gcc/testsuite/gcc.target/i386/pr95791.c - gcc - Git at Google

 /* { dg-do compile { target { ! ia32 } } } */
 /* { dg-options "-O2 -mavx512f -mvzeroupper" } */

 void
 f(void)
 {
   __asm__ __volatile__("" ::: "zmm16");
 }

 /* { dg-final { scan-assembler-not "vzeroupper" } } */
	/* { dg-do compile { target { ! ia32 } } } */
	/* { dg-options "-O2 -mavx512f -mvzeroupper" } */

	void
	f(void)
	{
	__asm__ __volatile__("" ::: "zmm16");
	}

	/* { dg-final { scan-assembler-not "vzeroupper" } } */