[PATCH] X86: Disassemble primary opcode map's group 2 ModRM.reg == 6 aliases correctly

Jan Beulich JBeulich@suse.com
Wed Jul 5 09:29:00 GMT 2017


>>> On 05.07.17 at 11:05, <bp@suse.de> wrote:
> On Tue, May 30, 2017 at 09:23:25AM -0700, H.J. Lu wrote:
>> On Tue, May 30, 2017 at 8:48 AM, Borislav Petkov <bp@suse.de> wrote:
>> > On Tue, May 30, 2017 at 08:19:49AM -0700, H.J. Lu wrote:
>> >> There is no SAL, which is just an alias of SHL in assembler.
>> >
>> > Well, the only thing that matters is that he hardware accepts a /6.
>> >
>> > If I had to guess, though, it probably turns it into the /4 variant by
>> > masking out the second bit of the .reg field...
>> >
>> > Anyway, here's the previous version with shl from a couple mails ago
>> > upthread:
>> 
>> This is OK.
> 
> Jan, Micha, can one of you guys check this in now pls?

Done.

Jan



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