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linux-2.6/arch/sparc/lib/ashldi3.S

35 lines
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ArmAsm

/*
* ashldi3.S: GCC emits these for certain drivers playing
* with long longs.
*
* Copyright (C) 1999 David S. Miller (davem@redhat.com)
*/
.text
.align 4
.globl __ashldi3
__ashldi3:
cmp %o2, 0
be 9f
mov 0x20, %g2
sub %g2, %o2, %g2
cmp %g2, 0
bg 7f
sll %o0, %o2, %g3
neg %g2
clr %o5
b 8f
sll %o1, %g2, %o4
7:
srl %o1, %g2, %g2
sll %o1, %o2, %o5
or %g3, %g2, %o4
8:
mov %o4, %o0
mov %o5, %o1
9:
retl
nop