--- old/src/hotspot/cpu/sparc/c1_LinearScan_sparc.hpp 2020-05-01 02:28:38.899176740 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,70 +0,0 @@ -/* - * Copyright (c) 2005, 2019, 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_C1_LINEARSCAN_SPARC_HPP -#define CPU_SPARC_C1_LINEARSCAN_SPARC_HPP - -inline bool LinearScan::is_processed_reg_num(int reg_num) { - return reg_num < 26 || reg_num > 31; -} - -inline int LinearScan::num_physical_regs(BasicType type) { - // Sparc requires two cpu registers for long - // and two cpu registers for double - if (type == T_DOUBLE) { - return 2; - } - return 1; -} - - -inline bool LinearScan::requires_adjacent_regs(BasicType type) { - return type == T_DOUBLE; -} - -inline bool LinearScan::is_caller_save(int assigned_reg) { - return assigned_reg > pd_last_callee_saved_reg && assigned_reg <= pd_last_fpu_reg; -} - - -inline void LinearScan::pd_add_temps(LIR_Op* op) { - // No special case behaviours yet -} - - -inline bool LinearScanWalker::pd_init_regs_for_alloc(Interval* cur) { - if (allocator()->gen()->is_vreg_flag_set(cur->reg_num(), LIRGenerator::callee_saved)) { - assert(cur->type() != T_FLOAT && cur->type() != T_DOUBLE, "cpu regs only"); - _first_reg = pd_first_callee_saved_reg; - _last_reg = pd_last_callee_saved_reg; - return true; - } else if (cur->type() == T_INT || cur->type() == T_LONG || cur->type() == T_OBJECT || cur->type() == T_ADDRESS || cur->type() == T_METADATA) { - _first_reg = pd_first_cpu_reg; - _last_reg = pd_last_allocatable_cpu_reg; - return true; - } - return false; -} - -#endif // CPU_SPARC_C1_LINEARSCAN_SPARC_HPP