--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/x86/vm/c1_Defs_x86.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2000-2005 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.
+ *
+ */
+
+// native word offsets from memory address (little endian)
+enum {
+  pd_lo_word_offset_in_bytes = 0,
+  pd_hi_word_offset_in_bytes = BytesPerWord
+};
+
+// explicit rounding operations are required to implement the strictFP mode
+enum {
+  pd_strict_fp_requires_explicit_rounding = true
+};
+
+
+// registers
+enum {
+  pd_nof_cpu_regs_frame_map = 8,  // number of registers used during code emission
+  pd_nof_fpu_regs_frame_map = 8,  // number of registers used during code emission
+  pd_nof_xmm_regs_frame_map = 8,  // number of registers used during code emission
+  pd_nof_caller_save_cpu_regs_frame_map = 6,  // number of registers killed by calls
+  pd_nof_caller_save_fpu_regs_frame_map = 8,  // number of registers killed by calls
+  pd_nof_caller_save_xmm_regs_frame_map = 8,  // number of registers killed by calls
+
+  pd_nof_cpu_regs_reg_alloc = 6,  // number of registers that are visible to register allocator
+  pd_nof_fpu_regs_reg_alloc = 6,  // number of registers that are visible to register allocator
+
+  pd_nof_cpu_regs_linearscan = 8, // number of registers visible to linear scan
+  pd_nof_fpu_regs_linearscan = 8, // number of registers visible to linear scan
+  pd_nof_xmm_regs_linearscan = 8, // number of registers visible to linear scan
+  pd_first_cpu_reg = 0,
+  pd_last_cpu_reg = 5,
+  pd_first_byte_reg = 2,
+  pd_last_byte_reg = 5,
+  pd_first_fpu_reg = pd_nof_cpu_regs_frame_map,
+  pd_last_fpu_reg =  pd_first_fpu_reg + 7,
+  pd_first_xmm_reg = pd_nof_cpu_regs_frame_map + pd_nof_fpu_regs_frame_map,
+  pd_last_xmm_reg =  pd_first_xmm_reg + 7
+};
+
+
+// encoding of float value in debug info:
+enum {
+  pd_float_saved_as_double = true
+};