[AMD Official Use Only - General]
Hi Honza,
Thank you for posting the tuning patch.
> -Original Message-
> From: Jan Hubicka
> Sent: Tuesday, December 6, 2022 3:31 PM
> To: gcc-patches@gcc.gnu.org; mjam...@suse.cz; Alexander Monakov
> ; Kumar, Venkataramanan
> ; Joshi, Tejas Sanjay
>
>
> > - COSTS_N_INSNS (5), /* cost of FADD and FSUB insns. */
> > - COSTS_N_INSNS (5), /* cost of FMUL instruction. */
> > + COSTS_N_INSNS (7), /* cost of FADD and FSUB insns. */
> > + COSTS_N_INSNS (7), /* cost of FMUL in
On Tue, Dec 6, 2022 at 11:01 AM Jan Hubicka via Gcc-patches
wrote:
>
> Hi
> this patch updates cost of znver4 mostly based on data measued by Agner Fog.
> Compared to previous generations x87 became bit slower which is probably not
> big deal (and we have minimal benchmarking coverage for it). On
