hotspot/src/cpu/sparc/vm/bytecodeInterpreter_sparc.inline.hpp - edge/openjdk - Git at Google

 /*
  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */

 #ifndef CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_INLINE_HPP
 #define CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_INLINE_HPP

 // Inline interpreter functions for sparc

 inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; }
 inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; }
 inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; }
 inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; }
 inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return fmod(op1, op2); }

 inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; }

 inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) {
   return ( op1 < op2 ? -1 :
                op1 > op2 ? 1 :
                    op1 == op2 ? 0 :
                        (direction == -1 || direction == 1) ? direction : 0);

 }

 inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) {
   // x86 can do unaligned copies but not 64bits at a time
   to[0] = from[0]; to[1] = from[1];
 }

 // The long operations depend on compiler support for "long long" on x86

 inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) {
   return op1 + op2;
 }

 inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) {
   return op1 & op2;
 }

 inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) {
   // QQQ what about check and throw...
   return op1 / op2;
 }

 inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) {
   return op1 * op2;
 }

 inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) {
   return op1 | op2;
 }

 inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) {
   return op1 - op2;
 }

 inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) {
   return op1 ^ op2;
 }

 inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) {
   return op1 % op2;
 }

 inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) {
   // CVM did this 0x3f mask, is the really needed??? QQQ
   return ((unsigned long long) op1) >> (op2 & 0x3F);
 }

 inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) {
   return op1 >> (op2 & 0x3F);
 }

 inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) {
   return op1 << (op2 & 0x3F);
 }

 inline jlong BytecodeInterpreter::VMlongNeg(jlong op) {
   return -op;
 }

 inline jlong BytecodeInterpreter::VMlongNot(jlong op) {
   return ~op;
 }

 inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) {
   return (op <= 0);
 }

 inline int32_t BytecodeInterpreter::VMlongGez(jlong op) {
   return (op >= 0);
 }

 inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) {
   return (op == 0);
 }

 inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) {
   return (op1 == op2);
 }

 inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) {
   return (op1 != op2);
 }

 inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) {
   return (op1 >= op2);
 }

 inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) {
   return (op1 <= op2);
 }

 inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) {
   return (op1 < op2);
 }

 inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) {
   return (op1 > op2);
 }

 inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) {
   return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0);
 }

 // Long conversions

 inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) {
   return (jdouble) val;
 }

 inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) {
   return (jfloat) val;
 }

 inline jint BytecodeInterpreter::VMlong2Int(jlong val) {
   return (jint) val;
 }

 // Double Arithmetic

 inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) {
   return op1 + op2;
 }

 inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) {
   // Divide by zero... QQQ
   return op1 / op2;
 }

 inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) {
   return op1 * op2;
 }

 inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) {
   return -op;
 }

 inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) {
   return fmod(op1, op2);
 }

 inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) {
   return op1 - op2;
 }

 inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) {
   return ( op1 < op2 ? -1 :
                op1 > op2 ? 1 :
                    op1 == op2 ? 0 :
                        (direction == -1 || direction == 1) ? direction : 0);
 }

 // Double Conversions

 inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) {
   return (jfloat) val;
 }

 // Float Conversions

 inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) {
   return (jdouble) op;
 }

 // Integer Arithmetic

 inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) {
   return op1 + op2;
 }

 inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) {
   return op1 & op2;
 }

 inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) {
   /* it's possible we could catch this special case implicitly */
   if (op1 == 0x80000000 && op2 == -1) return op1;
   else return op1 / op2;
 }

 inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) {
   return op1 * op2;
 }

 inline jint BytecodeInterpreter::VMintNeg(jint op) {
   return -op;
 }

 inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) {
   return op1 | op2;
 }

 inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) {
   /* it's possible we could catch this special case implicitly */
   if (op1 == 0x80000000 && op2 == -1) return 0;
   else return op1 % op2;
 }

 inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) {
   return op1 << (op2 & 0x1f);
 }

 inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) {
   return op1 >> (op2 & 0x1f);
 }

 inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) {
   return op1 - op2;
 }

 inline juint BytecodeInterpreter::VMintUshr(jint op1, jint op2) {
   return ((juint) op1) >> (op2 & 0x1f);
 }

 inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) {
   return op1 ^ op2;
 }

 inline jdouble BytecodeInterpreter::VMint2Double(jint val) {
   return (jdouble) val;
 }

 inline jfloat BytecodeInterpreter::VMint2Float(jint val) {
   return (jfloat) val;
 }

 inline jlong BytecodeInterpreter::VMint2Long(jint val) {
   return (jlong) val;
 }

 inline jchar BytecodeInterpreter::VMint2Char(jint val) {
   return (jchar) val;
 }

 inline jshort BytecodeInterpreter::VMint2Short(jint val) {
   return (jshort) val;
 }

 inline jbyte BytecodeInterpreter::VMint2Byte(jint val) {
   return (jbyte) val;
 }

 // The implementations are platform dependent. We have to worry about alignment
 // issues on some machines which can change on the same platform depending on
 // whether it is an LP64 machine also.

 // We know that on LP32 mode that longs/doubles are the only thing that gives
 // us alignment headaches. We also know that the worst we have is 32bit alignment
 // so thing are not really too bad.
 // (Also sparcworks compiler does the right thing for free if we don't use -arch..
 // switches. Only gcc gives us a hard time. In LP64 mode I think we have no issue
 // with alignment.

 #ifdef _GNU_SOURCE
   #define ALIGN_CONVERTER        /* Needs alignment converter */
 #else
   #undef ALIGN_CONVERTER        /* No alignment converter */
 #endif /* _GNU_SOURCE */

 #ifdef ALIGN_CONVERTER
 class u8_converter {

   private:

   public:
   static jdouble get_jdouble(address p) {
     VMJavaVal64 tmp;
     tmp.v[0] = ((uint32_t*)p)[0];
     tmp.v[1] = ((uint32_t*)p)[1];
     return tmp.d;
   }

   static void put_jdouble(address p, jdouble d) {
     VMJavaVal64 tmp;
     tmp.d = d;
     ((uint32_t*)p)[0] = tmp.v[0];
     ((uint32_t*)p)[1] = tmp.v[1];
   }

   static jlong get_jlong(address p) {
     VMJavaVal64 tmp;
     tmp.v[0] = ((uint32_t*)p)[0];
     tmp.v[1] = ((uint32_t*)p)[1];
     return tmp.l;
   }

   static void put_jlong(address p, jlong l) {
     VMJavaVal64 tmp;
     tmp.l = l;
     ((uint32_t*)p)[0] = tmp.v[0];
     ((uint32_t*)p)[1] = tmp.v[1];
   }
 };
 #endif /* ALIGN_CONVERTER */

 #endif // CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_INLINE_HPP
	/*
	* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*
	*/

	#ifndef CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_INLINE_HPP
	#define CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_INLINE_HPP

	// Inline interpreter functions for sparc

	inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; }
	inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; }
	inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; }
	inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; }
	inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return fmod(op1, op2); }

	inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; }

	inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) {
	return ( op1 < op2 ? -1 :
	op1 > op2 ? 1 :
	op1 == op2 ? 0 :
	(direction == -1 \|\| direction == 1) ? direction : 0);

	}

	inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) {
	// x86 can do unaligned copies but not 64bits at a time
	to[0] = from[0]; to[1] = from[1];
	}

	// The long operations depend on compiler support for "long long" on x86

	inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) {
	return op1 + op2;
	}

	inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) {
	return op1 & op2;
	}

	inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) {
	// QQQ what about check and throw...
	return op1 / op2;
	}

	inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) {
	return op1 * op2;
	}

	inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) {
	return op1 \| op2;
	}

	inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) {
	return op1 - op2;
	}

	inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) {
	return op1 ^ op2;
	}

	inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) {
	return op1 % op2;
	}

	inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) {
	// CVM did this 0x3f mask, is the really needed??? QQQ
	return ((unsigned long long) op1) >> (op2 & 0x3F);
	}

	inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) {
	return op1 >> (op2 & 0x3F);
	}

	inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) {
	return op1 << (op2 & 0x3F);
	}

	inline jlong BytecodeInterpreter::VMlongNeg(jlong op) {
	return -op;
	}

	inline jlong BytecodeInterpreter::VMlongNot(jlong op) {
	return ~op;
	}

	inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) {
	return (op <= 0);
	}

	inline int32_t BytecodeInterpreter::VMlongGez(jlong op) {
	return (op >= 0);
	}

	inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) {
	return (op == 0);
	}

	inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) {
	return (op1 == op2);
	}

	inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) {
	return (op1 != op2);
	}

	inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) {
	return (op1 >= op2);
	}

	inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) {
	return (op1 <= op2);
	}

	inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) {
	return (op1 < op2);
	}

	inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) {
	return (op1 > op2);
	}

	inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) {
	return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0);
	}

	// Long conversions

	inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) {
	return (jdouble) val;
	}

	inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) {
	return (jfloat) val;
	}

	inline jint BytecodeInterpreter::VMlong2Int(jlong val) {
	return (jint) val;
	}

	// Double Arithmetic

	inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) {
	return op1 + op2;
	}

	inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) {
	// Divide by zero... QQQ
	return op1 / op2;
	}

	inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) {
	return op1 * op2;
	}

	inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) {
	return -op;
	}

	inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) {
	return fmod(op1, op2);
	}

	inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) {
	return op1 - op2;
	}

	inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) {
	return ( op1 < op2 ? -1 :
	op1 > op2 ? 1 :
	op1 == op2 ? 0 :
	(direction == -1 \|\| direction == 1) ? direction : 0);
	}

	// Double Conversions

	inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) {
	return (jfloat) val;
	}

	// Float Conversions

	inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) {
	return (jdouble) op;
	}

	// Integer Arithmetic

	inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) {
	return op1 + op2;
	}

	inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) {
	return op1 & op2;
	}

	inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) {
	/* it's possible we could catch this special case implicitly */
	if (op1 == 0x80000000 && op2 == -1) return op1;
	else return op1 / op2;
	}

	inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) {
	return op1 * op2;
	}

	inline jint BytecodeInterpreter::VMintNeg(jint op) {
	return -op;
	}

	inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) {
	return op1 \| op2;
	}

	inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) {
	/* it's possible we could catch this special case implicitly */
	if (op1 == 0x80000000 && op2 == -1) return 0;
	else return op1 % op2;
	}

	inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) {
	return op1 << (op2 & 0x1f);
	}

	inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) {
	return op1 >> (op2 & 0x1f);
	}

	inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) {
	return op1 - op2;
	}

	inline juint BytecodeInterpreter::VMintUshr(jint op1, jint op2) {
	return ((juint) op1) >> (op2 & 0x1f);
	}

	inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) {
	return op1 ^ op2;
	}

	inline jdouble BytecodeInterpreter::VMint2Double(jint val) {
	return (jdouble) val;
	}

	inline jfloat BytecodeInterpreter::VMint2Float(jint val) {
	return (jfloat) val;
	}

	inline jlong BytecodeInterpreter::VMint2Long(jint val) {
	return (jlong) val;
	}

	inline jchar BytecodeInterpreter::VMint2Char(jint val) {
	return (jchar) val;
	}

	inline jshort BytecodeInterpreter::VMint2Short(jint val) {
	return (jshort) val;
	}

	inline jbyte BytecodeInterpreter::VMint2Byte(jint val) {
	return (jbyte) val;
	}

	// The implementations are platform dependent. We have to worry about alignment
	// issues on some machines which can change on the same platform depending on
	// whether it is an LP64 machine also.

	// We know that on LP32 mode that longs/doubles are the only thing that gives
	// us alignment headaches. We also know that the worst we have is 32bit alignment
	// so thing are not really too bad.
	// (Also sparcworks compiler does the right thing for free if we don't use -arch..
	// switches. Only gcc gives us a hard time. In LP64 mode I think we have no issue
	// with alignment.

	#ifdef _GNU_SOURCE
	#define ALIGN_CONVERTER /* Needs alignment converter */
	#else
	#undef ALIGN_CONVERTER /* No alignment converter */
	#endif /* _GNU_SOURCE */

	#ifdef ALIGN_CONVERTER
	class u8_converter {

	private:

	public:
	static jdouble get_jdouble(address p) {
	VMJavaVal64 tmp;
	tmp.v[0] = ((uint32_t*)p)[0];
	tmp.v[1] = ((uint32_t*)p)[1];
	return tmp.d;
	}

	static void put_jdouble(address p, jdouble d) {
	VMJavaVal64 tmp;
	tmp.d = d;
	((uint32_t*)p)[0] = tmp.v[0];
	((uint32_t*)p)[1] = tmp.v[1];
	}

	static jlong get_jlong(address p) {
	VMJavaVal64 tmp;
	tmp.v[0] = ((uint32_t*)p)[0];
	tmp.v[1] = ((uint32_t*)p)[1];
	return tmp.l;
	}

	static void put_jlong(address p, jlong l) {
	VMJavaVal64 tmp;
	tmp.l = l;
	((uint32_t*)p)[0] = tmp.v[0];
	((uint32_t*)p)[1] = tmp.v[1];
	}
	};
	#endif /* ALIGN_CONVERTER */

	#endif // CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_INLINE_HPP