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Show First 20 Lines • Show All 61 Lines • ▼ Show 20 Lines	if(SECP256K1_ENABLE_BIGNUM)
set(USE_SCALAR_INV_NUM 1)		set(USE_SCALAR_INV_NUM 1)
else()		else()
set(USE_NUM_NONE 1)		set(USE_NUM_NONE 1)
set(USE_FIELD_INV_BUILTIN 1)		set(USE_FIELD_INV_BUILTIN 1)
set(USE_SCALAR_INV_BUILTIN 1)		set(USE_SCALAR_INV_BUILTIN 1)
endif()		endif()

# We check if amd64 asm is supported.		# We check if amd64 asm is supported.
		option(SECP256K1_USE_ASM "Use assembly if available" ON)
		if($SECP256K1_USE_ASM)
check_c_source_compiles("		check_c_source_compiles("
#include <stdint.h>		#include <stdint.h>
int main() {		int main() {
uint64_t a = 11, tmp;		uint64_t a = 11, tmp;
__asm__ __volatile__(\"movq \$0x100000000,%1; mulq %%rsi\" : \"+a\"(a) : \"S\"(tmp) : \"cc\", \"%rdx\");		__asm__ __volatile__(\"movq \$0x100000000,%1; mulq %%rsi\" : \"+a\"(a) : \"S\"(tmp) : \"cc\", \"%rdx\");
return 0;		return 0;
}		}
" USE_ASM_X86_64)		" USE_ASM_X86_64)
		else()
		set(USE_ASM_X86_64 0)
		endif()

# We make sure __int128 is defined		# We make sure __int128 is defined
include(CheckTypeSize)		include(CheckTypeSize)
check_type_size(__int128 SIZEOF___INT128)		check_type_size(__int128 SIZEOF___INT128)
if(SIZEOF___INT128 EQUAL 16)		if(SIZEOF___INT128 EQUAL 16)
set(HAVE___INT128 1)		set(HAVE___INT128 1)
else()		else()
# If we do not support __int128, we should be falling back		# If we do not support __int128, we should be falling back
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