| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH GCC-exception-2.0 |
| 2 | |
| 3 | Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 4 | 2004, 2005, 2006 |
| 5 | Free Software Foundation, Inc. |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 6 | */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 7 | |
| 8 | !! libgcc routines for the Renesas / SuperH SH CPUs. |
| 9 | !! Contributed by Steve Chamberlain. |
| 10 | !! sac@cygnus.com |
| 11 | |
| 12 | !! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines |
| 13 | !! recoded in assembly by Toshiyasu Morita |
| 14 | !! tm@netcom.com |
| 15 | |
| 16 | /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and |
| 17 | ELF local label prefixes by J"orn Rennecke |
| 18 | amylaar@cygnus.com */ |
| 19 | |
| 20 | ! |
| 21 | ! __ashlsi3 |
| 22 | ! |
| 23 | ! Entry: |
| 24 | ! |
| 25 | ! r4: Value to shift |
| 26 | ! r5: Shifts |
| 27 | ! |
| 28 | ! Exit: |
| 29 | ! |
| 30 | ! r0: Result |
| 31 | ! |
| 32 | ! Destroys: |
| 33 | ! |
| 34 | ! (none) |
| 35 | ! |
| 36 | ! __ashlsi3_r0 |
| 37 | ! |
| 38 | ! Entry: |
| 39 | ! |
| 40 | ! r4: Value to shift |
| 41 | ! r0: Shifts |
| 42 | ! |
| 43 | ! Exit: |
| 44 | ! |
| 45 | ! r0: Result |
| 46 | ! |
| 47 | ! Destroys: |
| 48 | ! |
| 49 | ! (none) |
| 50 | |
| 51 | |
| 52 | .global __ashlsi3 |
| 53 | .global __ashlsi3_r0 |
| 54 | |
| 55 | .align 2 |
| 56 | __ashlsi3: |
| 57 | mov r5,r0 |
| 58 | .align 2 |
| 59 | __ashlsi3_r0: |
| 60 | and #31,r0 |
| 61 | mov.l r4,@-r15 |
| 62 | mov r0,r4 |
| 63 | mova ashlsi3_table,r0 |
| 64 | mov.b @(r0,r4),r4 |
| 65 | add r4,r0 |
| 66 | jmp @r0 |
| 67 | mov.l @r15+,r0 |
| 68 | |
| 69 | .align 2 |
| 70 | ashlsi3_table: |
| 71 | .byte ashlsi3_0-ashlsi3_table |
| 72 | .byte ashlsi3_1-ashlsi3_table |
| 73 | .byte ashlsi3_2-ashlsi3_table |
| 74 | .byte ashlsi3_3-ashlsi3_table |
| 75 | .byte ashlsi3_4-ashlsi3_table |
| 76 | .byte ashlsi3_5-ashlsi3_table |
| 77 | .byte ashlsi3_6-ashlsi3_table |
| 78 | .byte ashlsi3_7-ashlsi3_table |
| 79 | .byte ashlsi3_8-ashlsi3_table |
| 80 | .byte ashlsi3_9-ashlsi3_table |
| 81 | .byte ashlsi3_10-ashlsi3_table |
| 82 | .byte ashlsi3_11-ashlsi3_table |
| 83 | .byte ashlsi3_12-ashlsi3_table |
| 84 | .byte ashlsi3_13-ashlsi3_table |
| 85 | .byte ashlsi3_14-ashlsi3_table |
| 86 | .byte ashlsi3_15-ashlsi3_table |
| 87 | .byte ashlsi3_16-ashlsi3_table |
| 88 | .byte ashlsi3_17-ashlsi3_table |
| 89 | .byte ashlsi3_18-ashlsi3_table |
| 90 | .byte ashlsi3_19-ashlsi3_table |
| 91 | .byte ashlsi3_20-ashlsi3_table |
| 92 | .byte ashlsi3_21-ashlsi3_table |
| 93 | .byte ashlsi3_22-ashlsi3_table |
| 94 | .byte ashlsi3_23-ashlsi3_table |
| 95 | .byte ashlsi3_24-ashlsi3_table |
| 96 | .byte ashlsi3_25-ashlsi3_table |
| 97 | .byte ashlsi3_26-ashlsi3_table |
| 98 | .byte ashlsi3_27-ashlsi3_table |
| 99 | .byte ashlsi3_28-ashlsi3_table |
| 100 | .byte ashlsi3_29-ashlsi3_table |
| 101 | .byte ashlsi3_30-ashlsi3_table |
| 102 | .byte ashlsi3_31-ashlsi3_table |
| 103 | |
| 104 | ashlsi3_6: |
| 105 | shll2 r0 |
| 106 | ashlsi3_4: |
| 107 | shll2 r0 |
| 108 | ashlsi3_2: |
| 109 | rts |
| 110 | shll2 r0 |
| 111 | |
| 112 | ashlsi3_7: |
| 113 | shll2 r0 |
| 114 | ashlsi3_5: |
| 115 | shll2 r0 |
| 116 | ashlsi3_3: |
| 117 | shll2 r0 |
| 118 | ashlsi3_1: |
| 119 | rts |
| 120 | shll r0 |
| 121 | |
| 122 | ashlsi3_14: |
| 123 | shll2 r0 |
| 124 | ashlsi3_12: |
| 125 | shll2 r0 |
| 126 | ashlsi3_10: |
| 127 | shll2 r0 |
| 128 | ashlsi3_8: |
| 129 | rts |
| 130 | shll8 r0 |
| 131 | |
| 132 | ashlsi3_15: |
| 133 | shll2 r0 |
| 134 | ashlsi3_13: |
| 135 | shll2 r0 |
| 136 | ashlsi3_11: |
| 137 | shll2 r0 |
| 138 | ashlsi3_9: |
| 139 | shll8 r0 |
| 140 | rts |
| 141 | shll r0 |
| 142 | |
| 143 | ashlsi3_22: |
| 144 | shll2 r0 |
| 145 | ashlsi3_20: |
| 146 | shll2 r0 |
| 147 | ashlsi3_18: |
| 148 | shll2 r0 |
| 149 | ashlsi3_16: |
| 150 | rts |
| 151 | shll16 r0 |
| 152 | |
| 153 | ashlsi3_23: |
| 154 | shll2 r0 |
| 155 | ashlsi3_21: |
| 156 | shll2 r0 |
| 157 | ashlsi3_19: |
| 158 | shll2 r0 |
| 159 | ashlsi3_17: |
| 160 | shll16 r0 |
| 161 | rts |
| 162 | shll r0 |
| 163 | |
| 164 | ashlsi3_30: |
| 165 | shll2 r0 |
| 166 | ashlsi3_28: |
| 167 | shll2 r0 |
| 168 | ashlsi3_26: |
| 169 | shll2 r0 |
| 170 | ashlsi3_24: |
| 171 | shll16 r0 |
| 172 | rts |
| 173 | shll8 r0 |
| 174 | |
| 175 | ashlsi3_31: |
| 176 | shll2 r0 |
| 177 | ashlsi3_29: |
| 178 | shll2 r0 |
| 179 | ashlsi3_27: |
| 180 | shll2 r0 |
| 181 | ashlsi3_25: |
| 182 | shll16 r0 |
| 183 | shll8 r0 |
| 184 | rts |
| 185 | shll r0 |
| 186 | |
| 187 | ashlsi3_0: |
| 188 | rts |
| 189 | nop |