1 /* src/vm/jit/emit-common.h - common code emitter functions
3 Copyright (C) 2006, 2007 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
28 #ifndef _EMIT_COMMON_H
29 #define _EMIT_COMMON_H
36 #include "vm/jit/codegen-common.h"
37 #include "vm/jit/jit.h"
40 /* branch labels **************************************************************/
42 #define BRANCH_LABEL_1 1
43 #define BRANCH_LABEL_2 2
44 #define BRANCH_LABEL_3 3
45 #define BRANCH_LABEL_4 4
46 #define BRANCH_LABEL_5 5
47 #define BRANCH_LABEL_6 6
48 #define BRANCH_LABEL_7 7
49 #define BRANCH_LABEL_8 8
50 #define BRANCH_LABEL_9 9
51 #define BRANCH_LABEL_10 10
54 /* constant range macros ******************************************************/
56 #if SIZEOF_VOID_P == 8
59 (((s8) (c) >= -128) && ((s8) (c) <= 127))
61 # define IS_IMM32(c) \
62 (((s8) (c) >= (-2147483647-1)) && ((s8) (c) <= 2147483647))
67 (((s4) (c) >= -128) && ((s4) (c) <= 127))
69 # define IS_IMM16(c) \
70 (((s4) (c) >= -32768) && ((s4) (c) <= 32767))
75 /* code generation functions **************************************************/
77 s4 emit_load(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
78 s4 emit_load_s1(jitdata *jd, instruction *iptr, s4 tempreg);
79 s4 emit_load_s2(jitdata *jd, instruction *iptr, s4 tempreg);
80 s4 emit_load_s3(jitdata *jd, instruction *iptr, s4 tempreg);
82 #if SIZEOF_VOID_P == 4
83 s4 emit_load_low(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
84 s4 emit_load_s1_low(jitdata *jd, instruction *iptr, s4 tempreg);
85 s4 emit_load_s2_low(jitdata *jd, instruction *iptr, s4 tempreg);
86 s4 emit_load_s3_low(jitdata *jd, instruction *iptr, s4 tempreg);
88 s4 emit_load_high(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
89 s4 emit_load_s1_high(jitdata *jd, instruction *iptr, s4 tempreg);
90 s4 emit_load_s2_high(jitdata *jd, instruction *iptr, s4 tempreg);
91 s4 emit_load_s3_high(jitdata *jd, instruction *iptr, s4 tempreg);
94 void emit_store(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
95 void emit_store_dst(jitdata *jd, instruction *iptr, s4 d);
97 #if SIZEOF_VOID_P == 4
98 void emit_store_low(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
99 void emit_store_high(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
102 void emit_copy(jitdata *jd, instruction *iptr);
104 void emit_iconst(codegendata *cd, s4 d, s4 value);
105 void emit_lconst(codegendata *cd, s4 d, s8 value);
107 /* branch-emitting functions */
108 void emit_bccz(codegendata *cd, basicblock *target, s4 condition, s4 reg, u4 options);
109 void emit_bcc(codegendata *cd, basicblock *target, s4 condition, u4 options);
111 /* wrapper for unconditional branches */
112 void emit_br(codegendata *cd, basicblock *target);
114 /* wrappers for branches on one integer register */
116 #if SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER
117 void emit_beqz(codegendata *cd, basicblock *target, s4 reg);
118 void emit_bnez(codegendata *cd, basicblock *target, s4 reg);
119 void emit_bltz(codegendata *cd, basicblock *target, s4 reg);
120 void emit_bgez(codegendata *cd, basicblock *target, s4 reg);
121 void emit_bgtz(codegendata *cd, basicblock *target, s4 reg);
122 void emit_blez(codegendata *cd, basicblock *target, s4 reg);
125 /* wrappers for branches on two integer registers */
127 #if SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS
128 void emit_beq(codegendata *cd, basicblock *target, s4 s1, s4 s2);
129 void emit_bne(codegendata *cd, basicblock *target, s4 s1, s4 s2);
132 /* wrappers for branches on condition codes */
134 #if SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER
135 void emit_beq(codegendata *cd, basicblock *target);
136 void emit_bne(codegendata *cd, basicblock *target);
137 void emit_blt(codegendata *cd, basicblock *target);
138 void emit_bge(codegendata *cd, basicblock *target);
139 void emit_bgt(codegendata *cd, basicblock *target);
140 void emit_ble(codegendata *cd, basicblock *target);
143 #if SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS
144 void emit_bult(codegendata *cd, basicblock *target);
145 void emit_bule(codegendata *cd, basicblock *target);
146 void emit_buge(codegendata *cd, basicblock *target);
147 void emit_bugt(codegendata *cd, basicblock *target);
150 #if defined(__POWERPC__) || defined(__POWERPC64__)
151 void emit_bnan(codegendata *cd, basicblock *target);
155 void emit_label_bccz(codegendata *cd, s4 label, s4 condition, s4 reg, u4 options);
156 void emit_label(codegendata *cd, s4 label);
157 void emit_label_bcc(codegendata *cd, s4 label, s4 condition, u4 options);
159 void emit_label_br(codegendata *cd, s4 label);
161 #if SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER
162 void emit_label_beqz(codegendata *cd, s4 label, s4 reg);
163 void emit_label_bnez(codegendata *cd, s4 label, s4 reg);
166 #if SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER
167 void emit_label_beq(codegendata *cd, s4 label);
168 void emit_label_bne(codegendata *cd, s4 label);
169 void emit_label_blt(codegendata *cd, s4 label);
170 void emit_label_bge(codegendata *cd, s4 label);
171 void emit_label_bgt(codegendata *cd, s4 label);
172 void emit_label_ble(codegendata *cd, s4 label);
175 /* machine dependent branch-emitting function */
176 void emit_branch(codegendata *cd, s4 disp, s4 condition, s4 reg, u4 options);
178 void emit_arithmetic_check(codegendata *cd, instruction *iptr, s4 reg);
179 void emit_arrayindexoutofbounds_check(codegendata *cd, instruction *iptr, s4 s1, s4 s2);
180 void emit_arraystore_check(codegendata *cd, instruction *iptr);
181 void emit_classcast_check(codegendata *cd, instruction *iptr, s4 condition, s4 reg, s4 s1);
182 void emit_nullpointer_check(codegendata *cd, instruction *iptr, s4 reg);
183 void emit_exception_check(codegendata *cd, instruction *iptr);
185 void emit_trap_compiler(codegendata *cd);
186 uint32_t emit_trap(codegendata *cd);
188 void emit_patcher_traps(jitdata *jd);
190 void emit_verbosecall_enter(jitdata *jd);
191 void emit_verbosecall_exit(jitdata *jd);
193 #endif /* _EMIT_COMMON_H */
197 * These are local overrides for various environment variables in Emacs.
198 * Please do not remove this and leave it at the end of the file, where
199 * Emacs will automagically detect them.
200 * ---------------------------------------------------------------------
203 * indent-tabs-mode: t
207 * vim:noexpandtab:sw=4:ts=4: