| /* SPDX-License-Identifier: GPL-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 */ | |
| ! | |
| ! GLOBAL(ashlsi3) | |
| ! | |
| ! Entry: | |
| ! | |
| ! r4: Value to shift | |
| ! r5: Shifts | |
| ! | |
| ! Exit: | |
| ! | |
| ! r0: Result | |
| ! | |
| ! Destroys: | |
| ! | |
| ! (none) | |
| ! | |
| .global __ashlsi3 | |
| .align 2 | |
| __ashlsi3: | |
| mov #31,r0 | |
| and r0,r5 | |
| mova __ashlsi3_table,r0 | |
| mov.b @(r0,r5),r5 | |
| #ifdef __sh1__ | |
| add r5,r0 | |
| jmp @r0 | |
| #else | |
| braf r5 | |
| #endif | |
| mov r4,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 |