On Mon, Mar 21, 2022 at 2:29 PM Uros Bizjak <ubiz...@gmail.com> wrote:
>
> On Mon, Mar 21, 2022 at 2:56 PM H.J. Lu <hjl.to...@gmail.com> wrote:
> >
> > 1. Pass 0x19 to __cpuid for bit_AESKLE.
> > 2. Enable FEATURE_AESKLE only if bit_AESKLE is set.
> >
> > PR target/104998
> > * common/config/i386/cpuinfo.h (get_available_features): Pass
> > 0x19 to __cpuid for bit_AESKLE. Enable FEATURE_AESKLE only if
> > bit_AESKLE is set.
>
> LGTM.
OK for backport?
Thanks.
> Thanks,
> Uros.
>
> > ---
> > gcc/common/config/i386/cpuinfo.h | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/gcc/common/config/i386/cpuinfo.h
> > b/gcc/common/config/i386/cpuinfo.h
> > index 61b1a0f291c..239759dc766 100644
> > --- a/gcc/common/config/i386/cpuinfo.h
> > +++ b/gcc/common/config/i386/cpuinfo.h
> > @@ -779,11 +779,11 @@ get_available_features (struct __processor_model
> > *cpu_model,
> > /* Get Advanced Features at level 0x19 (eax = 0x19). */
> > if (max_cpuid_level >= 0x19)
> > {
> > - set_feature (FEATURE_AESKLE);
> > - __cpuid (19, eax, ebx, ecx, edx);
> > + __cpuid (0x19, eax, ebx, ecx, edx);
> > /* Check if OS support keylocker. */
> > if (ebx & bit_AESKLE)
> > {
> > + set_feature (FEATURE_AESKLE);
> > if (ebx & bit_WIDEKL)
> > set_feature (FEATURE_WIDEKL);
> > if (has_kl)
> > --
> > 2.35.1
> >
--
H.J.
