kfr

commit d4d9457d4fd51a931f3e503c52d2d3257ff99a31
parent bc1356576f5085d69e007abd45d00592b24b25e3
Author: d.levin256@gmail.com <d.levin256@gmail.com>
Date:   Mon,  2 Dec 2019 16:44:42 +0000

Detect SSE4.2, detect_cpu executable

Diffstat:
M
CMakeLists.txt
 | 
4
++++
M
include/kfr/runtime/cpuid.hpp
 | 
2
++

2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -159,6 +159,10 @@ endif()
 
 message(STATUS CPU_ARCH=${CPU_ARCH})
 
+add_executable(detect_cpu ${CMAKE_CURRENT_SOURCE_DIR}/cmake/detect_cpu.cpp)
+target_link_libraries(detect_cpu PRIVATE kfr)
+target_set_arch(detect_cpu PRIVATE generic)
+
 if (ENABLE_TESTS)
 
     if (MSVC)
diff --git a/include/kfr/runtime/cpuid.hpp b/include/kfr/runtime/cpuid.hpp
@@ -289,6 +289,8 @@ cpu_t detect_cpu()
         return cpu_t::avx2;
     if (c.hasAVX && c.hasAVXOSSUPPORT)
         return cpu_t::avx1;
+    if (c.hasSSE42)
+        return cpu_t::sse42;
     if (c.hasSSE41)
         return cpu_t::sse41;
     if (c.hasSSSE3)