1 /* Id: macdefs.h,v 1.26 2015/11/24 17:35:11 ragge Exp */ 2 /* $NetBSD: macdefs.h,v 1.1.1.5 2016/02/09 20:28:20 plunky Exp $ */ 3 /* 4 * Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se). 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * Machine-dependent defines for both passes. 32 */ 33 #define makecc(val,i) lastcon = (lastcon<<8)|((val<<8)>>8); 34 35 #define ARGINIT 40 /* # bits above fp where arguments start */ 36 #define AUTOINIT 0 /* # bits below fp where automatics start */ 37 38 /* 39 * Convert (multi-)character constant to integer. 40 * Assume: If only one value; store at left side (char size), otherwise 41 * treat it as an integer. 42 */ 43 44 /* 45 * Storage space requirements 46 */ 47 #define SZCHAR 8 48 #define SZINT 16 49 #define SZFLOAT 16 50 #define SZDOUBLE 16 51 #define SZLDOUBLE 16 52 #define SZLONG 32 53 #define SZSHORT 16 54 #define SZLONGLONG 32 55 /* pointers are of different sizes on m16c */ 56 #define SZPOINT(t) (ISFTN(DECREF(t)) ? 32 : 16) 57 58 /* 59 * Alignment constraints 60 */ 61 #define ALCHAR 8 62 #define ALINT 16 63 #define ALFLOAT 16 64 #define ALDOUBLE 16 65 #define ALLDOUBLE 16 66 #define ALLONG 16 67 #define ALLONGLONG 16 68 #define ALSHORT 16 69 #define ALPOINT 16 70 #define ALSTRUCT 16 71 #define ALSTACK 16 72 73 /* 74 * Min/max values. 75 */ 76 #define MIN_CHAR -128 77 #define MAX_CHAR 127 78 #define MAX_UCHAR 255 79 #define MIN_SHORT -32768 80 #define MAX_SHORT 32767 81 #define MAX_USHORT 65535 82 #define MIN_INT -32768 83 #define MAX_INT 32767 84 #define MAX_UNSIGNED 65535 85 #define MIN_LONG -2147483648 86 #define MAX_LONG 2147483647 87 #define MAX_ULONG 4294967295UL 88 #define MIN_LONGLONG -2147483648 89 #define MAX_LONGLONG 2147483647 90 #define MAX_ULONGLONG 4294967295UL 91 92 /* Default char is unsigned */ 93 #undef CHAR_UNSIGNED 94 95 /* 96 * Use large-enough types. 97 */ 98 typedef long long CONSZ; 99 typedef unsigned long long U_CONSZ; 100 typedef long long OFFSZ; 101 102 #define CONFMT "%lld" /* format for printing constants */ 103 #define LABFMT "L%d" /* format for printing labels */ 104 105 #define BACKAUTO /* stack grows negatively for automatics */ 106 #define BACKTEMP /* stack grows negatively for temporaries */ 107 108 #undef FIELDOPS /* no bit-field instructions */ 109 #define TARGET_ENDIAN TARGET_LE 110 111 /* Definitions mostly used in pass2 */ 112 113 #define BYTEOFF(x) 1 114 115 #define STOARG(p) 116 #define STOFARG(p) 117 #define STOSTARG(p) 118 #define genfcall(a,b) gencall(a,b) 119 120 #define szty(t) (((t) == LONG || (t) == ULONG || \ 121 (ISPTR(t) && ISFTN(DECREF(t)))) ? 2 : 1) 122 123 /* 124 * m16c register classes: 125 * A - 16-bit data registers R0-R3 126 * B - 16-bit address registers A0-A1 127 * C - 8-bit data registers R0H, R0L, R1H, R1L 128 */ 129 130 #define R0 0 131 #define R2 1 132 #define R1 2 133 #define R3 3 134 135 #define A0 4 136 #define A1 5 137 #define FB 6 138 #define SP 7 139 140 #define R0H 8 141 #define R0L 9 142 #define R1H 10 143 #define R1L 11 144 145 #define NUMCLASS 4 /* Number of register classes */ 146 147 #define RETREG(x) (x == CHAR || x == UCHAR ? R0L : R0) 148 149 #define FPREG FB /* frame pointer */ 150 #define STKREG SP /* stack pointer */ 151 152 #if 0 153 #define REGSZ 8 /* Number of registers */ 154 #define MINRVAR R1 /* first register variable */ 155 #define MAXRVAR R2 /* last register variable */ 156 #endif 157 158 #define MAXREGS 12 /* 12 registers */ 159 160 #define RSTATUS \ 161 SAREG|TEMPREG, SAREG|PERMREG, SAREG|TEMPREG, SAREG|PERMREG, \ 162 SBREG|TEMPREG, SBREG|PERMREG, 0, 0, SCREG, SCREG, SCREG, SCREG, 163 164 #define ROVERLAP \ 165 {R0H, R0L, -1},\ 166 {-1},\ 167 {R1H, R1L, -1},\ 168 {-1},\ 169 \ 170 {-1},\ 171 {-1},\ 172 \ 173 {-1},\ 174 {-1},\ 175 \ 176 {R0, -1},\ 177 {R0, -1},\ 178 {R1, -1},\ 179 {R1, -1}, 180 181 #define PCLASS(p) (p->n_type <= UCHAR ? SCREG : ISPTR(p->n_type) ? SBREG:SAREG) 182 183 int COLORMAP(int c, int *r); 184 #define GCLASS(x) (x < 4 ? CLASSA : x < 6 ? CLASSB : x < 12 ? CLASSC : CLASSD) 185 #define DECRA(x,y) (((x) >> (y*6)) & 63) /* decode encoded regs */ 186 #define ENCRD(x) (x) /* Encode dest reg in n_reg */ 187 #define ENCRA1(x) ((x) << 6) /* A1 */ 188 #define ENCRA2(x) ((x) << 12) /* A2 */ 189 #define ENCRA(x,y) ((x) << (6+y*6)) /* encode regs in int */ 190 191 #define MYADDEDGE(x, t) 192 193 #ifndef NEW_READER 194 //#define TAILCALL 195 #endif 196 #define SFTN (SPECIAL|6) 197 #define NATIVE_FLOATING_POINT 198