1 /* jit/powerpc/codegen.h - code generation macros and definitions for
4 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
5 Institut f. Computersprachen, TU Wien
6 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
7 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
8 P. Tomsich, J. Wenninger
10 This file is part of CACAO.
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License as
14 published by the Free Software Foundation; either version 2, or (at
15 your option) any later version.
17 This program is distributed in the hope that it will be useful, but
18 WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27 Contact: cacao@complang.tuwien.ac.at
29 Authors: Andreas Krall
32 $Id: codegen.h 598 2003-11-09 20:12:22Z twisti $
43 /* see also file calling.doc for explanation of calling conventions */
45 /* preallocated registers *****************************************************/
47 /* integer registers */
49 #define REG_RESULT 3 /* to deliver method results */
51 //#define REG_RA 26 /* return address */
52 #define REG_PV 13 /* procedure vector, must be provided by caller */
53 #define REG_METHODPTR 12 /* pointer to the place from where the procedure */
54 /* vector has been fetched */
55 #define REG_ITMP1 11 /* temporary register */
56 #define REG_ITMP2 12 /* temporary register and method pointer */
57 #define REG_ITMP3 0 /* temporary register */
59 #define REG_ITMP1_XPTR 11 /* exception pointer = temporary register 1 */
60 #define REG_ITMP2_XPC 12 /* exception pc = temporary register 2 */
62 #define REG_SP 1 /* stack pointer */
63 #define REG_ZERO 0 /* allways zero */
65 /* floating point registers */
67 #define REG_FRESULT 1 /* to deliver floating point method results */
68 #define REG_FTMP1 16 /* temporary floating point register */
69 #define REG_FTMP2 17 /* temporary floating point register */
70 #define REG_FTMP3 0 /* temporary floating point register */
72 #define REG_IFTMP 0 /* temporary integer and floating point register */
75 //#define INT_SAV_CNT 19 /* number of int callee saved registers */
76 #define INT_ARG_CNT 8 /* number of int argument registers */
78 //#define FLT_SAV_CNT 18 /* number of flt callee saved registers */
79 #define FLT_ARG_CNT 13 /* number of flt argument registers */
82 /* macros to create code ******************************************************/
84 #define M_OP3(x,y,oe,rc,d,a,b) \
85 *mcodeptr++ = (((x)<<26) | ((d)<<21) | ((a)<<16) | ((b)<<11) | ((oe)<<10) | ((y)<<1) | (rc))
87 #define M_OP4(x,y,rc,d,a,b,c) \
88 *mcodeptr++ = (((x)<<26) | ((d)<<21) | ((a)<<16) | ((b)<<11) | ((c)<<6) | ((y)<<1) | (rc))
90 #define M_OP2_IMM(x,d,a,i) \
91 *mcodeptr++ = (((x)<<26) | ((d)<<21) | ((a)<<16) | ((i)&0xffff))
93 #define M_BRMASK (((1<<16)-1)&~3)
94 #define M_BRAMASK (((1<<26)-1)&~3)
96 #define M_BRA(x,i,a,l) \
97 *mcodeptr++ = (((x)<<26) | (((i)*4+4)&M_BRAMASK) | ((a)<<1) | (l));
99 #define M_BRAC(x,bo,bi,i,a,l) \
100 *mcodeptr++ = (((x)<<26) | ((bo)<<21) | ((bi)<<16) | (((i)*4+4)&M_BRMASK) | ((a)<<1) | (l));
102 #define M_IADD(a,b,c) M_OP3(31, 266, 0, 0, c, a, b)
103 #define M_IADD_IMM(a,b,c) M_OP2_IMM(14, c, a, b)
104 #define M_ADDC(a,b,c) M_OP3(31, 10, 0, 0, c, a, b)
105 #define M_ADDIC(a,b,c) M_OP2_IMM(12, c, a, b)
106 #define M_ADDICTST(a,b,c) M_OP2_IMM(13, c, a, b)
107 #define M_ADDE(a,b,c) M_OP3(31, 138, 0, 0, c, a, b)
108 #define M_ADDZE(a,b) M_OP3(31, 202, 0, 0, b, a, 0)
109 #define M_ADDME(a,b) M_OP3(31, 234, 0, 0, b, a, 0)
110 #define M_ISUB(a,b,c) M_OP3(31, 40, 0, 0, c, b, a)
111 #define M_ISUBTST(a,b,c) M_OP3(31, 40, 0, 1, c, b, a)
112 #define M_SUBC(a,b,c) M_OP3(31, 8, 0, 0, c, b, a)
113 #define M_SUBIC(a,b,c) M_OP2_IMM(8, c, b, a)
114 #define M_SUBE(a,b,c) M_OP3(31, 136, 0, 0, c, b, a)
115 #define M_SUBZE(a,b) M_OP3(31, 200, 0, 0, b, a, 0)
116 #define M_SUBME(a,b) M_OP3(31, 232, 0, 0, b, a, 0)
117 #define M_AND(a,b,c) M_OP3(31, 28, 0, 0, a, c, b)
118 #define M_AND_IMM(a,b,c) M_OP2_IMM(28, a, c, b)
119 #define M_ANDIS(a,b,c) M_OP2_IMM(29, a, c, b)
120 #define M_OR(a,b,c) M_OP3(31, 444, 0, 0, a, c, b)
121 #define M_OR_IMM(a,b,c) M_OP2_IMM(24, a, c, b)
122 #define M_ORIS(a,b,c) M_OP2_IMM(25, a, c, b)
123 #define M_XOR(a,b,c) M_OP3(31, 316, 0, 0, a, c, b)
124 #define M_XOR_IMM(a,b,c) M_OP2_IMM(26, a, c, b)
125 #define M_XORIS(a,b,c) M_OP2_IMM(27, a, c, b)
126 #define M_SLL(a,b,c) M_OP3(31, 24, 0, 0, a, c, b)
127 #define M_SRL(a,b,c) M_OP3(31, 536, 0, 0, a, c, b)
128 #define M_SRA(a,b,c) M_OP3(31, 792, 0, 0, a, c, b)
129 #define M_SRA_IMM(a,b,c) M_OP3(31, 824, 0, 0, a, c, b)
130 #define M_IMUL(a,b,c) M_OP3(31, 235, 0, 0, c, a, b)
131 #define M_IMUL_IMM(a,b,c) M_OP2_IMM(7, c, a, b)
132 #define M_IDIV(a,b,c) M_OP3(31, 491, 0, 0, c, a, b)
133 #define M_NEG(a,b) M_OP3(31, 104, 0, 0, b, a, 0)
134 #define M_NOT(a,b) M_OP3(31, 124, 0, 0, a, b, a)
136 #define M_SUBFIC(a,b,c) M_OP2_IMM(8, c, a, b)
137 #define M_SUBFZE(a,b) M_OP3(31, 200, 0, 0, b, a, 0)
138 #define M_RLWINM(a,b,c,d,e) M_OP4(21, d, 0, a, e, b, c)
139 #define M_ADDZE(a,b) M_OP3(31, 202, 0, 0, b, a, 0)
140 #define M_SLL_IMM(a,b,c) M_RLWINM(a,b,0,31-(b),c)
141 #define M_SRL_IMM(a,b,c) M_RLWINM(a,32-(b),b,31,c)
142 #define M_ADDIS(a,b,c) M_OP2_IMM(15, c, a, b)
143 #define M_STFIWX(a,b,c) M_OP3(31, 983, 0, 0, a, b, c)
144 #define M_LWZX(a,b,c) M_OP3(31, 23, 0, 0, a, b, c)
145 #define M_LHZX(a,b,c) M_OP3(31, 279, 0, 0, a, b, c)
146 #define M_LHAX(a,b,c) M_OP3(31, 343, 0, 0, a, b, c)
147 #define M_LBZX(a,b,c) M_OP3(31, 87, 0, 0, a, b, c)
148 #define M_LFSX(a,b,c) M_OP3(31, 535, 0, 0, a, b, c)
149 #define M_LFDX(a,b,c) M_OP3(31, 599, 0, 0, a, b, c)
150 #define M_STWX(a,b,c) M_OP3(31, 151, 0, 0, a, b, c)
151 #define M_STHX(a,b,c) M_OP3(31, 407, 0, 0, a, b, c)
152 #define M_STBX(a,b,c) M_OP3(31, 215, 0, 0, a, b, c)
153 #define M_STFSX(a,b,c) M_OP3(31, 663, 0, 0, a, b, c)
154 #define M_STFDX(a,b,c) M_OP3(31, 727, 0, 0, a, b, c)
155 #define M_STWU(a,b,c) M_OP2_IMM(37, a, b, c)
156 #define M_LDAH(a,b,c) M_ADDIS(b, c, a)
157 #define M_TRAP M_OP3(31, 4, 0, 0, 31, 0, 0)
159 #define M_NOP M_OR_IMM(0, 0, 0)
160 #define M_MOV(a,b) M_OR(a, a, b)
161 #define M_TST(a) M_OP3(31, 444, 0, 1, a, a, a)
163 #define M_DADD(a,b,c) M_OP3(63, 21, 0, 0, c, a, b)
164 #define M_FADD(a,b,c) M_OP3(59, 21, 0, 0, c, a, b)
165 #define M_DSUB(a,b,c) M_OP3(63, 20, 0, 0, c, a, b)
166 #define M_FSUB(a,b,c) M_OP3(59, 20, 0, 0, c, a, b)
167 #define M_DMUL(a,b,c) M_OP4(63, 25, 0, c, a, 0, b)
168 #define M_FMUL(a,b,c) M_OP4(59, 25, 0, c, a, 0, b)
169 #define M_DDIV(a,b,c) M_OP3(63, 18, 0, 0, c, a, b)
170 #define M_FDIV(a,b,c) M_OP3(59, 18, 0, 0, c, a, b)
172 #define M_FABS(a,b) M_OP3(63, 264, 0, 0, b, 0, a)
173 #define M_CVTDL(a,b) M_OP3(63, 14, 0, 0, b, 0, a)
174 #define M_CVTDL_C(a,b) M_OP3(63, 15, 0, 0, b, 0, a)
175 #define M_CVTDF(a,b) M_OP3(63, 12, 0, 0, b, 0, a)
176 #define M_FMOV(a,b) M_OP3(63, 72, 0, 0, b, 0, a)
177 #define M_FMOVN(a,b) M_OP3(63, 40, 0, 0, b, 0, a)
178 #define M_DSQRT(a,b) M_OP3(63, 22, 0, 0, b, 0, a)
179 #define M_FSQRT(a,b) M_OP3(59, 22, 0, 0, b, 0, a)
181 #define M_FCMPU(a,b) M_OP3(63, 0, 0, 0, 0, a, b)
182 #define M_FCMPO(a,b) M_OP3(63, 32, 0, 0, 0, a, b)
184 #define M_BST(a,b,c) M_OP2_IMM(38, a, b, c)
185 #define M_SST(a,b,c) M_OP2_IMM(44, a, b, c)
186 #define M_IST(a,b,c) M_OP2_IMM(36, a, b, c)
187 #define M_AST(a,b,c) M_OP2_IMM(36, a, b, c)
188 #define M_BLDU(a,b,c) M_OP2_IMM(34, a, b, c)
189 #define M_SLDU(a,b,c) M_OP2_IMM(40, a, b, c)
190 #define M_ILD(a,b,c) M_OP2_IMM(32, a, b, c)
191 #define M_ALD(a,b,c) M_OP2_IMM(32, a, b, c)
193 #define M_BSEXT(a,b) M_OP3(31, 954, 0, 0, a, b, 0)
194 #define M_SSEXT(a,b) M_OP3(31, 922, 0, 0, a, b, 0)
195 #define M_CZEXT(a,b) M_RLWINM(a,0,16,31,b)
197 #define M_BR(a) M_BRA(18, a, 0, 0);
198 #define M_BL(a) M_BRA(18, a, 0, 1);
199 #define M_RET M_OP3(19, 16, 0, 0, 20, 0, 0);
200 #define M_JSR M_OP3(19, 528, 0, 1, 20, 0, 0);
201 #define M_RTS M_OP3(19, 528, 0, 0, 20, 0, 0);
203 #define M_CMP(a,b) M_OP3(31, 0, 0, 0, 0, a, b);
204 #define M_CMPU(a,b) M_OP3(31, 32, 0, 0, 0, a, b);
205 #define M_CMPI(a,b) M_OP2_IMM(11, 0, a, b);
206 #define M_CMPUI(a,b) M_OP2_IMM(10, 0, a, b);
208 #define M_BLT(a) M_BRAC(16, 12, 0, a, 0, 0);
209 #define M_BLE(a) M_BRAC(16, 4, 1, a, 0, 0);
210 #define M_BGT(a) M_BRAC(16, 12, 1, a, 0, 0);
211 #define M_BGE(a) M_BRAC(16, 4, 0, a, 0, 0);
212 #define M_BEQ(a) M_BRAC(16, 12, 2, a, 0, 0);
213 #define M_BNE(a) M_BRAC(16, 4, 2, a, 0, 0);
214 #define M_BNAN(a) M_BRAC(16, 12, 3, a, 0, 0);
216 #define M_DLD(a,b,c) M_OP2_IMM(50, a, b, c)
217 #define M_DST(a,b,c) M_OP2_IMM(54, a, b, c)
218 #define M_FLD(a,b,c) M_OP2_IMM(48, a, b, c)
219 #define M_FST(a,b,c) M_OP2_IMM(52, a, b, c)
221 #define M_MFLR(a) M_OP3(31, 339, 0, 0, a, 8, 0)
222 #define M_MFXER(a) M_OP3(31, 339, 0, 0, a, 1, 0)
223 #define M_MFCTR(a) M_OP3(31, 339, 0, 0, a, 9, 0)
224 #define M_MTLR(a) M_OP3(31, 467, 0, 0, a, 8, 0)
225 #define M_MTXER(a) M_OP3(31, 467, 0, 0, a, 1, 0)
226 #define M_MTCTR(a) M_OP3(31, 467, 0, 0, a, 9, 0)
228 #define M_LDA(a,b,c) M_IADD_IMM(b, c, a)
229 #define M_LDATST(a,b,c) M_ADDICTST(b, c, a)
230 #define M_CLR(a) M_IADD_IMM(0, 0, a)
232 /* function gen_resolvebranch **************************************************
234 parameters: ip ... pointer to instruction after branch (void*)
235 so ... offset of instruction after branch (s4)
236 to ... offset of branch target (s4)
238 *******************************************************************************/
240 #define gen_resolvebranch(ip,so,to) \
241 *((s4*)(ip)-1)=(*((s4*)(ip)-1) & ~M_BRMASK) | (((s4)((to)-(so))+4)&((((*((s4*)(ip)-1)>>26)&63)==18)?M_BRAMASK:M_BRMASK))
243 #define SOFTNULLPTRCHECK /* soft null pointer check supported as option */
246 /* function prototypes */
247 void docacheflush(u1 *p, long bytelen);
249 #endif /* _CODEGEN_H */
253 * These are local overrides for various environment variables in Emacs.
254 * Please do not remove this and leave it at the end of the file, where
255 * Emacs will automagically detect them.
256 * ---------------------------------------------------------------------
259 * indent-tabs-mode: t