Hi, This patch adds options -march=/-mtune=knm for Knights Mill.
2017-09-14 Sebastian Peryt <sebastian.pe...@intel.com> gcc/ * config.gcc: Support "knm". * config/i386/driver-i386.c (host_detect_local_cpu): Detect "knm". * config/i386/i386-c.c (ix86_target_macros_internal): Handle PROCESSOR_KNM. * config/i386/i386.c (m_KNM): Define. (processor_target_table): Add "knm". (PTA_KNM): Define. (ix86_option_override_internal): Add "knm". (ix86_issue_rate): Add PROCESSOR_KNM. (ix86_adjust_cost): Ditto. (ia32_multipass_dfa_lookahead): Ditto. (get_builtin_code_for_version): Handle PROCESSOR_KNM. (fold_builtin_cpu): Define M_INTEL_KNM. * config/i386/i386.h (TARGET_KNM): Define. (processor_type): Add PROCESSOR_KNM. * config/i386/x86-tune.def: Add m_KNM. * doc/invoke.texi: Add knm as x86 -march=/-mtune= CPU type. gcc/testsuite/ * gcc.target/i386/funcspec-5.c: Test knm. Is it ok for trunk? Thanks, Sebastian
KNM_enabling.patch
Description: KNM_enabling.patch