/*- * Copyright (c) 1991 The Regents of the University of California. * All rights reserved. * * This module is believed to contain source code proprietary to AT&T. * Use and redistribution is subject to the Berkeley Software License * Agreement and your Software Agreement with AT&T (Western Electric). */ #ifndef lint static char optab_sccsid[] = "@(#)optab.c 4.7 (Berkeley) 4/11/91"; #endif /* not lint */ /* * adb - (read-only) tables for VAX instruction decoding */ #define ADB #undef INSTTAB /* * Pick up definitions for insttab from the assembler, and also * the arrays ty_NORELOC and ty_nbyte (and soon ty_float); * then, make insttab. */ #include <sys/types.h> #include "instrs.h" #include "assizetab.c" struct insttab insttab[] = { #include "instrs.adb" 0 }; /* * Register names, and floating point immediate constants. * The f.p. constants can be derived from the expression * * fp = (.5 + (n & 7) / 16.0) x (2 ^ (n >> 3)) * * or, alternatively, * * union { int i; float f; } u; u.i = (n << 3) | (1 << 14); u.f * * but there are only 64 of them, and this is simpler. */ char *regname[16] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10","r11","ap", "fp", "sp", "pc" }; char *fltimm[64] = { "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875", "0.9375", "1.0", "1.125", "1.25", "1.375", "1.5", "1.625", "1.75", "1.875", "2.0", "2.25", "2.5", "2.75", "3.0", "3.25", "3.5", "3.75", "4.0", "4.5", "5.0", "5.5", "6.0", "6.5", "7.0", "7.5", "8.0", "9.0", "10.0", "11.0", "12.0", "13.0", "14.0", "15.0", "16.0", "18.0", "20.0", "22.0", "24.0", "26.0", "28.0", "30.0", "32.0", "36.0", "40.0", "44.0", "48.0", "52.0", "56.0", "60.0", "64.0", "72.0", "80.0", "88.0", "96.0", "104.0", "112.0", "120.0" };