ashrdi3.s
来自「自己根据lkd和情境分析」· S 代码 · 共 39 行
S
39 行
/* $Id: ashrdi3.S,v 1.1.1.1 2004/02/04 12:55:48 laputa Exp $ * ashrdi3.S: The filesystem code creates all kinds of references to * this little routine on the sparc with gcc. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) */#include <asm/cprefix.h> .text .align 4 .globl C_LABEL(__ashrdi3)C_LABEL(__ashrdi3): tst %o2 be 3f or %g0, 32, %g2 sub %g2, %o2, %g2 tst %g2 bg 1f sra %o0, %o2, %o4 sra %o0, 31, %o4 sub %g0, %g2, %g2 ba 2f sra %o0, %g2, %o51: sll %o0, %g2, %g3 srl %o1, %o2, %g2 or %g2, %g3, %o52: or %g0, %o4, %o0 or %g0, %o5, %o13: jmpl %o7 + 8, %g0 nop
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