/* SPDX-License-Identifier: GPL-2.0+ WITH GCC-exception-2.0

   Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
   2004, 2005, 2006
   Free Software Foundation, Inc.
*/

!! libgcc routines for the Renesas / SuperH SH CPUs.
!! Contributed by Steve Chamberlain.
!! sac@cygnus.com

!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
!! recoded in assembly by Toshiyasu Morita
!! tm@netcom.com

/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
   ELF local label prefixes by J"orn Rennecke
   amylaar@cygnus.com  */

!
! __ashlsi3
!
! Entry:
!
! r4: Value to shift
! r5: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)
!
! __ashlsi3_r0
!
! Entry:
!
! r4: Value to shift
! r0: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)


        .global __ashlsi3
        .global __ashlsi3_r0
        
        .align  2
__ashlsi3:
        mov     r5,r0
        .align  2
__ashlsi3_r0:
        and     #31,r0
        mov.l   r4,@-r15
        mov     r0,r4
        mova    ashlsi3_table,r0
        mov.b   @(r0,r4),r4
        add     r4,r0
        jmp     @r0
        mov.l   @r15+,r0

        .align  2
ashlsi3_table:
        .byte           ashlsi3_0-ashlsi3_table
        .byte           ashlsi3_1-ashlsi3_table
        .byte           ashlsi3_2-ashlsi3_table
        .byte           ashlsi3_3-ashlsi3_table
        .byte           ashlsi3_4-ashlsi3_table
        .byte           ashlsi3_5-ashlsi3_table
        .byte           ashlsi3_6-ashlsi3_table
        .byte           ashlsi3_7-ashlsi3_table
        .byte           ashlsi3_8-ashlsi3_table
        .byte           ashlsi3_9-ashlsi3_table
        .byte           ashlsi3_10-ashlsi3_table
        .byte           ashlsi3_11-ashlsi3_table
        .byte           ashlsi3_12-ashlsi3_table
        .byte           ashlsi3_13-ashlsi3_table
        .byte           ashlsi3_14-ashlsi3_table
        .byte           ashlsi3_15-ashlsi3_table
        .byte           ashlsi3_16-ashlsi3_table
        .byte           ashlsi3_17-ashlsi3_table
        .byte           ashlsi3_18-ashlsi3_table
        .byte           ashlsi3_19-ashlsi3_table
        .byte           ashlsi3_20-ashlsi3_table
        .byte           ashlsi3_21-ashlsi3_table
        .byte           ashlsi3_22-ashlsi3_table
        .byte           ashlsi3_23-ashlsi3_table
        .byte           ashlsi3_24-ashlsi3_table
        .byte           ashlsi3_25-ashlsi3_table
        .byte           ashlsi3_26-ashlsi3_table
        .byte           ashlsi3_27-ashlsi3_table
        .byte           ashlsi3_28-ashlsi3_table
        .byte           ashlsi3_29-ashlsi3_table
        .byte           ashlsi3_30-ashlsi3_table
        .byte           ashlsi3_31-ashlsi3_table

ashlsi3_6:
        shll2   r0
ashlsi3_4:
        shll2   r0
ashlsi3_2:
        rts
        shll2   r0

ashlsi3_7:
        shll2   r0
ashlsi3_5:
        shll2   r0
ashlsi3_3:
        shll2   r0
ashlsi3_1:
        rts
        shll    r0

ashlsi3_14:
        shll2   r0
ashlsi3_12:
        shll2   r0
ashlsi3_10:
        shll2   r0
ashlsi3_8:
        rts
        shll8   r0

ashlsi3_15:
        shll2   r0
ashlsi3_13:
        shll2   r0
ashlsi3_11:
        shll2   r0
ashlsi3_9:
        shll8   r0
        rts
        shll    r0

ashlsi3_22:
        shll2   r0
ashlsi3_20:
        shll2   r0
ashlsi3_18:
        shll2   r0
ashlsi3_16:
        rts
        shll16  r0

ashlsi3_23:
        shll2   r0
ashlsi3_21:
        shll2   r0
ashlsi3_19:
        shll2   r0
ashlsi3_17:
        shll16  r0
        rts
        shll    r0

ashlsi3_30:
        shll2   r0
ashlsi3_28:
        shll2   r0
ashlsi3_26:
        shll2   r0
ashlsi3_24:
        shll16  r0
        rts
        shll8   r0

ashlsi3_31:
        shll2   r0
ashlsi3_29:
        shll2   r0
ashlsi3_27:
        shll2   r0
ashlsi3_25:
        shll16  r0
        shll8   r0
        rts
        shll    r0

ashlsi3_0:
        rts
        nop