s_copysignf.s

来自「在x86平台上运行不可信任代码的sandbox。」· S 代码 · 共 17 行

/*
 * Written by J.T. Conklin <[e-mail]>.
 * Public domain.
 */

#include <asm.h>

ENTRY(copysignf)
	movl	8(%esp),%edx
	andl	$0x80000000,%edx
	movl	4(%esp),%eax
	andl	$0x7fffffff,%eax
	orl	%edx,%eax
	movl	%eax,4(%esp)
	flds	4(%esp)
	ret