1 /*
   2  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2012, 2013 SAP AG. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_PPC_VM_BYTECODEINTERPRETER_PPC_INLINE_HPP
  27 #define CPU_PPC_VM_BYTECODEINTERPRETER_PPC_INLINE_HPP
  28 
  29 #ifdef CC_INTERP
  30 
  31 // Inline interpreter functions for ppc.
  32 
  33 #include <math.h>
  34 
  35 inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; }
  36 inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; }
  37 inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; }
  38 inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; }
  39 inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return (jfloat)fmod((double)op1, (double)op2); }
  40 
  41 inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; }
  42 
  43 inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) {
  44   return ( op1 < op2 ? -1 :
  45                op1 > op2 ? 1 :
  46                    op1 == op2 ? 0 :
  47                        (direction == -1 || direction == 1) ? direction : 0);
  48 
  49 }
  50 
  51 inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) {
  52   to[0] = from[0]; to[1] = from[1];
  53 }
  54 
  55 // The long operations depend on compiler support for "long long" on ppc.
  56 
  57 inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) {
  58   return op1 + op2;
  59 }
  60 
  61 inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) {
  62   return op1 & op2;
  63 }
  64 
  65 inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) {
  66   if (op1 == min_jlong && op2 == -1) return op1;
  67   return op1 / op2;
  68 }
  69 
  70 inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) {
  71   return op1 * op2;
  72 }
  73 
  74 inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) {
  75   return op1 | op2;
  76 }
  77 
  78 inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) {
  79   return op1 - op2;
  80 }
  81 
  82 inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) {
  83   return op1 ^ op2;
  84 }
  85 
  86 inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) {
  87   if (op1 == min_jlong && op2 == -1) return 0;
  88   return op1 % op2;
  89 }
  90 
  91 inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) {
  92   return ((uint64_t) op1) >> (op2 & 0x3F);
  93 }
  94 
  95 inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) {
  96   return op1 >> (op2 & 0x3F);
  97 }
  98 
  99 inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) {
 100   return op1 << (op2 & 0x3F);
 101 }
 102 
 103 inline jlong BytecodeInterpreter::VMlongNeg(jlong op) {
 104   return -op;
 105 }
 106 
 107 inline jlong BytecodeInterpreter::VMlongNot(jlong op) {
 108   return ~op;
 109 }
 110 
 111 inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) {
 112   return (op <= 0);
 113 }
 114 
 115 inline int32_t BytecodeInterpreter::VMlongGez(jlong op) {
 116   return (op >= 0);
 117 }
 118 
 119 inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) {
 120   return (op == 0);
 121 }
 122 
 123 inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) {
 124   return (op1 == op2);
 125 }
 126 
 127 inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) {
 128   return (op1 != op2);
 129 }
 130 
 131 inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) {
 132   return (op1 >= op2);
 133 }
 134 
 135 inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) {
 136   return (op1 <= op2);
 137 }
 138 
 139 inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) {
 140   return (op1 < op2);
 141 }
 142 
 143 inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) {
 144   return (op1 > op2);
 145 }
 146 
 147 inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) {
 148   return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0);
 149 }
 150 
 151 // Long conversions
 152 
 153 inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) {
 154   return (jdouble) val;
 155 }
 156 
 157 inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) {
 158   return (jfloat) val;
 159 }
 160 
 161 inline jint BytecodeInterpreter::VMlong2Int(jlong val) {
 162   return (jint) val;
 163 }
 164 
 165 // Double Arithmetic
 166 
 167 inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) {
 168   return op1 + op2;
 169 }
 170 
 171 inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) {
 172   return op1 / op2;
 173 }
 174 
 175 inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) {
 176   return op1 * op2;
 177 }
 178 
 179 inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) {
 180   return -op;
 181 }
 182 
 183 inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) {
 184   return fmod(op1, op2);
 185 }
 186 
 187 inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) {
 188   return op1 - op2;
 189 }
 190 
 191 inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) {
 192   return ( op1 < op2 ? -1 :
 193                op1 > op2 ? 1 :
 194                    op1 == op2 ? 0 :
 195                        (direction == -1 || direction == 1) ? direction : 0);
 196 }
 197 
 198 // Double Conversions
 199 
 200 inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) {
 201   return (jfloat) val;
 202 }
 203 
 204 // Float Conversions
 205 
 206 inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) {
 207   return (jdouble) op;
 208 }
 209 
 210 // Integer Arithmetic
 211 
 212 inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) {
 213   return op1 + op2;
 214 }
 215 
 216 inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) {
 217   return op1 & op2;
 218 }
 219 
 220 inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) {
 221   /* it's possible we could catch this special case implicitly */
 222   if ((juint)op1 == 0x80000000 && op2 == -1) return op1;
 223   else return op1 / op2;
 224 }
 225 
 226 inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) {
 227   return op1 * op2;
 228 }
 229 
 230 inline jint BytecodeInterpreter::VMintNeg(jint op) {
 231   return -op;
 232 }
 233 
 234 inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) {
 235   return op1 | op2;
 236 }
 237 
 238 inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) {
 239   /* it's possible we could catch this special case implicitly */
 240   if ((juint)op1 == 0x80000000 && op2 == -1) return 0;
 241   else return op1 % op2;
 242 }
 243 
 244 inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) {
 245   return op1 <<  (op2 & 0x1f);
 246 }
 247 
 248 inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) {
 249   return op1 >>  (op2 & 0x1f);
 250 }
 251 
 252 inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) {
 253   return op1 - op2;
 254 }
 255 
 256 inline juint BytecodeInterpreter::VMintUshr(jint op1, jint op2) {
 257   return ((juint) op1) >> (op2 & 0x1f);
 258 }
 259 
 260 inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) {
 261   return op1 ^ op2;
 262 }
 263 
 264 inline jdouble BytecodeInterpreter::VMint2Double(jint val) {
 265   return (jdouble) val;
 266 }
 267 
 268 inline jfloat BytecodeInterpreter::VMint2Float(jint val) {
 269   return (jfloat) val;
 270 }
 271 
 272 inline jlong BytecodeInterpreter::VMint2Long(jint val) {
 273   return (jlong) val;
 274 }
 275 
 276 inline jchar BytecodeInterpreter::VMint2Char(jint val) {
 277   return (jchar) val;
 278 }
 279 
 280 inline jshort BytecodeInterpreter::VMint2Short(jint val) {
 281   return (jshort) val;
 282 }
 283 
 284 inline jbyte BytecodeInterpreter::VMint2Byte(jint val) {
 285   return (jbyte) val;
 286 }
 287 
 288 #endif // CC_INTERP
 289 
 290 #endif // CPU_PPC_VM_BYTECODEINTERPRETER_PPC_INLINE_HPP