao
