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Linux/arch/sparc/lib/muldi3.S

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  1 /* SPDX-License-Identifier: GPL-2.0-or-later */
  2 /* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
  3 
  4 This file is part of GNU CC.
  5 
  6  */
  7 
  8 #include <linux/export.h>
  9         .text
 10         .align 4
 11         .globl __muldi3
 12 __muldi3:
 13         save  %sp, -104, %sp
 14         wr  %g0, %i1, %y
 15         sra  %i3, 0x1f, %g2
 16         and  %i1, %g2, %g2
 17         andcc  %g0, 0, %g1
 18         mulscc  %g1, %i3, %g1
 19         mulscc  %g1, %i3, %g1
 20         mulscc  %g1, %i3, %g1
 21         mulscc  %g1, %i3, %g1
 22         mulscc  %g1, %i3, %g1
 23         mulscc  %g1, %i3, %g1
 24         mulscc  %g1, %i3, %g1
 25         mulscc  %g1, %i3, %g1
 26         mulscc  %g1, %i3, %g1
 27         mulscc  %g1, %i3, %g1
 28         mulscc  %g1, %i3, %g1
 29         mulscc  %g1, %i3, %g1
 30         mulscc  %g1, %i3, %g1
 31         mulscc  %g1, %i3, %g1
 32         mulscc  %g1, %i3, %g1
 33         mulscc  %g1, %i3, %g1
 34         mulscc  %g1, %i3, %g1
 35         mulscc  %g1, %i3, %g1
 36         mulscc  %g1, %i3, %g1
 37         mulscc  %g1, %i3, %g1
 38         mulscc  %g1, %i3, %g1
 39         mulscc  %g1, %i3, %g1
 40         mulscc  %g1, %i3, %g1
 41         mulscc  %g1, %i3, %g1
 42         mulscc  %g1, %i3, %g1
 43         mulscc  %g1, %i3, %g1
 44         mulscc  %g1, %i3, %g1
 45         mulscc  %g1, %i3, %g1
 46         mulscc  %g1, %i3, %g1
 47         mulscc  %g1, %i3, %g1
 48         mulscc  %g1, %i3, %g1
 49         mulscc  %g1, %i3, %g1
 50         mulscc  %g1, 0, %g1
 51         add  %g1, %g2, %l2
 52         rd  %y, %o1
 53         mov  %o1, %l3
 54         mov  %i1, %o0
 55         mov  %i2, %o1
 56         umul %o0, %o1, %o0
 57         mov  %o0, %l0
 58         mov  %i0, %o0
 59         mov  %i3, %o1
 60         umul %o0, %o1, %o0
 61         add  %l0, %o0, %l0
 62         mov  %l2, %i0
 63         add  %l2, %l0, %i0
 64         ret 
 65         restore  %g0, %l3, %o1
 66 EXPORT_SYMBOL(__muldi3)

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