Hi, This patch contain cost model change for SKX and closes PR target/83008 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83008)
It provides following performance scores in geomean: SPEC CPU2017 intrate +0.6% SPEC CPU2017 fprate +1.5% SPEC 2006 [int|fp] no changes out of noise I found a regression and solve it with https://gcc.gnu.org/ml/gcc-patches/2018-02/msg00320.html Could you please merge the patch (and patch in the link https://gcc.gnu.org/ml/gcc-patches/2018-02/msg00320.html) to the main trunk? Thank you Sergey 2018-02-06 Sergey Shalnov <sergey.shal...@intel.com> gcc/ PR target/83008 * config/i386/x86-tune-costs.h (struct processor_costs): Fixed 256 and 512 aligned store costs and integer stores according PR83008 gcc/testsuite/ * gcc.target/i386/pr83008.c: New test.
0013-SKX_cost_model_test.patch
Description: 0013-SKX_cost_model_test.patch
