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Don't run test intrinsic code with native flag in CMake. #1578

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merged 1 commit into from
Sep 19, 2023
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Don't run test intrinsic code with native flag in CMake. #1578

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33 changes: 11 additions & 22 deletions cmake/detect-intrinsics.cmake
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Original file line number Diff line number Diff line change
@@ -1,17 +1,6 @@
# detect-intrinsics.cmake -- Detect compiler intrinsics support
# Licensed under the Zlib license, see LICENSE.md for details

# Macro to check if source compiles
# (and, when compiling very natively, also runs).
macro(check_c_source_compile_or_run source flag)
if(CMAKE_CROSSCOMPILING OR NOT WITH_NATIVE_INSTRUCTIONS)
check_c_source_compiles("${source}" ${flag})
else()
check_c_source_runs("${source}" ${flag})
endif()
endmacro()


macro(check_acle_compiler_flag)
if(MSVC)
# Both ARM and ARM64-targeting msvc support intrinsics, but
Expand Down Expand Up @@ -55,7 +44,7 @@ macro(check_armv6_compiler_flag)
endif()
# Check whether compiler supports ARMv6 inline asm
set(CMAKE_REQUIRED_FLAGS "${ARMV6FLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"unsigned int f(unsigned int a, unsigned int b) {
unsigned int c;
__asm__ __volatile__ ( \"uqsub16 %0, %1, %2\" : \"=r\" (c) : \"r\" (a), \"r\" (b) );
Expand All @@ -65,7 +54,7 @@ macro(check_armv6_compiler_flag)
HAVE_ARMV6_INLINE_ASM
)
# Check whether compiler supports ARMv6 intrinsics
check_c_source_compile_or_run(
check_c_source_compiles(
"#if defined(_MSC_VER)
#include <intrin.h>
#else
Expand Down Expand Up @@ -111,7 +100,7 @@ macro(check_avx512_intrinsics)
endif()
# Check whether compiler supports AVX512 intrinsics
set(CMAKE_REQUIRED_FLAGS "${AVX512FLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
__m512i f(__m512i y) {
__m512i x = _mm512_set1_epi8(2);
Expand All @@ -122,7 +111,7 @@ macro(check_avx512_intrinsics)
)

# Evidently both GCC and clang were late to implementing these
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
__mmask16 f(__mmask16 x) { return _knot_mask16(x); }
int main(void) { return 0; }"
Expand Down Expand Up @@ -157,7 +146,7 @@ macro(check_avx512vnni_intrinsics)

# Check whether compiler supports AVX512vnni intrinsics
set(CMAKE_REQUIRED_FLAGS "${AVX512VNNIFLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
__m512i f(__m512i x, __m512i y) {
__m512i z = _mm512_setzero_epi32();
Expand Down Expand Up @@ -185,7 +174,7 @@ macro(check_avx2_intrinsics)
endif()
# Check whether compiler supports AVX2 intrinics
set(CMAKE_REQUIRED_FLAGS "${AVX2FLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
__m256i f(__m256i x) {
const __m256i y = _mm256_set1_epi16(1);
Expand Down Expand Up @@ -254,7 +243,7 @@ macro(check_pclmulqdq_intrinsics)
if(NOT (APPLE AND "${ARCH}" MATCHES "i386"))
# The pclmul code currently crashes on Mac in 32bit mode. Avoid for now.
set(CMAKE_REQUIRED_FLAGS "${PCLMULFLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
#include <wmmintrin.h>
__m128i f(__m128i a, __m128i b) { return _mm_clmulepi64_si128(a, b, 0x10); }
Expand All @@ -276,7 +265,7 @@ macro(check_vpclmulqdq_intrinsics)
# Check whether compiler supports VPCLMULQDQ intrinsics
if(NOT (APPLE AND "${ARCH}" MATCHES "i386"))
set(CMAKE_REQUIRED_FLAGS "${VPCLMULFLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
#include <wmmintrin.h>
__m512i f(__m512i a) {
Expand Down Expand Up @@ -454,7 +443,7 @@ macro(check_sse2_intrinsics)
endif()
# Check whether compiler supports SSE2 intrinsics
set(CMAKE_REQUIRED_FLAGS "${SSE2FLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
__m128i f(__m128i x, __m128i y) { return _mm_sad_epu8(x, y); }
int main(void) { return 0; }"
Expand All @@ -477,7 +466,7 @@ macro(check_ssse3_intrinsics)
endif()
# Check whether compiler supports SSSE3 intrinsics
set(CMAKE_REQUIRED_FLAGS "${SSSE3FLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <immintrin.h>
__m128i f(__m128i u) {
__m128i v = _mm_set1_epi32(1);
Expand All @@ -502,7 +491,7 @@ macro(check_sse42_intrinsics)
endif()
# Check whether compiler supports SSE4.2 intrinsics
set(CMAKE_REQUIRED_FLAGS "${SSE42FLAG} ${NATIVEFLAG}")
check_c_source_compile_or_run(
check_c_source_compiles(
"#include <nmmintrin.h>
unsigned int f(unsigned int a, unsigned int b) { return _mm_crc32_u32(a, b); }
int main(void) { return 0; }"
Expand Down