Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/cmake/modules/SIMDExt.cmake b/cmake/modules/SIMDExt.cmake
new file mode 100644
index 000000000..84818617a
--- /dev/null
+++ b/cmake/modules/SIMDExt.cmake
@@ -0,0 +1,110 @@
+# detect SIMD extensions
+#
+# HAVE_ARM
+# HAVE_ARMV8_CRC
+# HAVE_ARMV8_CRC_CRYPTO_INTRINSICS
+# HAVE_ARMV8_CRYPTO
+# HAVE_ARMV8_SIMD
+# HAVE_ARM_NEON
+#
+# HAVE_INTEL
+# HAVE_INTEL_SSE
+# HAVE_INTEL_SSE2
+# HAVE_INTEL_SSE3
+# HAVE_INTEL_SSSE3
+# HAVE_INTEL_PCLMUL
+# HAVE_INTEL_SSE4_1
+# HAVE_INTEL_SSE4_2
+#
+# HAVE_PPC64LE
+# HAVE_PPC64
+# HAVE_PPC
+#
+# SIMD_COMPILE_FLAGS
+#
+
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
+  set(HAVE_ARM 1) 
+  include(CheckCCompilerFlag)
+
+  check_c_compiler_flag(-march=armv8-a+crc+crypto HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
+  if(HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
+    set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crc+crypto")
+    set(HAVE_ARMV8_CRC TRUE)
+    set(HAVE_ARMV8_CRYPTO TRUE)
+  else()
+    check_c_compiler_flag(-march=armv8-a+crc HAVE_ARMV8_CRC)
+    check_c_compiler_flag(-march=armv8-a+crypto HAVE_ARMV8_CRYPTO)
+    if(HAVE_ARMV8_CRC)
+      set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crc")
+    elseif(HAVE_ARMV8_CRYPTO)
+      set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crypto")
+    endif()
+  endif()
+
+  CHECK_C_COMPILER_FLAG(-march=armv8-a+simd HAVE_ARMV8_SIMD)
+  if(HAVE_ARMV8_SIMD)
+    set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -march=armv8-a+simd")
+  endif()
+
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM")
+  set(HAVE_ARM 1)
+  CHECK_C_COMPILER_FLAG(-mfpu=neon HAVE_ARM_NEON)
+  if(HAVE_ARM_NEON)
+    set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mfpu=neon")
+  endif()
+
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i386|i686|amd64|x86_64|AMD64")
+  set(HAVE_INTEL 1)
+  if(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64")
+    CHECK_C_COMPILER_FLAG(-msse HAVE_INTEL_SSE)
+    if(HAVE_INTEL_SSE)
+      set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse")
+    endif()
+    if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
+      CHECK_C_COMPILER_FLAG(-msse2 HAVE_INTEL_SSE2)
+      if(HAVE_INTEL_SSE2)
+        set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse2")
+      endif()
+      CHECK_C_COMPILER_FLAG(-msse3 HAVE_INTEL_SSE3)
+      if(HAVE_INTEL_SSE3)
+        set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse3")
+      endif()
+      CHECK_C_COMPILER_FLAG(-mssse3 HAVE_INTEL_SSSE3)
+      if(HAVE_INTEL_SSSE3)
+        set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mssse3")
+      endif()
+      CHECK_C_COMPILER_FLAG(-mpclmul HAVE_INTEL_PCLMUL)
+      if(HAVE_INTEL_PCLMUL)
+        set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mpclmul")
+      endif()
+      CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_INTEL_SSE4_1)
+      if(HAVE_INTEL_SSE4_1)
+        set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.1")
+      endif()
+      CHECK_C_COMPILER_FLAG(-msse4.2 HAVE_INTEL_SSE4_2)
+      if(HAVE_INTEL_SSE4_2)
+        set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.2")
+      endif()
+    endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
+  endif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)")
+  if(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64le")
+    set(HAVE_PPC64LE 1)
+    message(STATUS " we are ppc64le")
+  elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64")
+    set(HAVE_PPC64 1)
+    message(STATUS " we are ppc64")
+  else()
+    set(HAVE_PPC 1)
+  endif()
+  CHECK_C_COMPILER_FLAG("-maltivec" HAS_ALTIVEC)
+  if(HAS_ALTIVEC)
+    message(STATUS " HAS_ALTIVEC yes")
+    add_compile_options(-maltivec)
+  endif()
+  CHECK_C_COMPILER_FLAG("-mcpu=power8" HAVE_POWER8)
+  if(HAVE_POWER8)
+    message(STATUS " HAVE_POWER8 yes")
+  endif()
+endif()