[Bug target/63334] -m16 should turn off unsupported instructions

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63334

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|-m16 should turn off MMX,   |-m16 should turn off
                   |SSE, AVX as well as         |unsupported instructions
                   |VEX-encoded scalar          |
                   |instructions                |

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Only VEX/EVEX instructions aren't supported in 16-bit mode.