, February 7, 2018 2:15 PM
To: Shalnov, Sergey
Cc: gcc-patches@gcc.gnu.org; Peryt, Sebastian ;
Ivchenko, Alexander ; Kirill Yukhin
Subject: Re: [PATCH, i386] Fix ix86_multiplication_cost for SKX
On Wed, Feb 7, 2018 at 2:02 PM, Shalnov, Sergey
wrote:
> Hi,
> This patch is one of the set of patc
On Wed, Feb 7, 2018 at 2:02 PM, Shalnov, Sergey
wrote:
> Hi,
> This patch is one of the set of patches to fix SKX costs.
Please post the whole series for review.
Thanks,
Uros.
> I think multiplication costs calculation algorithm needs to be adjusted in
> gcc/config/i386/i386.c ix86_multiplicat
Hi,
This patch is one of the set of patches to fix SKX costs.
I think multiplication costs calculation algorithm needs to be adjusted in
gcc/config/i386/i386.c ix86_multiplication_cost() function.
For TARGET_AVX512DQ emulation is not used and single vpmullq instruction
emitted.
I think we have t