From d605a19e42e2d134a0118b256eedbb36bb33bcc1 Mon Sep 17 00:00:00 2001
From: Kiran Varaganti <Kiran.Varaganti@amd.com>
Date: Mon, 20 May 2019 10:48:06 +0530
Subject: [PATCH] config_registry: New AMD zen2 architecture configuration
 added.   frame/base/bli_arch.c: #ifdef BLIS_FAMILY_ZEN2 id = BLIS_ARCH_ZEN2;
 #endif added. zen2 is added in config_name[BLIS_NUM_ARCHS]  
 frame/base/bli_cpuid.c : #ifdef BLIS_CONFIG_ZEN2 if ( bli_cpuid_is_zen2(
 family, model, features ) ) return BLIS_ARCH_ZEN2; #endif, defined new
 function bool bli_cpuid_is_zen2(...).   frame/base/bli_cpuid.h : declared
 bli_cpuid_is_zen2(..).   frame/base/bli_gks.c : #ifdef BLIS_CONFIG_ZEN2
 bli_gks_register_cntx(BLIS_ARCH_ZEN2, bli_cntx_init_zen2,
 bli_cntx_init_zen2_ref, bli_cntx_init_zen2_ind); #endif  
 frame/include/bli_arch_config.h : #ifdef BLIS_CONFIG_ZEN2
 CNTX_INIT_PROTS(zen2) #endif #ifdef BLIS_FAMILY_ZEN2 #include
 "bli_family_zen2.h" #endif   frame/include/bli_type_defs.h : added
 BLIS_ARCH_ZEN2 in arch_t enum. BLIS_NUM_ARCHS 20

Change-Id: I2a2d9b7266673e78a4f8543b1bfb5425b0aa7866
---
 config/zen2/make_defs.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/config/zen2/make_defs.mk b/config/zen2/make_defs.mk
index ac1a0545b..404df2a19 100644
--- a/config/zen2/make_defs.mk
+++ b/config/zen2/make_defs.mk
@@ -62,6 +62,11 @@ endif
 # gcc 4.9 (clang 3.5) or later:
 # possibly add zen-specific instructions: -mclzero -madx -mrdseed -mmwaitx -msha -mxsavec -mxsaves -mclflushopt -mpopcnt
 #CKVECFLAGS     := -mavx2 -mfpmath=sse -mfma -march=bdver4 -mno-fma4 -mno-tbm -mno-xop -mno-lwp
+else
+ifeq ($(CC_VENDOR),clang)
+CKVECFLAGS     := -mavx2 -mfpmath=sse -mfma -march=znver1 -mno-fma4 -mno-tbm -mno-xop -mno-lwp
+else
+$(error gcc or clang are required for this configuration.)
 endif
 # Store all of the variables here to new variables containing the
 # configuration name.