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Re: RFC: [PATCH] X86: Add pseudo prefixes to control encoding
On Fri, Nov 11, 2016 at 1:36 PM, Florian Weimer <firstname.lastname@example.org> wrote:
> On 11/11/2016 10:34 PM, H.J. Lu wrote:
>> Control instruction length is one usage of pseudo prefixes.
>> Specifying instruction length will make assembler unnecessarily
>> more complex, like how to encode "vmovaps (%rax),%xmm2"
>> with 7 bytes.
> Perhaps turn it into assertion of instruction length instead?
It may be useful. But it doesn't fit well into my pseudo prefix
scheme. A patch is welcome.