Re: [Xen-devel] [PATCH v2 3/6] x86emul: support AVX512 opmask insns

2018-09-04 Thread Jan Beulich
>>> On 03.09.18 at 19:57, wrote: > On 29/08/18 15:24, Jan Beulich wrote: >> These are all VEX encoded, so the EVEX decoding logic continues to >> remain unused at this point. >> >> The new testcase is deliberately coded in assembly, as a C one would >> have become almost unreadable due to the over

Re: [Xen-devel] [PATCH v2 3/6] x86emul: support AVX512 opmask insns

2018-09-03 Thread Andrew Cooper
On 29/08/18 15:24, Jan Beulich wrote: > These are all VEX encoded, so the EVEX decoding logic continues to > remain unused at this point. > > The new testcase is deliberately coded in assembly, as a C one would > have become almost unreadable due to the overwhelming amount of > __builtin_...() that

[Xen-devel] [PATCH v2 3/6] x86emul: support AVX512 opmask insns

2018-08-29 Thread Jan Beulich
These are all VEX encoded, so the EVEX decoding logic continues to remain unused at this point. The new testcase is deliberately coded in assembly, as a C one would have become almost unreadable due to the overwhelming amount of __builtin_...() that would need to be used. After all the compiler ha