https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81743
--- Comment #2 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> --- Author: hjl Date: Mon Aug 7 11:47:22 2017 New Revision: 250915 URL: https://gcc.gnu.org/viewcvs?rev=250915&root=gcc&view=rev Log: i386: Set priority to P_AES for Westmere The difference between Nehalem and Westmere is AES. We should set priority to P_AES for Westmere, not P_PROC_SSE4_2 which is for Nehalem. Otherwise, we will pick Nehalem implementation on Westmere. Tested on Westmere. PR target/81743 * config/i386/i386.c (get_builtin_code_for_version): Set priority to P_AES for Westmere. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c