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# _lshrsi3.S for Lattice Mico32

# Contributed by Jon Beniston  and Richard Henderson.

#

# Copyright (C) 2009 Free Software Foundation, Inc.

#

# This file is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License as published by the

# Free Software Foundation; either version 3, or (at your option) any

# later version.

#

# This file is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# Under Section 7 of GPL version 3, you are granted additional

# permissions described in the GCC Runtime Library Exception, version

# 3.1, as published by the Free Software Foundation.

#

# You should have received a copy of the GNU General Public License and

# a copy of the GCC Runtime Library Exception along with this program;

# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

# .

#

/* Logical right shift.  */

        .global __lshrsi3

        .type __lshrsi3,@function

__lshrsi3:

        /* Only use 5 LSBs, as that's all the h/w shifter uses.  */

        andi    r2, r2, 0x1f

        /* Get address of offset into unrolled shift loop to jump to.  */

#ifdef __PIC__

        lw      r3, (gp+got(__lshrsi3_0))

#else

        mvhi    r3, hi(__lshrsi3_0)

        ori     r3, r3, lo(__lshrsi3_0)

#endif

        add     r2, r2, r2

        add     r2, r2, r2

        sub     r3, r3, r2

        b       r3

__lshrsi3_31:

        srui    r1, r1, 1

__lshrsi3_30:

        srui    r1, r1, 1

__lshrsi3_29:

        srui    r1, r1, 1

__lshrsi3_28:

        srui    r1, r1, 1

__lshrsi3_27:

        srui    r1, r1, 1

__lshrsi3_26:

        srui    r1, r1, 1

__lshrsi3_25:

        srui    r1, r1, 1

__lshrsi3_24:

        srui    r1, r1, 1

__lshrsi3_23:

        srui    r1, r1, 1

__lshrsi3_22:

        srui    r1, r1, 1

__lshrsi3_21:

        srui    r1, r1, 1

__lshrsi3_20:

        srui    r1, r1, 1

__lshrsi3_19:

        srui    r1, r1, 1

__lshrsi3_18:

        srui    r1, r1, 1

__lshrsi3_17:

        srui    r1, r1, 1

__lshrsi3_16:

        srui    r1, r1, 1

__lshrsi3_15:

        srui    r1, r1, 1

__lshrsi3_14:

        srui    r1, r1, 1

__lshrsi3_13:

        srui    r1, r1, 1

__lshrsi3_12:

        srui    r1, r1, 1

__lshrsi3_11:

        srui    r1, r1, 1

__lshrsi3_10:

        srui    r1, r1, 1

__lshrsi3_9:

        srui    r1, r1, 1

__lshrsi3_8:

        srui    r1, r1, 1

__lshrsi3_7:

        srui    r1, r1, 1

__lshrsi3_6:

        srui    r1, r1, 1

__lshrsi3_5:

        srui    r1, r1, 1

__lshrsi3_4:

        srui    r1, r1, 1

__lshrsi3_3:

        srui    r1, r1, 1

__lshrsi3_2:

        srui    r1, r1, 1

__lshrsi3_1:

        srui    r1, r1, 1

__lshrsi3_0:

        ret