RE: [PATCH] x86: Enable ENQCMD and UINTR for march=sierraforest.

["Cui, Lili" <lili.cui@intel.com>]

> -----Original Message-----
> From: Hongtao Liu <crazylht@gmail.com>
> Sent: Tuesday, July 4, 2023 4:27 PM
> To: Cui, Lili <lili.cui@intel.com>
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH] x86: Enable ENQCMD and UINTR for march=sierraforest.
> 
> On Tue, Jul 4, 2023 at 4:15 PM Cui, Lili <lili.cui@intel.com> wrote:
> >
> > From: Lili Cui <lili.cui@intel.com>
> >
> > Hi Maintainer,
> >
> > This patch is to enable ENQCMD and UINTR for march=sierraforest
> according to Intel ISE.
> >
> > Bootstrapped and regtested. Ok for trunk? And I will backport this patch to
> GCC13.
> Ok.

Committed and backported to GCC13, thanks.

Regards,
Lili.

> >
> > Thanks,
> > Lili.
> >
> > Enable ENQCMD and UINTR for march=sierraforest according to Intel ISE
> > https://cdrdv2.intel.com/v1/dl/getContent/671368
> >
> > gcc/ChangeLog
> >
> >         * config/i386/i386.h: Add PTA_ENQCMD and PTA_UINTR to
> PTA_SIERRAFOREST.
> >         * doc/invoke.texi: Update new isa to march=sierraforest and
> grandridge.
> > ---
> >  gcc/config/i386/i386.h | 2 +-
> >  gcc/doc/invoke.texi    | 7 ++++---
> >  2 files changed, 5 insertions(+), 4 deletions(-)
> >
> > diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index
> > 5ac9c78d3ba..84ebafdf2dc 100644
> > --- a/gcc/config/i386/i386.h
> > +++ b/gcc/config/i386/i386.h
> > @@ -2341,7 +2341,7 @@ constexpr wide_int_bitmask PTA_ALDERLAKE =
> PTA_TREMONT | PTA_ADX | PTA_AVX
> >    | PTA_PCONFIG | PTA_PKU | PTA_VAES | PTA_VPCLMULQDQ |
> PTA_SERIALIZE
> >    | PTA_HRESET | PTA_KL | PTA_WIDEKL | PTA_AVXVNNI;  constexpr
> > wide_int_bitmask PTA_SIERRAFOREST = PTA_ALDERLAKE | PTA_AVXIFMA
> > -  | PTA_AVXVNNIINT8 | PTA_AVXNECONVERT | PTA_CMPCCXADD;
> > +  | PTA_AVXVNNIINT8 | PTA_AVXNECONVERT | PTA_CMPCCXADD |
> PTA_ENQCMD |
> > + PTA_UINTR;
> >  constexpr wide_int_bitmask PTA_GRANITERAPIDS = PTA_SAPPHIRERAPIDS
> | PTA_AMX_FP16
> >    | PTA_PREFETCHI | PTA_AMX_COMPLEX;
> >  constexpr wide_int_bitmask PTA_GRANDRIDGE = PTA_SIERRAFOREST |
> > PTA_RAOINT; diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> > index 26bcbe26c6c..dc385c1a3d8 100644
> > --- a/gcc/doc/invoke.texi
> > +++ b/gcc/doc/invoke.texi
> > @@ -32559,7 +32559,8 @@ SSSE3, SSE4.1, SSE4.2, POPCNT, AES,
> PREFETCHW,
> > PCLMUL, RDRND, XSAVE, XSAVEC,  XSAVES, XSAVEOPT, FSGSBASE, PTWRITE,
> > RDPID, SGX, GFNI-SSE, CLWB, MOVDIRI,  MOVDIR64B, CLDEMOTE,
> WAITPKG,
> > ADCX, AVX, AVX2, BMI, BMI2, F16C, FMA, LZCNT,  PCONFIG, PKU, VAES,
> > VPCLMULQDQ, SERIALIZE, HRESET, KL, WIDEKL, AVX-VNNI, -AVXIFMA,
> AVXVNNIINT8, AVXNECONVERT and CMPCCXADD instruction set support.
> > +AVXIFMA, AVXVNNIINT8, AVXNECONVERT, CMPCCXADD, ENQCMD and
> UINTR
> > +instruction set support.
> >
> >  @item grandridge
> >  Intel Grand Ridge CPU with 64-bit extensions, MOVBE, MMX, SSE, SSE2,
> > SSE3, @@ -32567,8 +32568,8 @@ SSSE3, SSE4.1, SSE4.2, POPCNT, AES,
> > PREFETCHW, PCLMUL, RDRND, XSAVE, XSAVEC,  XSAVES, XSAVEOPT,
> FSGSBASE,
> > PTWRITE, RDPID, SGX, GFNI-SSE, CLWB, MOVDIRI,  MOVDIR64B,
> CLDEMOTE,
> > WAITPKG, ADCX, AVX, AVX2, BMI, BMI2, F16C, FMA, LZCNT,  PCONFIG, PKU,
> > VAES, VPCLMULQDQ, SERIALIZE, HRESET, KL, WIDEKL, AVX-VNNI, -AVXIFMA,
> > AVXVNNIINT8, AVXNECONVERT, CMPCCXADD and RAOINT instruction set -
> support.
> > +AVXIFMA, AVXVNNIINT8, AVXNECONVERT, CMPCCXADD, ENQCMD, UINTR
> and
> > +RAOINT instruction set support.
> >
> >  @item knl
> >  Intel Knight's Landing CPU with 64-bit extensions, MOVBE, MMX, SSE,
> > SSE2, SSE3,
> > --
> > 2.25.1
> >
> 
> 
> --
> BR,
> Hongtao