1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 3 2004, 2005, 2006 4 Free Software Foundation, Inc. 5 */ 6 7 !! libgcc routines for the Renesas / SuperH SH CPUs. 8 !! Contributed by Steve Chamberlain. 9 !! sac@cygnus.com 10 11 !! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines 12 !! recoded in assembly by Toshiyasu Morita 13 !! tm@netcom.com 14 15 /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and 16 ELF local label prefixes by J"orn Rennecke 17 amylaar (at) cygnus.com */ 18 19 ! 20 ! GLOBAL(ashlsi3) 21 ! 22 ! Entry: 23 ! 24 ! r4: Value to shift 25 ! r5: Shifts 26 ! 27 ! Exit: 28 ! 29 ! r0: Result 30 ! 31 ! Destroys: 32 ! 33 ! (none) 34 ! 35 .global __ashlsi3 36 .align 2 37 __ashlsi3: 38 mov #31,r0 39 and r0,r5 40 mova __ashlsi3_table,r0 41 mov.b @(r0,r5),r5 42 #ifdef __sh1__ 43 add r5,r0 44 jmp @r0 45 #else 46 braf r5 47 #endif 48 mov r4,r0 49 50 .align 2 51 __ashlsi3_table: 52 .byte __ashlsi3_0-__ashlsi3_table 53 .byte __ashlsi3_1-__ashlsi3_table 54 .byte __ashlsi3_2-__ashlsi3_table 55 .byte __ashlsi3_3-__ashlsi3_table 56 .byte __ashlsi3_4-__ashlsi3_table 57 .byte __ashlsi3_5-__ashlsi3_table 58 .byte __ashlsi3_6-__ashlsi3_table 59 .byte __ashlsi3_7-__ashlsi3_table 60 .byte __ashlsi3_8-__ashlsi3_table 61 .byte __ashlsi3_9-__ashlsi3_table 62 .byte __ashlsi3_10-__ashlsi3_table 63 .byte __ashlsi3_11-__ashlsi3_table 64 .byte __ashlsi3_12-__ashlsi3_table 65 .byte __ashlsi3_13-__ashlsi3_table 66 .byte __ashlsi3_14-__ashlsi3_table 67 .byte __ashlsi3_15-__ashlsi3_table 68 .byte __ashlsi3_16-__ashlsi3_table 69 .byte __ashlsi3_17-__ashlsi3_table 70 .byte __ashlsi3_18-__ashlsi3_table 71 .byte __ashlsi3_19-__ashlsi3_table 72 .byte __ashlsi3_20-__ashlsi3_table 73 .byte __ashlsi3_21-__ashlsi3_table 74 .byte __ashlsi3_22-__ashlsi3_table 75 .byte __ashlsi3_23-__ashlsi3_table 76 .byte __ashlsi3_24-__ashlsi3_table 77 .byte __ashlsi3_25-__ashlsi3_table 78 .byte __ashlsi3_26-__ashlsi3_table 79 .byte __ashlsi3_27-__ashlsi3_table 80 .byte __ashlsi3_28-__ashlsi3_table 81 .byte __ashlsi3_29-__ashlsi3_table 82 .byte __ashlsi3_30-__ashlsi3_table 83 .byte __ashlsi3_31-__ashlsi3_table 84 85 __ashlsi3_6: 86 shll2 r0 87 __ashlsi3_4: 88 shll2 r0 89 __ashlsi3_2: 90 rts 91 shll2 r0 92 93 __ashlsi3_7: 94 shll2 r0 95 __ashlsi3_5: 96 shll2 r0 97 __ashlsi3_3: 98 shll2 r0 99 __ashlsi3_1: 100 rts 101 shll r0 102 103 __ashlsi3_14: 104 shll2 r0 105 __ashlsi3_12: 106 shll2 r0 107 __ashlsi3_10: 108 shll2 r0 109 __ashlsi3_8: 110 rts 111 shll8 r0 112 113 __ashlsi3_15: 114 shll2 r0 115 __ashlsi3_13: 116 shll2 r0 117 __ashlsi3_11: 118 shll2 r0 119 __ashlsi3_9: 120 shll8 r0 121 rts 122 shll r0 123 124 __ashlsi3_22: 125 shll2 r0 126 __ashlsi3_20: 127 shll2 r0 128 __ashlsi3_18: 129 shll2 r0 130 __ashlsi3_16: 131 rts 132 shll16 r0 133 134 __ashlsi3_23: 135 shll2 r0 136 __ashlsi3_21: 137 shll2 r0 138 __ashlsi3_19: 139 shll2 r0 140 __ashlsi3_17: 141 shll16 r0 142 rts 143 shll r0 144 145 __ashlsi3_30: 146 shll2 r0 147 __ashlsi3_28: 148 shll2 r0 149 __ashlsi3_26: 150 shll2 r0 151 __ashlsi3_24: 152 shll16 r0 153 rts 154 shll8 r0 155 156 __ashlsi3_31: 157 shll2 r0 158 __ashlsi3_29: 159 shll2 r0 160 __ashlsi3_27: 161 shll2 r0 162 __ashlsi3_25: 163 shll16 r0 164 shll8 r0 165 rts 166 shll r0 167 168 __ashlsi3_0: 169 rts 170 nop 171
