--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/x86/vm/register_x86.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,221 @@
+/*
+ * Copyright 2000-2007 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.
+ *
+ */
+
+class VMRegImpl;
+typedef VMRegImpl* VMReg;
+
+// Use Register as shortcut
+class RegisterImpl;
+typedef RegisterImpl* Register;
+
+
+// The implementation of integer registers for the ia32 architecture
+inline Register as_Register(int encoding) {
+  return (Register)(intptr_t) encoding;
+}
+
+class RegisterImpl: public AbstractRegisterImpl {
+ public:
+  enum {
+#ifndef AMD64
+    number_of_registers      = 8,
+    number_of_byte_registers = 4
+#else
+    number_of_registers      = 16,
+    number_of_byte_registers = 16
+#endif // AMD64
+  };
+
+  // derived registers, offsets, and addresses
+  Register successor() const                          { return as_Register(encoding() + 1); }
+
+  // construction
+  inline friend Register as_Register(int encoding);
+
+  VMReg as_VMReg();
+
+  // accessors
+  int   encoding() const                         { assert(is_valid(), "invalid register"); return (intptr_t)this; }
+  bool  is_valid() const                         { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
+  bool  has_byte_register() const                { return 0 <= (intptr_t)this && (intptr_t)this < number_of_byte_registers; }
+  const char* name() const;
+};
+
+// The integer registers of the ia32/amd64 architecture
+
+CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
+
+
+CONSTANT_REGISTER_DECLARATION(Register, rax,    (0));
+CONSTANT_REGISTER_DECLARATION(Register, rcx,    (1));
+CONSTANT_REGISTER_DECLARATION(Register, rdx,    (2));
+CONSTANT_REGISTER_DECLARATION(Register, rbx,    (3));
+CONSTANT_REGISTER_DECLARATION(Register, rsp,    (4));
+CONSTANT_REGISTER_DECLARATION(Register, rbp,    (5));
+CONSTANT_REGISTER_DECLARATION(Register, rsi,    (6));
+CONSTANT_REGISTER_DECLARATION(Register, rdi,    (7));
+#ifdef AMD64
+CONSTANT_REGISTER_DECLARATION(Register, r8,     (8));
+CONSTANT_REGISTER_DECLARATION(Register, r9,     (9));
+CONSTANT_REGISTER_DECLARATION(Register, r10,   (10));
+CONSTANT_REGISTER_DECLARATION(Register, r11,   (11));
+CONSTANT_REGISTER_DECLARATION(Register, r12,   (12));
+CONSTANT_REGISTER_DECLARATION(Register, r13,   (13));
+CONSTANT_REGISTER_DECLARATION(Register, r14,   (14));
+CONSTANT_REGISTER_DECLARATION(Register, r15,   (15));
+#endif // AMD64
+
+// Use FloatRegister as shortcut
+class FloatRegisterImpl;
+typedef FloatRegisterImpl* FloatRegister;
+
+inline FloatRegister as_FloatRegister(int encoding) {
+  return (FloatRegister)(intptr_t) encoding;
+}
+
+// The implementation of floating point registers for the ia32 architecture
+class FloatRegisterImpl: public AbstractRegisterImpl {
+ public:
+  enum {
+    number_of_registers = 8
+  };
+
+  // construction
+  inline friend FloatRegister as_FloatRegister(int encoding);
+
+  VMReg as_VMReg();
+
+  // derived registers, offsets, and addresses
+  FloatRegister successor() const                          { return as_FloatRegister(encoding() + 1); }
+
+  // accessors
+  int   encoding() const                          { assert(is_valid(), "invalid register"); return (intptr_t)this; }
+  bool  is_valid() const                          { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
+  const char* name() const;
+
+};
+
+// Use XMMRegister as shortcut
+class XMMRegisterImpl;
+typedef XMMRegisterImpl* XMMRegister;
+
+// Use MMXRegister as shortcut
+class MMXRegisterImpl;
+typedef MMXRegisterImpl* MMXRegister;
+
+inline XMMRegister as_XMMRegister(int encoding) {
+  return (XMMRegister)(intptr_t)encoding;
+}
+
+inline MMXRegister as_MMXRegister(int encoding) {
+  return (MMXRegister)(intptr_t)encoding;
+}
+
+// The implementation of XMM registers for the IA32 architecture
+class XMMRegisterImpl: public AbstractRegisterImpl {
+ public:
+  enum {
+#ifndef AMD64
+    number_of_registers = 8
+#else
+    number_of_registers = 16
+#endif // AMD64
+  };
+
+  // construction
+  friend XMMRegister as_XMMRegister(int encoding);
+
+  VMReg as_VMReg();
+
+  // derived registers, offsets, and addresses
+  XMMRegister successor() const                          { return as_XMMRegister(encoding() + 1); }
+
+  // accessors
+  int   encoding() const                          { assert(is_valid(), "invalid register"); return (intptr_t)this; }
+  bool  is_valid() const                          { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
+  const char* name() const;
+};
+
+
+// The XMM registers, for P3 and up chips
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xnoreg , (-1));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm0 , ( 0));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm1 , ( 1));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm2 , ( 2));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm3 , ( 3));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm4 , ( 4));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm5 , ( 5));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm6 , ( 6));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm7 , ( 7));
+#ifdef AMD64
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm8,      (8));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm9,      (9));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm10,    (10));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm11,    (11));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm12,    (12));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm13,    (13));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm14,    (14));
+CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm15,    (15));
+#endif // AMD64
+
+// Only used by the 32bit stubGenerator. These can't be described by vmreg and hence
+// can't be described in oopMaps and therefore can't be used by the compilers (at least
+// were deopt might wan't to see them).
+
+// The MMX registers, for P3 and up chips
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mnoreg , (-1));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx0 , ( 0));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx1 , ( 1));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx2 , ( 2));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx3 , ( 3));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx4 , ( 4));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx5 , ( 5));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx6 , ( 6));
+CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx7 , ( 7));
+
+
+// Need to know the total number of registers of all sorts for SharedInfo.
+// Define a class that exports it.
+class ConcreteRegisterImpl : public AbstractRegisterImpl {
+ public:
+  enum {
+  // A big enough number for C2: all the registers plus flags
+  // This number must be large enough to cover REG_COUNT (defined by c2) registers.
+  // There is no requirement that any ordering here matches any ordering c2 gives
+  // it's optoregs.
+
+    number_of_registers =      RegisterImpl::number_of_registers +
+#ifdef AMD64
+                               RegisterImpl::number_of_registers +  // "H" half of a 64bit register
+#endif // AMD64
+                           2 * FloatRegisterImpl::number_of_registers +
+                           2 * XMMRegisterImpl::number_of_registers +
+                           1 // eflags
+  };
+
+  static const int max_gpr;
+  static const int max_fpr;
+  static const int max_xmm;
+
+};