| /* 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 */ |
| |
| ! |
| ! __ashrsi3 |
| ! |
| ! Entry: |
| ! |
| ! r4: Value to shift |
| ! r5: Shifts |
| ! |
| ! Exit: |
| ! |
| ! r0: Result |
| ! |
| ! Destroys: |
| ! |
| ! (none) |
| ! |
| ! __ashrsi3_r0 |
| ! |
| ! Entry: |
| ! |
| ! r4: Value to shift |
| ! r0: Shifts |
| ! |
| ! Exit: |
| ! |
| ! r0: Result |
| ! |
| ! Destroys: |
| ! |
| ! (none) |
| |
| .global __ashrsi3 |
| .global __ashrsi3_r0 |
| |
| .align 2 |
| __ashrsi3: |
| mov r5,r0 |
| .align 2 |
| __ashrsi3_r0: |
| and #31,r0 |
| mov.l r4,@-r15 |
| mov r0,r4 |
| mova ashrsi3_table,r0 |
| mov.b @(r0,r4),r4 |
| add r4,r0 |
| jmp @r0 |
| mov.l @r15+,r0 |
| |
| .align 2 |
| ashrsi3_table: |
| .byte ashrsi3_0-ashrsi3_table |
| .byte ashrsi3_1-ashrsi3_table |
| .byte ashrsi3_2-ashrsi3_table |
| .byte ashrsi3_3-ashrsi3_table |
| .byte ashrsi3_4-ashrsi3_table |
| .byte ashrsi3_5-ashrsi3_table |
| .byte ashrsi3_6-ashrsi3_table |
| .byte ashrsi3_7-ashrsi3_table |
| .byte ashrsi3_8-ashrsi3_table |
| .byte ashrsi3_9-ashrsi3_table |
| .byte ashrsi3_10-ashrsi3_table |
| .byte ashrsi3_11-ashrsi3_table |
| .byte ashrsi3_12-ashrsi3_table |
| .byte ashrsi3_13-ashrsi3_table |
| .byte ashrsi3_14-ashrsi3_table |
| .byte ashrsi3_15-ashrsi3_table |
| .byte ashrsi3_16-ashrsi3_table |
| .byte ashrsi3_17-ashrsi3_table |
| .byte ashrsi3_18-ashrsi3_table |
| .byte ashrsi3_19-ashrsi3_table |
| .byte ashrsi3_20-ashrsi3_table |
| .byte ashrsi3_21-ashrsi3_table |
| .byte ashrsi3_22-ashrsi3_table |
| .byte ashrsi3_23-ashrsi3_table |
| .byte ashrsi3_24-ashrsi3_table |
| .byte ashrsi3_25-ashrsi3_table |
| .byte ashrsi3_26-ashrsi3_table |
| .byte ashrsi3_27-ashrsi3_table |
| .byte ashrsi3_28-ashrsi3_table |
| .byte ashrsi3_29-ashrsi3_table |
| .byte ashrsi3_30-ashrsi3_table |
| .byte ashrsi3_31-ashrsi3_table |
| |
| ashrsi3_31: |
| rotcl r0 |
| rts |
| subc r0,r0 |
| |
| ashrsi3_30: |
| shar r0 |
| ashrsi3_29: |
| shar r0 |
| ashrsi3_28: |
| shar r0 |
| ashrsi3_27: |
| shar r0 |
| ashrsi3_26: |
| shar r0 |
| ashrsi3_25: |
| shar r0 |
| ashrsi3_24: |
| shlr16 r0 |
| shlr8 r0 |
| rts |
| exts.b r0,r0 |
| |
| ashrsi3_23: |
| shar r0 |
| ashrsi3_22: |
| shar r0 |
| ashrsi3_21: |
| shar r0 |
| ashrsi3_20: |
| shar r0 |
| ashrsi3_19: |
| shar r0 |
| ashrsi3_18: |
| shar r0 |
| ashrsi3_17: |
| shar r0 |
| ashrsi3_16: |
| shlr16 r0 |
| rts |
| exts.w r0,r0 |
| |
| ashrsi3_15: |
| shar r0 |
| ashrsi3_14: |
| shar r0 |
| ashrsi3_13: |
| shar r0 |
| ashrsi3_12: |
| shar r0 |
| ashrsi3_11: |
| shar r0 |
| ashrsi3_10: |
| shar r0 |
| ashrsi3_9: |
| shar r0 |
| ashrsi3_8: |
| shar r0 |
| ashrsi3_7: |
| shar r0 |
| ashrsi3_6: |
| shar r0 |
| ashrsi3_5: |
| shar r0 |
| ashrsi3_4: |
| shar r0 |
| ashrsi3_3: |
| shar r0 |
| ashrsi3_2: |
| shar r0 |
| ashrsi3_1: |
| rts |
| shar r0 |
| |
| ashrsi3_0: |
| rts |
| nop |
