src/cpu/x86/fpu_enable.inc - coreboot - Gitiles

 	/* preserve BIST in %eax */
 __fpu_start:
 	movl %eax, %ebp

 	/* Disable floating point emulation */
 	movl	%cr0, %eax
 	andl	$~(1<<2), %eax
 	movl	%eax, %cr0

 	movl %ebp, %eax
	/* preserve BIST in %eax */
	__fpu_start:
	movl %eax, %ebp

	/* Disable floating point emulation */
	movl %cr0, %eax
	andl $~(1<<2), %eax
	movl %eax, %cr0

	movl %ebp, %eax