projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| f7287050 SL |
1 | /* |
| 2 | * Copyright (c) 1984 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef lint | |
| bd1e6d2e SL |
8 | static char sccsid[] = "@(#)machpats.c 1.2 (Berkeley) %G%"; |
| 9 | #endif | |
| f7287050 SL |
10 | |
| 11 | #include "inline.h" | |
| 12 | ||
| 13 | /* | |
| bd1e6d2e | 14 | * Pattern table for special instructions. |
| f7287050 SL |
15 | */ |
| 16 | struct pats machine_ptab[] = { | |
| 17 | ||
| bd1e6d2e | 18 | #if defined(vax) |
| f7287050 SL |
19 | { "3,_blkcpy\n", |
| 20 | " movl (sp)+,r1\n\ | |
| 21 | movl (sp)+,r3\n\ | |
| 22 | jbr 2f\n\ | |
| 23 | 1:\n\ | |
| 24 | subl2 r0,(sp)\n\ | |
| 25 | movc3 r0,(r1),(r3)\n\ | |
| 26 | 2:\n\ | |
| 27 | movzwl $65535,r0\n\ | |
| 28 | cmpl (sp),r0\n\ | |
| 29 | jgtr 1b\n\ | |
| 30 | movl (sp)+,r0\n\ | |
| 31 | movc3 r0,(r1),(r3)\n" }, | |
| 32 | ||
| 33 | { "3,_bcopy\n", | |
| 34 | " movl (sp)+,r1\n\ | |
| 35 | movl (sp)+,r3\n\ | |
| 36 | movl (sp)+,r5\n\ | |
| 37 | movc3 r5,(r1),(r3)\n" }, | |
| 38 | ||
| 39 | { "3,_ovbcopy\n", | |
| 40 | " movl (sp)+,r3\n\ | |
| 41 | movl (sp)+,r4\n\ | |
| 42 | movl (sp)+,r5\n\ | |
| 43 | movc3 r5,(r3),(r4)\n" }, | |
| 44 | ||
| 45 | { "3,_blkcmp\n", | |
| 46 | " movl (sp)+,r1\n\ | |
| 47 | movl (sp)+,r3\n\ | |
| 48 | jbr 2f\n\ | |
| 49 | 1:\n\ | |
| 50 | subl2 r0,(sp)\n\ | |
| 51 | cmpc3 r0,(r1),(r3)\n\ | |
| 52 | bneq 3f\n\ | |
| 53 | 2:\n\ | |
| 54 | movzwl $65535,r0\n\ | |
| 55 | cmpl (sp),r0\n\ | |
| 56 | jgtr 1b\n\ | |
| 57 | movl (sp)+,r0\n\ | |
| 58 | cmpc3 r0,(r1),(r3)\n\ | |
| 59 | 3:\n" }, | |
| 60 | ||
| 61 | { "3,_bcmp\n", | |
| 62 | " movl (sp)+,r1\n\ | |
| 63 | movl (sp)+,r3\n\ | |
| 64 | movl (sp)+,r5\n\ | |
| 65 | cmpc3 r5,(r1),(r3)\n" }, | |
| 66 | ||
| 67 | { "2,_blkclr\n", | |
| 68 | " movl (sp)+,r3\n\ | |
| 69 | jbr 2f\n\ | |
| 70 | 1:\n\ | |
| 71 | subl2 r0,(sp)\n\ | |
| 72 | movc5 $0,(r3),$0,r0,(r3)\n\ | |
| 73 | 2:\n\ | |
| 74 | movzwl $65535,r0\n\ | |
| 75 | cmpl (sp),r0\n\ | |
| 76 | jgtr 1b\n\ | |
| 77 | movl (sp)+,r0\n\ | |
| 78 | movc5 $0,(r3),$0,r0,(r3)\n" }, | |
| 79 | ||
| 80 | { "2,_bzero\n", | |
| 81 | " movl (sp)+,r3\n\ | |
| 82 | movl (sp)+,r5\n\ | |
| 83 | movc5 $0,(r3),$0,r5,(r3)\n" }, | |
| 84 | ||
| 85 | { "3,_llocc\n", | |
| 86 | " movl (sp)+,r4\n\ | |
| 87 | movl (sp)+,r5\n\ | |
| 88 | movl (sp)+,r1\n\ | |
| 89 | 1:\n\ | |
| 90 | movzwl $65535,r0\n\ | |
| 91 | cmpl r5,r0\n\ | |
| 92 | jleq 1f\n\ | |
| 93 | subl2 r0,r5\n\ | |
| 94 | locc r4,r0,(r1)\n\ | |
| 95 | jeql 1b\n\ | |
| 96 | addl2 r5,r0\n\ | |
| 97 | jbr 2f\n\ | |
| 98 | 1:\n\ | |
| 99 | locc r4,r5,(r1)\n\ | |
| 100 | 2:\n" }, | |
| 101 | ||
| 102 | { "3,_locc\n", | |
| 103 | " movl (sp)+,r3\n\ | |
| 104 | movl (sp)+,r4\n\ | |
| 105 | movl (sp)+,r5\n\ | |
| 106 | locc r3,r4,(r5)\n" }, | |
| 107 | ||
| 108 | { "4,_scanc\n", | |
| 109 | " movl (sp)+,r2\n\ | |
| 110 | movl (sp)+,r3\n\ | |
| 111 | movl (sp)+,r4\n\ | |
| 112 | movl (sp)+,r5\n\ | |
| 113 | scanc r2,(r3),(r4),r5\n" }, | |
| 114 | ||
| 115 | { "3,_skpc\n", | |
| 116 | " movl (sp)+,r3\n\ | |
| 117 | movl (sp)+,r4\n\ | |
| 118 | movl (sp)+,r5\n\ | |
| 119 | skpc r3,r4,(r5)\n" }, | |
| 120 | ||
| 121 | { "2,_insque\n", | |
| 122 | " movl (sp)+,r4\n\ | |
| 123 | movl (sp)+,r5\n\ | |
| 124 | insque (r4),(r5)\n" }, | |
| 125 | ||
| 126 | { "1,_remque\n", | |
| 127 | " movl (sp)+,r5\n\ | |
| 128 | remque (r5),r0\n" }, | |
| bd1e6d2e | 129 | #endif |
| f7287050 | 130 | |
| bd1e6d2e SL |
131 | #if defined(tahoe) |
| 132 | { "16,_blkcpy\n", | |
| 133 | " movl (sp)+,r0\n\ | |
| 134 | movl (sp)+,r1\n\ | |
| 135 | movl (sp)+,r2\n\ | |
| 136 | movblk\n" }, | |
| 137 | ||
| 138 | { "16,_bcopy\n", | |
| 139 | " movl (sp)+,r0\n\ | |
| 140 | movl (sp)+,r1\n\ | |
| 141 | movl (sp)+,r2\n\ | |
| 142 | movblk\n" }, | |
| 143 | ||
| 144 | { "12,_bzero\n", | |
| 145 | " movl (sp)+,r1\n\ | |
| 146 | movl (sp)+,r2\n\ | |
| 147 | movab 1f,r0\n\ | |
| 148 | movs3\n\ | |
| 149 | .data\n\ | |
| 150 | 1: .byte 0\n\ | |
| 151 | .text\n" }, | |
| 152 | ||
| 153 | { "12,_blkclr\n", | |
| 154 | " movl (sp)+,r1\n\ | |
| 155 | movl (sp)+,r2\n\ | |
| 156 | movab 1f,r0\n\ | |
| 157 | movs3\n\ | |
| 158 | .data\n\ | |
| 159 | 1: .byte 0\n\ | |
| 160 | .text\n" }, | |
| 161 | #endif | |
| 162 | ||
| 163 | #if defined(mc68000) | |
| f7287050 | 164 | /* someday... */ |
| bd1e6d2e | 165 | #endif |
| f7287050 SL |
166 | |
| 167 | { "", "" } | |
| 168 | }; |