Re: [PATCH] i386: Correct *vec_extractv2si_zext_mem

[Uros Bizjak <ubizjak@gmail.com>]

On 2/16/19, H.J. Lu <hjl.tools@gmail.com> wrote:
> The second and third alternatives in *vec_extractv2si_zext_mem don't
> require MMX.  But the second one requires SSE2.
>
> 	* config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
> 	MMX.  Add isa attribute.

OK.

Thanks,
Uros.

> ---
>  gcc/config/i386/mmx.md | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
> index c1e0f2c411e..b566cc80020 100644
> --- a/gcc/config/i386/mmx.md
> +++ b/gcc/config/i386/mmx.md
> @@ -1354,13 +1354,14 @@
>  	  (vec_select:SI
>  	    (match_operand:V2SI 1 "memory_operand" "o,o,o")
>  	    (parallel [(match_operand:SI 2 "const_0_to_1_operand")]))))]
> -  "TARGET_64BIT && TARGET_MMX"
> +  "TARGET_64BIT"
>    "#"
>    "&& reload_completed"
>    [(set (match_dup 0) (zero_extend:DI (match_dup 1)))]
>  {
>    operands[1] = adjust_address (operands[1], SImode, INTVAL (operands[2]) *
> 4);
> -})
> +}
> +  [(set_attr "isa" "*,sse2,*")])
>
>  (define_expand "vec_extractv2sisi"
>    [(match_operand:SI 0 "register_operand")
> --
> 2.20.1
>
>