diff src/cpu/x86/vm/vmreg_x86.inline.hpp @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/x86/vm/vmreg_x86.inline.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2006-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+inline VMReg RegisterImpl::as_VMReg() {
+  if( this==noreg ) return VMRegImpl::Bad();
+#ifdef AMD64
+  return VMRegImpl::as_VMReg(encoding() << 1 );
+#else
+  return VMRegImpl::as_VMReg(encoding() );
+#endif // AMD64
+}
+
+inline VMReg FloatRegisterImpl::as_VMReg() {
+  return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr);
+}
+
+inline VMReg XMMRegisterImpl::as_VMReg() {
+  return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_fpr);
+}
+
+
+inline bool VMRegImpl::is_Register() {
+  return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
+}
+
+inline bool VMRegImpl::is_FloatRegister() {
+  return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
+}
+
+inline bool VMRegImpl::is_XMMRegister() {
+  return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm;
+}
+
+inline Register VMRegImpl::as_Register() {
+
+  assert( is_Register(), "must be");
+  // Yuk
+#ifdef AMD64
+  return ::as_Register(value() >> 1);
+#else
+  return ::as_Register(value());
+#endif // AMD64
+}
+
+inline FloatRegister VMRegImpl::as_FloatRegister() {
+  assert( is_FloatRegister() && is_even(value()), "must be" );
+  // Yuk
+  return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
+}
+
+inline XMMRegister VMRegImpl::as_XMMRegister() {
+  assert( is_XMMRegister() && is_even(value()), "must be" );
+  // Yuk
+  return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 1);
+}
+
+inline   bool VMRegImpl::is_concrete() {
+  assert(is_reg(), "must be");
+#ifndef AMD64
+  if (is_Register()) return true;
+#endif // AMD64
+  return is_even(value());
+}