| /* 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 |
