--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/arm/vm/c1_LinearScan_arm.hpp Mon Dec 19 12:39:01 2016 -0500
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2008, 2014, 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_ARM_VM_C1_LINEARSCAN_ARM_HPP
+#define CPU_ARM_VM_C1_LINEARSCAN_ARM_HPP
+
+inline bool LinearScan::is_processed_reg_num(int reg_num) {
+ return reg_num < pd_nof_cpu_regs_processed_in_linearscan ||
+ reg_num >= pd_nof_cpu_regs_frame_map;
+}
+
+inline int LinearScan::num_physical_regs(BasicType type) {
+#ifndef AARCH64
+ if (type == T_LONG || type == T_DOUBLE) return 2;
+#endif // !AARCH64
+ return 1;
+}
+
+
+inline bool LinearScan::requires_adjacent_regs(BasicType type) {
+#ifdef AARCH64
+ return false;
+#else
+ return type == T_DOUBLE || type == T_LONG;
+#endif // AARCH64
+}
+
+inline bool LinearScan::is_caller_save(int assigned_reg) {
+ assert(assigned_reg >= 0 && assigned_reg < nof_regs, "should call this only for registers");
+ // TODO-AARCH64 try to add callee-saved registers
+ return true;
+}
+
+
+inline void LinearScan::pd_add_temps(LIR_Op* op) {
+ // No extra temporals on ARM
+}
+
+
+// Implementation of LinearScanWalker
+
+inline bool LinearScanWalker::pd_init_regs_for_alloc(Interval* cur) {
+#ifndef __SOFTFP__
+ if (cur->type() == T_FLOAT || cur->type() == T_DOUBLE) {
+ _first_reg = pd_first_fpu_reg;
+ _last_reg = pd_first_fpu_reg + pd_nof_fpu_regs_reg_alloc - 1;
+ return true;
+ }
+#endif // !__SOFTFP__
+
+ // Use allocatable CPU registers otherwise
+ _first_reg = pd_first_cpu_reg;
+ _last_reg = pd_first_cpu_reg + FrameMap::adjust_reg_range(pd_nof_cpu_regs_reg_alloc) - 1;
+ return true;
+}
+
+#endif // CPU_ARM_VM_C1_LINEARSCAN_ARM_HPP