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-rw-r--r--CMakeLists.txt26
1 files changed, 24 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11f3a055..ec44bac3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,8 +49,10 @@
cmake_minimum_required(VERSION 3.13...3.16 FATAL_ERROR)
include(CMakePushCheckState)
+include(CheckIncludeFile)
include(CheckSymbolExists)
include(CheckStructHasMember)
+include(CheckCSourceCompiles)
include(cmake/tuklib_integer.cmake)
include(cmake/tuklib_cpucores.cmake)
include(cmake/tuklib_physmem.cmake)
@@ -402,14 +404,16 @@ check_c_source_compiles("
cmake_pop_check_state()
tuklib_add_definition_if(liblzma HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR)
+# cpuid.h
+check_include_file(cpuid.h HAVE_CPUID_H)
+tuklib_add_definition_if(liblzma HAVE_CPUID_H)
+
# immintrin.h:
-include(CheckIncludeFile)
check_include_file(immintrin.h HAVE_IMMINTRIN_H)
if(HAVE_IMMINTRIN_H)
target_compile_definitions(liblzma PRIVATE HAVE_IMMINTRIN_H)
# SSE2 intrinsics:
- include(CheckCSourceCompiles)
check_c_source_compiles("
#include <immintrin.h>
int main(void)
@@ -421,6 +425,24 @@ if(HAVE_IMMINTRIN_H)
"
HAVE__MM_MOVEMASK_EPI8)
tuklib_add_definition_if(liblzma HAVE__MM_MOVEMASK_EPI8)
+
+ # CLMUL intrinsic:
+ check_c_source_compiles("
+ #include <immintrin.h>
+ #if defined(__e2k__) && __iset__ < 6
+ # error
+ #endif
+ #if (defined(__GNUC__) || defined(__clang__)) && !defined(__EDG__)
+ __attribute__((__target__(\"ssse3,sse4.1,pclmul\")))
+ #endif
+ __m128i my_clmul(__m128i a, __m128i b)
+ {
+ return _mm_clmulepi64_si128(a, b, 0);
+ }
+ int main(void) { return 0; }
+ "
+ HAVE_USABLE_CLMUL)
+ tuklib_add_definition_if(liblzma HAVE_USABLE_CLMUL)
endif()
# Support -fvisiblity=hidden when building shared liblzma.