Add cmake support for LOONGARCH64

cmake/arch.cmake

@@ -113,6 +113,10 @@ if (MIPS64)
   set(NO_BINARY_MODE 1)
 endif ()
 
+if (LOONGARCH64)
+  set(NO_BINARY_MODE 1)
+endif ()
+
 if (${ARCH} STREQUAL "alpha")
   set(NO_BINARY_MODE 1)
   set(BINARY_DEFINED 1)

cmake/cc.cmake

@@ -29,6 +29,15 @@ if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_C_COMPILER_ID} STREQUAL "LS
       set(FCOMMON_OPT "${FCOMMON_OPT} -march=mips64")
     endif ()
 
+    if (LOONGARCH64)
+      if (BINARY64)
+        set(CCOMMON_OPT "${CCOMMON_OPT} -mabi=lp64")
+      else ()
+        set(CCOMMON_OPT "${CCOMMON_OPT} -mabi=lp32")
+      endif ()
+      set(BINARY_DEFINED 1)
+    endif ()
+
     if (CMAKE_SYSTEM_NAME STREQUAL "AIX")
       set(BINARY_DEFINED 1)
     endif ()

cmake/fc.cmake

@@ -61,6 +61,13 @@ if (${F_COMPILER} STREQUAL "GFORTRAN")
         set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=n32")
       endif ()
     endif ()
+    if (LOONGARCH64)
+      if (BINARY64)
+        set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=lp64")
+      else ()
+        set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=lp32")
+      endif ()
+    endif ()
   else ()
     if (BINARY64)
       set(FCOMMON_OPT "${FCOMMON_OPT} -m64")

cmake/system_check.cmake

@@ -38,6 +38,8 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc.*|power.*|Power.*")
   set(PPC 1)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "mips64.*")
   set(MIPS64 1)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64.*")
+  set(LOONGARCH64 1)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
   if (NOT BINARY)
     if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
@@ -95,7 +97,7 @@ else()
 endif ()
 
 if (NOT BINARY)
-  if (X86_64 OR ARM64 OR PPC OR MIPS64)
+  if (X86_64 OR ARM64 OR PPC OR MIPS64 OR LOONGARCH64)
     set(BINARY 64)
   else ()
     set(BINARY 32)

kernel/loongarch64/KERNEL

@@ -234,3 +234,5 @@ endif
 ifndef ZGEMM3MKERNEL
 ZGEMM3MKERNEL    =  zgemm3m_kernel.S
 endif
+
+DSDOTKERNEL  = dot.S