| /* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
| 2004, 2005, 2006 |
| Free Software Foundation, Inc. |
| |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| !! 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 */ |
| |
| ! |
| ! __lshrsi3) |
| ! |
| ! Entry: |
| ! |
| ! r4: Value to shift |
| ! r5: Shifts |
| ! |
| ! Exit: |
| ! |
| ! r0: Result |
| ! |
| ! Destroys: |
| ! |
| ! (none) |
| ! |
| .global __lshrsi3 |
| .align 2 |
| __lshrsi3: |
| mov #31,r0 |
| and r0,r5 |
| mova __lshrsi3_table,r0 |
| mov.b @(r0,r5),r5 |
| #ifdef __sh1__ |
| add r5,r0 |
| jmp @r0 |
| #else |
| braf r5 |
| #endif |
| mov r4,r0 |
| |
| .align 2 |
| __lshrsi3_table: |
| .byte __lshrsi3_0-__lshrsi3_table |
| .byte __lshrsi3_1-__lshrsi3_table |
| .byte __lshrsi3_2-__lshrsi3_table |
| .byte __lshrsi3_3-__lshrsi3_table |
| .byte __lshrsi3_4-__lshrsi3_table |
| .byte __lshrsi3_5-__lshrsi3_table |
| .byte __lshrsi3_6-__lshrsi3_table |
| .byte __lshrsi3_7-__lshrsi3_table |
| .byte __lshrsi3_8-__lshrsi3_table |
| .byte __lshrsi3_9-__lshrsi3_table |
| .byte __lshrsi3_10-__lshrsi3_table |
| .byte __lshrsi3_11-__lshrsi3_table |
| .byte __lshrsi3_12-__lshrsi3_table |
| .byte __lshrsi3_13-__lshrsi3_table |
| .byte __lshrsi3_14-__lshrsi3_table |
| .byte __lshrsi3_15-__lshrsi3_table |
| .byte __lshrsi3_16-__lshrsi3_table |
| .byte __lshrsi3_17-__lshrsi3_table |
| .byte __lshrsi3_18-__lshrsi3_table |
| .byte __lshrsi3_19-__lshrsi3_table |
| .byte __lshrsi3_20-__lshrsi3_table |
| .byte __lshrsi3_21-__lshrsi3_table |
| .byte __lshrsi3_22-__lshrsi3_table |
| .byte __lshrsi3_23-__lshrsi3_table |
| .byte __lshrsi3_24-__lshrsi3_table |
| .byte __lshrsi3_25-__lshrsi3_table |
| .byte __lshrsi3_26-__lshrsi3_table |
| .byte __lshrsi3_27-__lshrsi3_table |
| .byte __lshrsi3_28-__lshrsi3_table |
| .byte __lshrsi3_29-__lshrsi3_table |
| .byte __lshrsi3_30-__lshrsi3_table |
| .byte __lshrsi3_31-__lshrsi3_table |
| |
| __lshrsi3_6: |
| shlr2 r0 |
| __lshrsi3_4: |
| shlr2 r0 |
| __lshrsi3_2: |
| rts |
| shlr2 r0 |
| |
| __lshrsi3_7: |
| shlr2 r0 |
| __lshrsi3_5: |
| shlr2 r0 |
| __lshrsi3_3: |
| shlr2 r0 |
| __lshrsi3_1: |
| rts |
| shlr r0 |
| |
| __lshrsi3_14: |
| shlr2 r0 |
| __lshrsi3_12: |
| shlr2 r0 |
| __lshrsi3_10: |
| shlr2 r0 |
| __lshrsi3_8: |
| rts |
| shlr8 r0 |
| |
| __lshrsi3_15: |
| shlr2 r0 |
| __lshrsi3_13: |
| shlr2 r0 |
| __lshrsi3_11: |
| shlr2 r0 |
| __lshrsi3_9: |
| shlr8 r0 |
| rts |
| shlr r0 |
| |
| __lshrsi3_22: |
| shlr2 r0 |
| __lshrsi3_20: |
| shlr2 r0 |
| __lshrsi3_18: |
| shlr2 r0 |
| __lshrsi3_16: |
| rts |
| shlr16 r0 |
| |
| __lshrsi3_23: |
| shlr2 r0 |
| __lshrsi3_21: |
| shlr2 r0 |
| __lshrsi3_19: |
| shlr2 r0 |
| __lshrsi3_17: |
| shlr16 r0 |
| rts |
| shlr r0 |
| |
| __lshrsi3_30: |
| shlr2 r0 |
| __lshrsi3_28: |
| shlr2 r0 |
| __lshrsi3_26: |
| shlr2 r0 |
| __lshrsi3_24: |
| shlr16 r0 |
| rts |
| shlr8 r0 |
| |
| __lshrsi3_31: |
| shlr2 r0 |
| __lshrsi3_29: |
| shlr2 r0 |
| __lshrsi3_27: |
| shlr2 r0 |
| __lshrsi3_25: |
| shlr16 r0 |
| shlr8 r0 |
| rts |
| shlr r0 |
| |
| __lshrsi3_0: |
| rts |
| nop |