On Sat, Sep 24, 2022 at 10:43 PM Richard Henderson
<richard.hender...@linaro.org> wrote:
> > +static void decode_0F79(DisasContext *s, CPUX86State *env, X86OpEntry
> > *entry, uint8_t *b)
> > +{
> > + if (s->prefix & PREFIX_REPNZ) {
> > + entry->gen = gen_INSERTQ_r;
> > + } else if (s->prefix & PREFIX_DATA) {
> > + entry->gen = gen_EXTRQ_r;
> > + } else {
> > + entry->gen = NULL;
> > + };
> > +}
> ...
> > + [0x79] = X86_OP_GROUP2(0F79, V,x, U,x, cpuid(SSE4A)),
>
> These are not -- they're AMD New Media.
What's the CPUID bit for these? Neither
https://github.com/intelxed/xed/blob/main/datafiles/amd/xed-amd-sse4a.txt
nor the AMD programmer's manual makes any distinction between
EXTRQ/INSERTQ with register operand and the same instruction with
immediate operands.
Paolo
