1 /* src/vm/jit/emit-common.hpp - common code emitter functions
3 Copyright (C) 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 #ifndef _EMIT_COMMON_H
27 #define _EMIT_COMMON_H
34 #include "vm/jit/codegen-common.hpp"
35 #include "vm/jit/jit.hpp"
38 /* branch labels **************************************************************/
40 #define BRANCH_LABEL_1 1
41 #define BRANCH_LABEL_2 2
42 #define BRANCH_LABEL_3 3
43 #define BRANCH_LABEL_4 4
44 #define BRANCH_LABEL_5 5
45 #define BRANCH_LABEL_6 6
46 #define BRANCH_LABEL_7 7
47 #define BRANCH_LABEL_8 8
48 #define BRANCH_LABEL_9 9
49 #define BRANCH_LABEL_10 10
52 /* constant range macros ******************************************************/
54 #if SIZEOF_VOID_P == 8
57 (((s8) (c) >= -128) && ((s8) (c) <= 127))
59 # define IS_IMM32(c) \
60 (((s8) (c) >= (-2147483647-1)) && ((s8) (c) <= 2147483647))
65 (((s4) (c) >= -128) && ((s4) (c) <= 127))
67 # define IS_IMM16(c) \
68 (((s4) (c) >= -32768) && ((s4) (c) <= 32767))
73 /* code generation functions **************************************************/
79 s4 emit_load(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
80 s4 emit_load_s1(jitdata *jd, instruction *iptr, s4 tempreg);
81 s4 emit_load_s2(jitdata *jd, instruction *iptr, s4 tempreg);
82 s4 emit_load_s3(jitdata *jd, instruction *iptr, s4 tempreg);
84 #if SIZEOF_VOID_P == 4
85 s4 emit_load_low(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
86 s4 emit_load_s1_low(jitdata *jd, instruction *iptr, s4 tempreg);
87 s4 emit_load_s2_low(jitdata *jd, instruction *iptr, s4 tempreg);
88 s4 emit_load_s3_low(jitdata *jd, instruction *iptr, s4 tempreg);
90 s4 emit_load_high(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
91 s4 emit_load_s1_high(jitdata *jd, instruction *iptr, s4 tempreg);
92 s4 emit_load_s2_high(jitdata *jd, instruction *iptr, s4 tempreg);
93 s4 emit_load_s3_high(jitdata *jd, instruction *iptr, s4 tempreg);
96 void emit_store(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
97 void emit_store_dst(jitdata *jd, instruction *iptr, s4 d);
99 #if SIZEOF_VOID_P == 4
100 void emit_store_low(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
101 void emit_store_high(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
104 void emit_copy(jitdata *jd, instruction *iptr);
106 void emit_iconst(codegendata *cd, s4 d, s4 value);
107 void emit_lconst(codegendata *cd, s4 d, s8 value);
109 /* branch-emitting functions */
110 void emit_bccz(codegendata *cd, basicblock *target, s4 condition, s4 reg, u4 options);
111 void emit_bcc(codegendata *cd, basicblock *target, s4 condition, u4 options);
113 /* wrapper for unconditional branches */
114 void emit_br(codegendata *cd, basicblock *target);
116 /* wrappers for branches on one integer register */
118 #if SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER
119 void emit_beqz(codegendata *cd, basicblock *target, s4 reg);
120 void emit_bnez(codegendata *cd, basicblock *target, s4 reg);
121 void emit_bltz(codegendata *cd, basicblock *target, s4 reg);
122 void emit_bgez(codegendata *cd, basicblock *target, s4 reg);
123 void emit_bgtz(codegendata *cd, basicblock *target, s4 reg);
124 void emit_blez(codegendata *cd, basicblock *target, s4 reg);
127 /* wrappers for branches on two integer registers */
129 #if SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS
130 void emit_beq(codegendata *cd, basicblock *target, s4 s1, s4 s2);
131 void emit_bne(codegendata *cd, basicblock *target, s4 s1, s4 s2);
134 /* wrappers for branches on condition codes */
136 #if SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER
137 void emit_beq(codegendata *cd, basicblock *target);
138 void emit_bne(codegendata *cd, basicblock *target);
139 void emit_blt(codegendata *cd, basicblock *target);
140 void emit_bge(codegendata *cd, basicblock *target);
141 void emit_bgt(codegendata *cd, basicblock *target);
142 void emit_ble(codegendata *cd, basicblock *target);
145 #if SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS
146 void emit_bult(codegendata *cd, basicblock *target);
147 void emit_bule(codegendata *cd, basicblock *target);
148 void emit_buge(codegendata *cd, basicblock *target);
149 void emit_bugt(codegendata *cd, basicblock *target);
152 #if defined(__POWERPC__) || defined(__POWERPC64__)
153 void emit_bnan(codegendata *cd, basicblock *target);
157 void emit_label_bccz(codegendata *cd, s4 label, s4 condition, s4 reg, u4 options);
158 void emit_label(codegendata *cd, s4 label);
159 void emit_label_bcc(codegendata *cd, s4 label, s4 condition, u4 options);
161 void emit_label_br(codegendata *cd, s4 label);
163 #if SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER
164 void emit_label_beqz(codegendata* cd, int label, int reg);
165 void emit_label_bnez(codegendata* cd, int label, int reg);
166 void emit_label_bltz(codegendata* cd, int label, int reg);
167 void emit_label_bgtz(codegendata* cd, int label, int reg);
170 #if SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS
171 void emit_label_bne(codegendata* cd, int label, int s1, int s2);
174 #if SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER
175 void emit_label_beq(codegendata *cd, s4 label);
176 void emit_label_bne(codegendata *cd, s4 label);
177 void emit_label_blt(codegendata *cd, s4 label);
178 void emit_label_bge(codegendata *cd, s4 label);
179 void emit_label_bgt(codegendata *cd, s4 label);
180 void emit_label_ble(codegendata *cd, s4 label);
183 /* machine dependent branch-emitting function */
184 void emit_branch(codegendata *cd, s4 disp, s4 condition, s4 reg, u4 options);
186 void emit_arithmetic_check(codegendata *cd, instruction *iptr, s4 reg);
187 void emit_arrayindexoutofbounds_check(codegendata *cd, instruction *iptr, s4 s1, s4 s2);
188 void emit_arraystore_check(codegendata *cd, instruction *iptr);
189 void emit_classcast_check(codegendata *cd, instruction *iptr, s4 condition, s4 reg, s4 s1);
190 void emit_nullpointer_check(codegendata *cd, instruction *iptr, s4 reg);
191 void emit_exception_check(codegendata *cd, instruction *iptr);
193 void emit_trap_compiler(codegendata *cd);
194 void emit_trap_countdown(codegendata *cd, s4 *counter);
195 uint32_t emit_trap(codegendata *cd);
197 void emit_patcher_traps(jitdata *jd);
199 void emit_verbosecall_enter(jitdata *jd);
200 void emit_verbosecall_exit(jitdata *jd);
206 #endif /* _EMIT_COMMON_H */
210 * These are local overrides for various environment variables in Emacs.
211 * Please do not remove this and leave it at the end of the file, where
212 * Emacs will automagically detect them.
213 * ---------------------------------------------------------------------
216 * indent-tabs-mode: t
220 * vim:noexpandtab:sw=4:ts=4: