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
25 $Id: emitfuncs.c 4398 2006-01-31 23:43:08Z twisti $
30 #ifndef _EMIT_COMMON_H
31 #define _EMIT_COMMON_H
38 #include "vm/jit/codegen-common.h"
39 #include "vm/jit/jit.h"
42 /* branch labels **************************************************************/
44 #define BRANCH_LABEL_1 1
45 #define BRANCH_LABEL_2 2
46 #define BRANCH_LABEL_3 3
47 #define BRANCH_LABEL_4 4
48 #define BRANCH_LABEL_5 5
51 /* constant range macros ******************************************************/
53 #if SIZEOF_VOID_P == 8
56 (((s8) (c) >= -128) && ((s8) (c) <= 127))
58 # define IS_IMM32(c) \
59 (((s8) (c) >= (-2147483647-1)) && ((s8) (c) <= 2147483647))
64 (((s4) (c) >= -128) && ((s4) (c) <= 127))
66 # define IS_IMM16(c) \
67 (((s4) (c) >= -32768) && ((s4) (c) <= 32767))
72 /* code generation functions **************************************************/
74 s4 emit_load(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
75 s4 emit_load_s1(jitdata *jd, instruction *iptr, s4 tempreg);
76 s4 emit_load_s2(jitdata *jd, instruction *iptr, s4 tempreg);
77 s4 emit_load_s3(jitdata *jd, instruction *iptr, s4 tempreg);
79 #if SIZEOF_VOID_P == 4
80 s4 emit_load_low(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
81 s4 emit_load_s1_low(jitdata *jd, instruction *iptr, s4 tempreg);
82 s4 emit_load_s2_low(jitdata *jd, instruction *iptr, s4 tempreg);
83 s4 emit_load_s3_low(jitdata *jd, instruction *iptr, s4 tempreg);
85 s4 emit_load_high(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg);
86 s4 emit_load_s1_high(jitdata *jd, instruction *iptr, s4 tempreg);
87 s4 emit_load_s2_high(jitdata *jd, instruction *iptr, s4 tempreg);
88 s4 emit_load_s3_high(jitdata *jd, instruction *iptr, s4 tempreg);
91 void emit_store(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
92 void emit_store_dst(jitdata *jd, instruction *iptr, s4 d);
94 #if SIZEOF_VOID_P == 4
95 void emit_store_low(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
96 void emit_store_high(jitdata *jd, instruction *iptr, varinfo *dst, s4 d);
99 void emit_copy(jitdata *jd, instruction *iptr);
101 void emit_iconst(codegendata *cd, s4 d, s4 value);
102 void emit_lconst(codegendata *cd, s4 d, s8 value);
104 /* branch-emitting functions */
105 void emit_bccz(codegendata *cd, basicblock *target, s4 condition, s4 reg, u4 options);
106 void emit_bcc(codegendata *cd, basicblock *target, s4 condition, u4 options);
108 /* wrapper for unconditional branches */
109 void emit_br(codegendata *cd, basicblock *target);
111 /* wrappers for branches on one integer register */
113 #if SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER
114 void emit_beqz(codegendata *cd, basicblock *target, s4 reg);
115 void emit_bnez(codegendata *cd, basicblock *target, s4 reg);
116 void emit_bltz(codegendata *cd, basicblock *target, s4 reg);
117 void emit_bgez(codegendata *cd, basicblock *target, s4 reg);
118 void emit_bgtz(codegendata *cd, basicblock *target, s4 reg);
119 void emit_blez(codegendata *cd, basicblock *target, s4 reg);
122 /* wrappers for branches on two integer registers */
124 #if SUPPORT_BRANCH_CONDITIONAL_TWO_INTEGER_REGISTERS
125 void emit_beq(codegendata *cd, basicblock *target, s4 s1, s4 s2);
126 void emit_bne(codegendata *cd, basicblock *target, s4 s1, s4 s2);
129 /* wrappers for branches on condition codes */
131 #if SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER
132 void emit_beq(codegendata *cd, basicblock *target);
133 void emit_bne(codegendata *cd, basicblock *target);
134 void emit_blt(codegendata *cd, basicblock *target);
135 void emit_bge(codegendata *cd, basicblock *target);
136 void emit_bgt(codegendata *cd, basicblock *target);
137 void emit_ble(codegendata *cd, basicblock *target);
140 #if SUPPORT_BRANCH_CONDITIONAL_UNSIGNED_CONDITIONS
141 void emit_bult(codegendata *cd, basicblock *target);
142 void emit_bule(codegendata *cd, basicblock *target);
143 void emit_buge(codegendata *cd, basicblock *target);
144 void emit_bugt(codegendata *cd, basicblock *target);
147 #if defined(__POWERPC__)
148 void emit_bnan(codegendata *cd, basicblock *target);
152 void emit_label_bccz(codegendata *cd, s4 label, s4 condition, s4 reg, u4 options);
153 void emit_label(codegendata *cd, s4 label);
154 void emit_label_bcc(codegendata *cd, s4 label, s4 condition, u4 options);
156 void emit_label_br(codegendata *cd, s4 label);
158 #if SUPPORT_BRANCH_CONDITIONAL_ONE_INTEGER_REGISTER
159 void emit_label_beqz(codegendata *cd, s4 label, s4 reg);
162 #if SUPPORT_BRANCH_CONDITIONAL_CONDITION_REGISTER
163 void emit_label_beq(codegendata *cd, s4 label);
164 void emit_label_bne(codegendata *cd, s4 label);
165 void emit_label_blt(codegendata *cd, s4 label);
166 void emit_label_bge(codegendata *cd, s4 label);
167 void emit_label_bgt(codegendata *cd, s4 label);
168 void emit_label_ble(codegendata *cd, s4 label);
171 /* machine dependent branch-emitting function */
172 void emit_branch(codegendata *cd, s4 disp, s4 condition, s4 reg, u4 options);
174 void emit_arithmetic_check(codegendata *cd, instruction *iptr, s4 reg);
175 void emit_arrayindexoutofbounds_check(codegendata *cd, instruction *iptr, s4 s1, s4 s2);
176 void emit_classcast_check(codegendata *cd, instruction *iptr, s4 condition, s4 reg, s4 s1);
177 void emit_nullpointer_check(codegendata *cd, instruction *iptr, s4 reg);
178 void emit_exception_check(codegendata *cd, instruction *iptr);
180 void emit_patcher_stubs(jitdata *jd);
181 #if defined(ENABLE_REPLACEMENT)
182 void emit_replacement_stubs(jitdata *jd);
185 void emit_verbosecall_enter(jitdata *jd);
186 void emit_verbosecall_exit(jitdata *jd);
188 #endif /* _EMIT_COMMON_H */
192 * These are local overrides for various environment variables in Emacs.
193 * Please do not remove this and leave it at the end of the file, where
194 * Emacs will automagically detect them.
195 * ---------------------------------------------------------------------
198 * indent-tabs-mode: t
202 * vim:noexpandtab:sw=4:ts=4: