On Wed, Jul 28, 2021 at 8:36 PM Richard Biener
wrote:
>
> On Wed, Jul 28, 2021 at 10:35 AM liuhongt wrote:
> >
> > Hi:
> > As described in PR 39821, WIDEN_MULT_EXPR should use a different cost
> > model from MULT_EXPR, this patch add ix86_widen_mult_cost for that.
> > Reference basis for the
On Wed, Jul 28, 2021 at 10:35 AM liuhongt wrote:
>
> Hi:
> As described in PR 39821, WIDEN_MULT_EXPR should use a different cost
> model from MULT_EXPR, this patch add ix86_widen_mult_cost for that.
> Reference basis for the cost model is https://godbolt.org/z/EMjaz4Knn.
>
> Bootstrapped and
Hi:
As described in PR 39821, WIDEN_MULT_EXPR should use a different cost
model from MULT_EXPR, this patch add ix86_widen_mult_cost for that.
Reference basis for the cost model is https://godbolt.org/z/EMjaz4Knn.
Bootstrapped and regtested on x86_64-linux-gnu{-m32,}.
gcc/ChangeLog: