gcc/testsuite/gcc.target/i386/zero-scratch-regs-32.c - gcc - Git at Google

 /* { dg-do compile { target *-*-linux* } } */
 /* { dg-options "-O2 -fzero-call-used-regs=all -mno-80387" } */

 int
 foo (int x)
 {
   return (x + 1);
 }

 /* { dg-final { scan-assembler-not "fldz" } } */
	/* { dg-do compile { target --linux* } } */
	/* { dg-options "-O2 -fzero-call-used-regs=all -mno-80387" } */

	int
	foo (int x)
	{
	return (x + 1);
	}

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