Add CMake build support for IBM Z (#5440)

* Add ZARCH support, including DYNAMIC_ARCH

Author: martin-frbg

Jenkinsfile

@@ -10,5 +10,10 @@ pipeline {
                 sh 'make clean && make'
             }
         }
+        stage('CMakeBuild') {
+            steps {
+                sh 'sudo apt update && sudo apt install cmake -y && make clean && rm -rf build && mkdir build && cd build && cmake -DDYNAMIC_ARCH=1 .. && make'
+            }
+        }
     }
 }

cmake/arch.cmake

@@ -94,7 +94,13 @@ if (DYNAMIC_ARCH)
       set(DYNAMIC_CORE PRESCOTT ${DYNAMIC_LIST})
     endif ()
   endif ()
-
+  
+  if (ZARCH)
+    set(DYNAMIC_CORE Z13 Z14 ZARCH_GENERIC)
+    set(DYN_Z13 1)
+	set(DYN_Z14 1)
+  endif ()
+  
   if (LOONGARCH64)
     set(DYNAMIC_CORE LA64_GENERIC LA264 LA464)
   endif ()

cmake/cc.cmake

@@ -86,6 +86,10 @@ if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_C_COMPILER_ID} STREQUAL "LS
       set(BINARY_DEFINED 1)
     endif ()
 
+    if (ZARCH)
+      set (BINARY_DEFINED 1)
+	endif ()
+ 
     if (CMAKE_SYSTEM_NAME STREQUAL "AIX")
       set(BINARY_DEFINED 1)
     endif ()

cmake/system.cmake

@@ -316,6 +316,13 @@ if (DEFINED TARGET)
     set (KERNEL_DEFINITIONS  "${KERNEL_DEFINITIONS} -mcpu=power8 -mtune=power8 -mvsx -fno-fast-math")
   endif()
 
+if (${TARGET} STREQUAL Z13)
+    set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=z13 -mzvector")
+endif()
+if (${TARGET} STREQUAL Z14)
+    set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=z14 -mzvector")
+endif()
+
 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+bf16 -mtune=neoverse-v1")
@@ -485,7 +492,7 @@ if (SMALL_MATRIX_OPT)
 endif ()
 
 if (DYNAMIC_ARCH)
-  if (X86 OR X86_64 OR ARM64 OR POWER OR RISCV64 OR LOONGARCH64)
+  if (X86 OR X86_64 OR ARM64 OR POWER OR RISCV64 OR LOONGARCH64 OR ZARCH)
     set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_ARCH")
     if (DYNAMIC_OLDER)
       set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_OLDER")

cmake/system_check.cmake

@@ -50,6 +50,9 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64.*")
   set(LOONGARCH64 1)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64.*")
   set(RISCV64 1)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "s390.*")
+  set(ZARCH 1)
+  set(BINARY 64)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*" OR (CMAKE_SYSTEM_NAME MATCHES "Darwin" AND CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*"))
   if (NOT BINARY)
     if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
@@ -100,6 +103,8 @@ elseif(X86)
   set(ARCH "x86")
 elseif(POWER)
   set(ARCH "power")
+elseif(ZARCH)
+  set(ARCH "zarch")
 elseif(MIPS32)
   set(ARCH "mips")
 elseif(MIPS64)

driver/others/CMakeLists.txt

@@ -52,6 +52,8 @@ if (DYNAMIC_ARCH)
     list(APPEND COMMON_SOURCES dynamic_arm64.c)
   elseif (POWER)
     list(APPEND COMMON_SOURCES dynamic_power.c)
+  elseif (ZARCH)
+    list(APPEND COMMON_SOURCES dynamic_zarch.c)
   elseif (RISCV64)
     list(APPEND COMMON_SOURCES dynamic_riscv64.c detect_riscv64.c)
   elseif (LOONGARCH64)