On Tue, 14 Nov 2017, Jakub Jelinek wrote:
> Hi!
>
> For targets that don't have {,u}mulv4 insn we try 3 different
> expansions of the basic signed * signed -> signed or unsigned * unsigned ->
> unsigned overflow computation. The first one is done if
>if (GET_MODE_2XWIDER_MODE (mode).exi
Hi!
For targets that don't have {,u}mulv4 insn we try 3 different
expansions of the basic signed * signed -> signed or unsigned * unsigned ->
unsigned overflow computation. The first one is done if
if (GET_MODE_2XWIDER_MODE (mode).exists (&wmode)
&& targetm.scalar_mode_supporte
