RFC: Formalization of the Intel assembly syntax (PR53929)

[Jan Beulich]

On 19.01.2024 02:42, LIU Hao wrote:
> In addition, `as -msyntax=intel -mnaked-reg` doesn't seem to be equivalent to `.intel_syntax noprefix`:
> 
>     $ as -msyntax=intel -mnaked-reg <<< 'mov eax, DWORD PTR gs:0x48' -o a.o
>     {standard input}: Assembler messages:
>     {standard input}:1: Error: invalid use of register
> 
>     $ as <<< '.intel_syntax noprefix;  mov eax, DWORD PTR gs:0x48' -o a.o && objdump -Mintel -d a.o
>     ...
>     0000000000000000 <.text>:
>        0:	65 8b 04 25 48 00 00 	mov    eax,DWORD PTR gs:0x48

This (the error above) looks like a bug to me; I'll look into where this
odd difference in behavior is coming from.

Jan