gcc/testsuite/gcc.target/i386/crc32-2.c - gcc - Git at Google

 /* { dg-do compile } */
 /* { dg-options "-O2 -mcrc32 -std=gnu89" } */
 /* { dg-final { scan-assembler "crc32q\[^\\n\]*rax" { target { ! ia32 } } } } */

 unsigned long long
 crc32d (unsigned long long x, unsigned long long y)
 {
   return __builtin_ia32_crc32di (x, y);
 }
	/* { dg-do compile } */
	/* { dg-options "-O2 -mcrc32 -std=gnu89" } */
	/* { dg-final { scan-assembler "crc32q\[^\\n\]rax" { target { ! ia32 } } } } /

	unsigned long long
	crc32d (unsigned long long x, unsigned long long y)
	{
	return __builtin_ia32_crc32di (x, y);
	}