--- /dev/null 2016-08-24 15:41:39.598575000 -0400 +++ new/src/cpu/arm/vm/c1_FrameMap_arm.hpp 2016-12-13 12:47:12.297089446 -0500 @@ -0,0 +1,128 @@ +/* + * 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_FRAMEMAP_ARM_HPP +#define CPU_ARM_VM_C1_FRAMEMAP_ARM_HPP + + public: + + enum { + first_available_sp_in_frame = 0, + frame_pad_in_bytes = 2*wordSize // Account for FP/LR saved at build_frame(). + }; + + static LIR_Opr R0_opr; + static LIR_Opr R1_opr; + static LIR_Opr R2_opr; + static LIR_Opr R3_opr; + static LIR_Opr R4_opr; + static LIR_Opr R5_opr; + // add more predefined register oprs as needed + + static LIR_Opr R0_oop_opr; + static LIR_Opr R1_oop_opr; + static LIR_Opr R2_oop_opr; + static LIR_Opr R3_oop_opr; + static LIR_Opr R4_oop_opr; + static LIR_Opr R5_oop_opr; + + static LIR_Opr R0_metadata_opr; + static LIR_Opr R1_metadata_opr; + static LIR_Opr R2_metadata_opr; + static LIR_Opr R3_metadata_opr; + static LIR_Opr R4_metadata_opr; + static LIR_Opr R5_metadata_opr; + +#ifdef AARCH64 + static LIR_Opr ZR_opr; +#endif // AARCH64 + + static LIR_Opr LR_opr; + static LIR_Opr LR_oop_opr; + static LIR_Opr LR_ptr_opr; + + static LIR_Opr FP_opr; + static LIR_Opr SP_opr; + static LIR_Opr Rthread_opr; + + static LIR_Opr Int_result_opr; + static LIR_Opr Long_result_opr; + static LIR_Opr Object_result_opr; + static LIR_Opr Float_result_opr; + static LIR_Opr Double_result_opr; + + static LIR_Opr Exception_oop_opr; + static LIR_Opr Exception_pc_opr; + +#ifdef AARCH64 + static LIR_Opr as_long_opr(Register r) { + return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); + } + + static LIR_Opr as_pointer_opr(Register r) { + return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); + } + + static LIR_Opr as_double_opr(FloatRegister r) { + return LIR_OprFact::double_fpu(r->encoding()); + } +#else + static LIR_Opr as_long_opr(Register r, Register r2) { + return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r2)); + } + + static LIR_Opr as_pointer_opr(Register r) { + return LIR_OprFact::single_cpu(cpu_reg2rnr(r)); + } + + static LIR_Opr as_double_opr(FloatRegister r) { + return LIR_OprFact::double_fpu(r->encoding(), r->successor()->encoding()); + } +#endif + + static LIR_Opr as_float_opr(FloatRegister r) { + return LIR_OprFact::single_fpu(r->encoding()); + } + + static VMReg fpu_regname(int n); + + static bool is_caller_save_register(LIR_Opr opr) { + return true; + } + + static int adjust_reg_range(int range) { + // Reduce the number of available regs (to free Rheap_base) in case of compressed oops + if (UseCompressedOops || UseCompressedClassPointers) return range - 1; + return range; + } + + static int nof_caller_save_cpu_regs() { + return adjust_reg_range(pd_nof_caller_save_cpu_regs_frame_map); + } + + static int last_cpu_reg() { + return pd_last_cpu_reg; + } + +#endif // CPU_ARM_VM_C1_FRAMEMAP_ARM_HPP