Correct compiler flags for NEOVERSEV1 target

Author: Mousius

cmake/cc.cmake

@@ -211,14 +211,14 @@ endif ()
 if (${CORE} STREQUAL NEOVERSEV1)
   if (NOT DYNAMIC_ARCH)
     if (${CMAKE_C_COMPILER_ID} STREQUAL "PGI" AND NOT NO_SVE)
-	set (CCOMMON_OPT  "${CCOMMON_OPT} -Msve_intrinsics -march=armv8.4-a+sve -mtune=neoverse-v1")
+	set (CCOMMON_OPT  "${CCOMMON_OPT} -Msve_intrinsics -march=armv8.4-a+sve+bf16 -mtune=neoverse-v1")
     elseif (${CMAKE_C_COMPILER_ID} STREQUAL "NVC" AND NOT NO_SVE)
 	set (CCOMMON_OPT  "${CCOMMON_OPT} -tp=neoverse-v1")
     else ()
       if (${GCC_VERSION} VERSION_GREATER 10.4 OR ${GCC_VERSION} VERSION_EQUAL 10.4)
-        set (CCOMMON_OPT  "${CCOMMON_OPT} -march=armv8.4-a+sve -mtune=neoverse-v1")
+        set (CCOMMON_OPT  "${CCOMMON_OPT} -march=armv8.4-a+sve+bf16 -mtune=neoverse-v1")
       else ()
-        set (CCOMMON_OPT "${CCOMMON_OPT} -march=armv8.2-a+sve")
+        set (CCOMMON_OPT "${CCOMMON_OPT} -march=armv8.2-a+sve+bf16")
       endif()
     endif()
   endif ()

cmake/system.cmake

@@ -291,10 +291,10 @@ if (DEFINED TARGET)
 
 if (${TARGET} STREQUAL NEOVERSEV1)
     if (${CMAKE_C_COMPILER_ID} STREQUAL "PGI" AND NOT NO_SVE)
-	set (KERNEL_DEFINITIONS  "${KERNEL_DEFINITIONS} -Msve_intrinsics -march=armv8.4-a+sve -mtune=neoverse-v1")
+	set (KERNEL_DEFINITIONS  "${KERNEL_DEFINITIONS} -Msve_intrinsics -march=armv8.4-a+sve+bf16 -mtune=neoverse-v1")
     else ()
     if (CMAKE_C_COMPILER_VERSION VERSION_GREATER 10.4 OR CMAKE_C_COMPILER_VERSION VERSION_EQUAL 10.4)
-      set (KERNEL_DEFINITIONS  "${KERNEL_DEFINITIONS} -march=armv8.4-a+sve -mtune=neoverse-v1")
+      set (KERNEL_DEFINITIONS  "${KERNEL_DEFINITIONS} -march=armv8.4-a+sve+bf16 -mtune=neoverse-v1")
     else ()
 	    message(FATAL_ERROR "Compiler ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_VERSION} does not support Neoverse V1.")
     endif()

getarch.c

@@ -1,5 +1,5 @@
 /*****************************************************************************
-Copyright (c) 2011-2014, The OpenBLAS Project
+Copyright (c) 2011-2014, 2025 The OpenBLAS Project
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -1476,7 +1476,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        "-DL2_SIZE=1048576 -DL2_LINESIZE=64 -DL2_ASSOCIATIVE=16 " \
        "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 " \
        "-DHAVE_VFPV4 -DHAVE_VFPV3 -DHAVE_VFP -DHAVE_NEON -DHAVE_SVE -DARMV8 " \
-       "-march=armv8.4-a+sve -mtune=neoverse-v1"
+       "-march=armv8.4-a+sve+bf16 -mtune=neoverse-v1"
 #define LIBNAME   "neoversev1"
 #define CORENAME  "NEOVERSEV1"
 #endif