On Mon, Oct 9, 2023 at 10:05 AM Hongyu Wang <hongyu.w...@intel.com> wrote:
>
> For vec_concatv2di, m constraint in alternative 0 and 1 could result in
> egpr allocated on operand 2 under -mapxf. Should use jm instead.
>
> Bootstrapped/regtested on x86-64-linux-gnu.
>
> Ok for trunk?
Ok.
>
> gcc/ChangeLog:
>
> * config/i386/sse.md (vec_concatv2di): Replace constraint "m"
> with "jm" for alternative 0 and 1 of operand 2.
> ---
> gcc/config/i386/sse.md | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
> index 6bffd749c6d..58672f46365 100644
> --- a/gcc/config/i386/sse.md
> +++ b/gcc/config/i386/sse.md
> @@ -20638,7 +20638,7 @@ (define_insn "vec_concatv2di"
> (match_operand:DI 1 "register_operand"
> " 0, 0,x ,Yv,0,Yv,0,0,v")
> (match_operand:DI 2 "nonimmediate_operand"
> - " jrm,jrm,rm,rm,x,Yv,x,m,m")))]
> + " jrjm,jrjm,rm,rm,x,Yv,x,m,m")))]
> "TARGET_SSE"
> "@
> pinsrq\t{$1, %2, %0|%0, %2, 1}
> --
> 2.31.1
>
--
BR,
Hongtao
