1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/sparc/vm/bytecodeInterpreter_sparc.inline.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,333 @@
1.4 +/*
1.5 + * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// Inline interpreter functions for sparc
1.29 +
1.30 +inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; }
1.31 +inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; }
1.32 +inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; }
1.33 +inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; }
1.34 +inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return fmod(op1, op2); }
1.35 +
1.36 +inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; }
1.37 +
1.38 +inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) {
1.39 + return ( op1 < op2 ? -1 :
1.40 + op1 > op2 ? 1 :
1.41 + op1 == op2 ? 0 :
1.42 + (direction == -1 || direction == 1) ? direction : 0);
1.43 +
1.44 +}
1.45 +
1.46 +inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) {
1.47 + // x86 can do unaligned copies but not 64bits at a time
1.48 + to[0] = from[0]; to[1] = from[1];
1.49 +}
1.50 +
1.51 +// The long operations depend on compiler support for "long long" on x86
1.52 +
1.53 +inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) {
1.54 + return op1 + op2;
1.55 +}
1.56 +
1.57 +inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) {
1.58 + return op1 & op2;
1.59 +}
1.60 +
1.61 +inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) {
1.62 + // QQQ what about check and throw...
1.63 + return op1 / op2;
1.64 +}
1.65 +
1.66 +inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) {
1.67 + return op1 * op2;
1.68 +}
1.69 +
1.70 +inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) {
1.71 + return op1 | op2;
1.72 +}
1.73 +
1.74 +inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) {
1.75 + return op1 - op2;
1.76 +}
1.77 +
1.78 +inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) {
1.79 + return op1 ^ op2;
1.80 +}
1.81 +
1.82 +inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) {
1.83 + return op1 % op2;
1.84 +}
1.85 +
1.86 +inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) {
1.87 + // CVM did this 0x3f mask, is the really needed??? QQQ
1.88 + return ((unsigned long long) op1) >> (op2 & 0x3F);
1.89 +}
1.90 +
1.91 +inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) {
1.92 + return op1 >> (op2 & 0x3F);
1.93 +}
1.94 +
1.95 +inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) {
1.96 + return op1 << (op2 & 0x3F);
1.97 +}
1.98 +
1.99 +inline jlong BytecodeInterpreter::VMlongNeg(jlong op) {
1.100 + return -op;
1.101 +}
1.102 +
1.103 +inline jlong BytecodeInterpreter::VMlongNot(jlong op) {
1.104 + return ~op;
1.105 +}
1.106 +
1.107 +inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) {
1.108 + return (op <= 0);
1.109 +}
1.110 +
1.111 +inline int32_t BytecodeInterpreter::VMlongGez(jlong op) {
1.112 + return (op >= 0);
1.113 +}
1.114 +
1.115 +inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) {
1.116 + return (op == 0);
1.117 +}
1.118 +
1.119 +inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) {
1.120 + return (op1 == op2);
1.121 +}
1.122 +
1.123 +inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) {
1.124 + return (op1 != op2);
1.125 +}
1.126 +
1.127 +inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) {
1.128 + return (op1 >= op2);
1.129 +}
1.130 +
1.131 +inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) {
1.132 + return (op1 <= op2);
1.133 +}
1.134 +
1.135 +inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) {
1.136 + return (op1 < op2);
1.137 +}
1.138 +
1.139 +inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) {
1.140 + return (op1 > op2);
1.141 +}
1.142 +
1.143 +inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) {
1.144 + return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0);
1.145 +}
1.146 +
1.147 +// Long conversions
1.148 +
1.149 +inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) {
1.150 + return (jdouble) val;
1.151 +}
1.152 +
1.153 +inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) {
1.154 + return (jfloat) val;
1.155 +}
1.156 +
1.157 +inline jint BytecodeInterpreter::VMlong2Int(jlong val) {
1.158 + return (jint) val;
1.159 +}
1.160 +
1.161 +// Double Arithmetic
1.162 +
1.163 +inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) {
1.164 + return op1 + op2;
1.165 +}
1.166 +
1.167 +inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) {
1.168 + // Divide by zero... QQQ
1.169 + return op1 / op2;
1.170 +}
1.171 +
1.172 +inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) {
1.173 + return op1 * op2;
1.174 +}
1.175 +
1.176 +inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) {
1.177 + return -op;
1.178 +}
1.179 +
1.180 +inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) {
1.181 + return fmod(op1, op2);
1.182 +}
1.183 +
1.184 +inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) {
1.185 + return op1 - op2;
1.186 +}
1.187 +
1.188 +inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) {
1.189 + return ( op1 < op2 ? -1 :
1.190 + op1 > op2 ? 1 :
1.191 + op1 == op2 ? 0 :
1.192 + (direction == -1 || direction == 1) ? direction : 0);
1.193 +}
1.194 +
1.195 +// Double Conversions
1.196 +
1.197 +inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) {
1.198 + return (jfloat) val;
1.199 +}
1.200 +
1.201 +// Float Conversions
1.202 +
1.203 +inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) {
1.204 + return (jdouble) op;
1.205 +}
1.206 +
1.207 +// Integer Arithmetic
1.208 +
1.209 +inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) {
1.210 + return op1 + op2;
1.211 +}
1.212 +
1.213 +inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) {
1.214 + return op1 & op2;
1.215 +}
1.216 +
1.217 +inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) {
1.218 + /* it's possible we could catch this special case implicitly */
1.219 + if (op1 == 0x80000000 && op2 == -1) return op1;
1.220 + else return op1 / op2;
1.221 +}
1.222 +
1.223 +inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) {
1.224 + return op1 * op2;
1.225 +}
1.226 +
1.227 +inline jint BytecodeInterpreter::VMintNeg(jint op) {
1.228 + return -op;
1.229 +}
1.230 +
1.231 +inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) {
1.232 + return op1 | op2;
1.233 +}
1.234 +
1.235 +inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) {
1.236 + /* it's possible we could catch this special case implicitly */
1.237 + if (op1 == 0x80000000 && op2 == -1) return 0;
1.238 + else return op1 % op2;
1.239 +}
1.240 +
1.241 +inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) {
1.242 + return op1 << op2;
1.243 +}
1.244 +
1.245 +inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) {
1.246 + return op1 >> op2; // QQ op2 & 0x1f??
1.247 +}
1.248 +
1.249 +inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) {
1.250 + return op1 - op2;
1.251 +}
1.252 +
1.253 +inline jint BytecodeInterpreter::VMintUshr(jint op1, jint op2) {
1.254 + return ((juint) op1) >> op2; // QQ op2 & 0x1f??
1.255 +}
1.256 +
1.257 +inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) {
1.258 + return op1 ^ op2;
1.259 +}
1.260 +
1.261 +inline jdouble BytecodeInterpreter::VMint2Double(jint val) {
1.262 + return (jdouble) val;
1.263 +}
1.264 +
1.265 +inline jfloat BytecodeInterpreter::VMint2Float(jint val) {
1.266 + return (jfloat) val;
1.267 +}
1.268 +
1.269 +inline jlong BytecodeInterpreter::VMint2Long(jint val) {
1.270 + return (jlong) val;
1.271 +}
1.272 +
1.273 +inline jchar BytecodeInterpreter::VMint2Char(jint val) {
1.274 + return (jchar) val;
1.275 +}
1.276 +
1.277 +inline jshort BytecodeInterpreter::VMint2Short(jint val) {
1.278 + return (jshort) val;
1.279 +}
1.280 +
1.281 +inline jbyte BytecodeInterpreter::VMint2Byte(jint val) {
1.282 + return (jbyte) val;
1.283 +}
1.284 +
1.285 +// The implementations are platform dependent. We have to worry about alignment
1.286 +// issues on some machines which can change on the same platform depending on
1.287 +// whether it is an LP64 machine also.
1.288 +
1.289 +// We know that on LP32 mode that longs/doubles are the only thing that gives
1.290 +// us alignment headaches. We also know that the worst we have is 32bit alignment
1.291 +// so thing are not really too bad.
1.292 +// (Also sparcworks compiler does the right thing for free if we don't use -arch..
1.293 +// switches. Only gcc gives us a hard time. In LP64 mode I think we have no issue
1.294 +// with alignment.
1.295 +
1.296 +#ifdef _GNU_SOURCE
1.297 + #define ALIGN_CONVERTER /* Needs alignment converter */
1.298 +#else
1.299 + #undef ALIGN_CONVERTER /* No alignment converter */
1.300 +#endif /* _GNU_SOURCE */
1.301 +
1.302 +#ifdef ALIGN_CONVERTER
1.303 +class u8_converter {
1.304 +
1.305 + private:
1.306 +
1.307 + public:
1.308 + static jdouble get_jdouble(address p) {
1.309 + VMJavaVal64 tmp;
1.310 + tmp.v[0] = ((uint32_t*)p)[0];
1.311 + tmp.v[1] = ((uint32_t*)p)[1];
1.312 + return tmp.d;
1.313 + }
1.314 +
1.315 + static void put_jdouble(address p, jdouble d) {
1.316 + VMJavaVal64 tmp;
1.317 + tmp.d = d;
1.318 + ((uint32_t*)p)[0] = tmp.v[0];
1.319 + ((uint32_t*)p)[1] = tmp.v[1];
1.320 + }
1.321 +
1.322 + static jlong get_jlong(address p) {
1.323 + VMJavaVal64 tmp;
1.324 + tmp.v[0] = ((uint32_t*)p)[0];
1.325 + tmp.v[1] = ((uint32_t*)p)[1];
1.326 + return tmp.l;
1.327 + }
1.328 +
1.329 + static void put_jlong(address p, jlong l) {
1.330 + VMJavaVal64 tmp;
1.331 + tmp.l = l;
1.332 + ((uint32_t*)p)[0] = tmp.v[0];
1.333 + ((uint32_t*)p)[1] = tmp.v[1];
1.334 + }
1.335 +};
1.336 +#endif /* ALIGN_CONVERTER */
