Re: [tip: x86/cleanups] x86/segment: Use MOVL when reading segment registers

[H. Peter Anvin]

On 2026-03-12 02:30, Uros Bizjak wrote:
> 
> We would like to always use MOVL to avoid 0x66 operand size override
> prefix when reading to a register, but MOVL does not support memory
> operands. MOVW is required in this case.
> 

Just use "mov" without any suffix.

GAS LISTING movseg.s                    page 1


   1                            .text
   2
   3 0000 8CD8                  mov %ds,%eax
   4 0002 668CD8                mov %ds,%ax
   5 0005 8C1B                  mov %ds,(%rbx)

	-hpa