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15 lines
371 B
CMake
15 lines
371 B
CMake
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include(CheckCSourceCompiles)
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function(check_x86_64_assembly)
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check_c_source_compiles("
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#include <stdint.h>
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int main()
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{
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uint64_t a = 11, tmp;
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__asm__ __volatile__(\"movq $0x100000000,%1; mulq %%rsi\" : \"+a\"(a) : \"S\"(tmp) : \"cc\", \"%rdx\");
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}
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" HAVE_X86_64_ASM)
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set(HAVE_X86_64_ASM ${HAVE_X86_64_ASM} PARENT_SCOPE)
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endfunction()
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