PATCH: PR gas/17421: Disallow VEX/EVEX encoded instructions in 16-bit mode

Jan Beulich JBeulich@suse.com
Wed Sep 24 08:23:00 GMT 2014


>>> On 23.09.14 at 20:16, <hongjiu.lu@intel.com> wrote:
> VEX/EVEX encoded instructions aren't supported in 16-bit mode.  I checked
> in this patch to disallow them.

I don't think this is in line with how things are currently documented:
These instructions #UD in real and vm86 mode, but not in 16-bit
protected mode. I.e. I think either the patch needs reverting or the
documentation needs updating.

Jan



More information about the Binutils mailing list