diff --git a/getarch.c b/getarch.c
index 8b00aaee7..3f7afe3be 100644
--- a/getarch.c
+++ b/getarch.c
@@ -97,9 +97,11 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #if defined(__x86_64__) || defined(_M_X64)
 #if (( defined(__GNUC__)  && __GNUC__   > 6 && defined(__AVX2__)) || (defined(__clang__) && __clang_major__ >= 6))
 #else
+#ifndef NO_AVX512
 #define NO_AVX512
 #endif
 #endif
+#endif
 /* #define FORCE_P2		*/
 /* #define FORCE_KATMAI		*/
 /* #define FORCE_COPPERMINE	*/
@@ -324,6 +326,16 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define FORCE
 #define FORCE_INTEL
 #define ARCHITECTURE    "X86"
+#ifdef NO_AVX2
+#define SUBARCHITECTURE "SANDYBRIDGE"
+#define ARCHCONFIG   "-DSANDYBRIDGE " \
+		     "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=64 " \
+		     "-DL2_SIZE=262144 -DL2_LINESIZE=64 " \
+		     "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 " \
+		     "-DHAVE_CMOV -DHAVE_MMX -DHAVE_SSE -DHAVE_SSE2 -DHAVE_SSE3 -DHAVE_SSSE3 -DHAVE_SSE4_1 -DHAVE_SSE4_2 -DHAVE_AVX"
+#define LIBNAME   "sandybridge"
+#define CORENAME  "SANDYBRIDGE"
+#else
 #define SUBARCHITECTURE "HASWELL"
 #define ARCHCONFIG   "-DHASWELL " \
 		     "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=64 " \
@@ -334,6 +346,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define LIBNAME   "haswell"
 #define CORENAME  "HASWELL"
 #endif
+#endif
 
 #ifdef FORCE_SKYLAKEX
 #ifdef NO_AVX512
@@ -549,6 +562,16 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define FORCE
 #define FORCE_INTEL
 #define ARCHITECTURE    "X86"
+#ifdef NO_AVX2
+#define SUBARCHITECTURE "SANDYBRIDGE"
+#define ARCHCONFIG   "-DSANDYBRIDGE " \
+		     "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=64 " \
+		     "-DL2_SIZE=262144 -DL2_LINESIZE=64 " \
+		     "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 " \
+		     "-DHAVE_CMOV -DHAVE_MMX -DHAVE_SSE -DHAVE_SSE2 -DHAVE_SSE3 -DHAVE_SSSE3 -DHAVE_SSE4_1 -DHAVE_SSE4_2 -DHAVE_AVX"
+#define LIBNAME   "sandybridge"
+#define CORENAME  "SANDYBRIDGE"
+#else
 #define SUBARCHITECTURE "ZEN"
 #define ARCHCONFIG   "-DZEN " \
 		     "-DL1_CODE_SIZE=32768 -DL1_CODE_LINESIZE=64 -DL1_CODE_ASSOCIATIVE=8 " \
@@ -563,6 +586,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define LIBNAME   "zen"
 #define CORENAME  "ZEN"
 #endif
+#endif
 
 
 #ifdef FORCE_SSE_GENERIC
@@ -981,20 +1005,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #else
 #endif
 
-#ifdef FORCE_RISCV64_GENERIC
-#define FORCE
-#define ARCHITECTURE    "RISCV64"
-#define SUBARCHITECTURE "RISCV64_GENERIC"
-#define SUBDIRNAME      "riscv64"
-#define ARCHCONFIG   "-DRISCV64_GENERIC " \
-       "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=32 " \
-       "-DL2_SIZE=1048576 -DL2_LINESIZE=32 " \
-       "-DDTB_DEFAULT_ENTRIES=128 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=4 "
-#define LIBNAME   "riscv64_generic"
-#define CORENAME  "RISCV64_GENERIC"
-#else
-#endif
-
 #ifdef FORCE_CORTEXA15
 #define FORCE
 #define ARCHITECTURE    "ARM"
@@ -1280,21 +1290,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define CORENAME  "Z14"
 #endif
 
-#ifdef FORCE_C910V
-#define FORCE
-#define ARCHITECTURE    "RISCV64"
-#define SUBARCHITECTURE "C910V"
-#define SUBDIRNAME      "riscv64"
-#define ARCHCONFIG   "-DC910V " \
-       "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=32 " \
-       "-DL2_SIZE=1048576 -DL2_LINESIZE=32 " \
-       "-DDTB_DEFAULT_ENTRIES=128 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=4 "
-#define LIBNAME   "c910v"
-#define CORENAME  "C910V"
-#else
-#endif
-
-
 #ifndef FORCE
 
 #ifdef USER_TARGET
@@ -1349,10 +1344,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define OPENBLAS_SUPPORTED
 #endif
 
-#ifdef __riscv
-#include "cpuid_riscv64.c"
-#endif
-
 #ifdef __arm__
 #include "cpuid_arm.c"
 #define OPENBLAS_SUPPORTED