Merge pull request #1786 from martin-frbg/immintrin

Check for Immintrin.h presence in the AVX512 compatibility test as well
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Martin Kroeker 2018-10-04 09:07:09 +02:00 committed by GitHub
commit 02ef20a1e4
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2 changed files with 2 additions and 2 deletions

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@ -205,7 +205,7 @@ $binformat = bin64 if ($data =~ /BINARY_64/);
$no_avx512= 0;
if (($architecture eq "x86") || ($architecture eq "x86_64")) {
$code = '"vbroadcastss -4 * 4(%rsi), %zmm2"';
print $tmpf "int main(void){ __asm__ volatile($code); }\n";
print $tmpf "#include <immintrin.h>\n\nint main(void){ __asm__ volatile($code); }\n";
$args = " -march=skylake-avx512 -o $tmpf.o -x c $tmpf";
my @cmd = ("$compiler_name $args >/dev/null 2>/dev/null");
system(@cmd) == 0;

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@ -67,7 +67,7 @@ else()
endif()
if (X86_64 OR X86)
file(WRITE ${PROJECT_BINARY_DIR}/avx512.tmp "int main(void){ __asm__ volatile(\"vbroadcastss -4 * 4(%rsi), %zmm2\"); }")
file(WRITE ${PROJECT_BINARY_DIR}/avx512.tmp "#include <immintrin.h>\n\nint main(void){ __asm__ volatile(\"vbroadcastss -4 * 4(%rsi), %zmm2\"); }")
execute_process(COMMAND ${CMAKE_C_COMPILER} -march=skylake-avx512 -v -o ${PROJECT_BINARY_DIR}/avx512.o -x c ${PROJECT_BINARY_DIR}/avx512.tmp OUTPUT_QUIET ERROR_QUIET RESULT_VARIABLE NO_AVX512)
if (NO_AVX512 EQUAL 1)
set (CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX512")