Mercurial > hg > graal-compiler
view src/cpu/sparc/vm/register_sparc.hpp @ 20747:5b625213c851
Added tag jdk8u20-b32 for changeset 7edb04063a42
author | katleman |
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date | Tue, 23 Sep 2014 18:49:04 -0700 |
parents | 55fb97c4c58d |
children | 4ca6dc0799b6 |
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/* * Copyright (c) 2000, 2013, 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_VM_REGISTER_SPARC_HPP #define CPU_SPARC_VM_REGISTER_SPARC_HPP #include "asm/register.hpp" #include "vm_version_sparc.hpp" // forward declaration class Address; class VMRegImpl; typedef VMRegImpl* VMReg; // Use Register as shortcut class RegisterImpl; typedef RegisterImpl* Register; inline Register as_Register(int encoding) { return (Register)(intptr_t) encoding; } // The implementation of integer registers for the SPARC architecture class RegisterImpl: public AbstractRegisterImpl { public: enum { log_set_size = 3, // the number of bits to encode the set register number number_of_sets = 4, // the number of registers sets (in, local, out, global) number_of_registers = number_of_sets << log_set_size, iset_no = 3, ibase = iset_no << log_set_size, // the in register set lset_no = 2, lbase = lset_no << log_set_size, // the local register set oset_no = 1, obase = oset_no << log_set_size, // the output register set gset_no = 0, gbase = gset_no << log_set_size // the global register set }; friend Register as_Register(int encoding); // set specific construction friend Register as_iRegister(int number); friend Register as_lRegister(int number); friend Register as_oRegister(int number); friend Register as_gRegister(int number); VMReg as_VMReg(); // accessors int encoding() const { assert(is_valid(), "invalid register"); return value(); } const char* name() const; // testers bool is_valid() const { return (0 <= (value()&0x7F) && (value()&0x7F) < number_of_registers); } bool is_even() const { return (encoding() & 1) == 0; } bool is_in() const { return (encoding() >> log_set_size) == iset_no; } bool is_local() const { return (encoding() >> log_set_size) == lset_no; } bool is_out() const { return (encoding() >> log_set_size) == oset_no; } bool is_global() const { return (encoding() >> log_set_size) == gset_no; } // derived registers, offsets, and addresses Register successor() const { return as_Register(encoding() + 1); } int input_number() const { assert(is_in(), "must be input register"); return encoding() - ibase; } Register after_save() const { assert(is_out() || is_global(), "register not visible after save"); return is_out() ? as_Register(encoding() + (ibase - obase)) : (const Register)this; } Register after_restore() const { assert(is_in() || is_global(), "register not visible after restore"); return is_in() ? as_Register(encoding() + (obase - ibase)) : (const Register)this; } int sp_offset_in_saved_window() const { assert(is_in() || is_local(), "only i and l registers are saved in frame"); return encoding() - lbase; } inline Address address_in_saved_window() const; // implemented in assembler_sparc.hpp }; // set specific construction inline Register as_iRegister(int number) { return as_Register(RegisterImpl::ibase + number); } inline Register as_lRegister(int number) { return as_Register(RegisterImpl::lbase + number); } inline Register as_oRegister(int number) { return as_Register(RegisterImpl::obase + number); } inline Register as_gRegister(int number) { return as_Register(RegisterImpl::gbase + number); } // The integer registers of the SPARC architecture CONSTANT_REGISTER_DECLARATION(Register, noreg , (-1)); CONSTANT_REGISTER_DECLARATION(Register, G0 , (RegisterImpl::gbase + 0)); CONSTANT_REGISTER_DECLARATION(Register, G1 , (RegisterImpl::gbase + 1)); CONSTANT_REGISTER_DECLARATION(Register, G2 , (RegisterImpl::gbase + 2)); CONSTANT_REGISTER_DECLARATION(Register, G3 , (RegisterImpl::gbase + 3)); CONSTANT_REGISTER_DECLARATION(Register, G4 , (RegisterImpl::gbase + 4)); CONSTANT_REGISTER_DECLARATION(Register, G5 , (RegisterImpl::gbase + 5)); CONSTANT_REGISTER_DECLARATION(Register, G6 , (RegisterImpl::gbase + 6)); CONSTANT_REGISTER_DECLARATION(Register, G7 , (RegisterImpl::gbase + 7)); CONSTANT_REGISTER_DECLARATION(Register, O0 , (RegisterImpl::obase + 0)); CONSTANT_REGISTER_DECLARATION(Register, O1 , (RegisterImpl::obase + 1)); CONSTANT_REGISTER_DECLARATION(Register, O2 , (RegisterImpl::obase + 2)); CONSTANT_REGISTER_DECLARATION(Register, O3 , (RegisterImpl::obase + 3)); CONSTANT_REGISTER_DECLARATION(Register, O4 , (RegisterImpl::obase + 4)); CONSTANT_REGISTER_DECLARATION(Register, O5 , (RegisterImpl::obase + 5)); CONSTANT_REGISTER_DECLARATION(Register, O6 , (RegisterImpl::obase + 6)); CONSTANT_REGISTER_DECLARATION(Register, O7 , (RegisterImpl::obase + 7)); CONSTANT_REGISTER_DECLARATION(Register, L0 , (RegisterImpl::lbase + 0)); CONSTANT_REGISTER_DECLARATION(Register, L1 , (RegisterImpl::lbase + 1)); CONSTANT_REGISTER_DECLARATION(Register, L2 , (RegisterImpl::lbase + 2)); CONSTANT_REGISTER_DECLARATION(Register, L3 , (RegisterImpl::lbase + 3)); CONSTANT_REGISTER_DECLARATION(Register, L4 , (RegisterImpl::lbase + 4)); CONSTANT_REGISTER_DECLARATION(Register, L5 , (RegisterImpl::lbase + 5)); CONSTANT_REGISTER_DECLARATION(Register, L6 , (RegisterImpl::lbase + 6)); CONSTANT_REGISTER_DECLARATION(Register, L7 , (RegisterImpl::lbase + 7)); CONSTANT_REGISTER_DECLARATION(Register, I0 , (RegisterImpl::ibase + 0)); CONSTANT_REGISTER_DECLARATION(Register, I1 , (RegisterImpl::ibase + 1)); CONSTANT_REGISTER_DECLARATION(Register, I2 , (RegisterImpl::ibase + 2)); CONSTANT_REGISTER_DECLARATION(Register, I3 , (RegisterImpl::ibase + 3)); CONSTANT_REGISTER_DECLARATION(Register, I4 , (RegisterImpl::ibase + 4)); CONSTANT_REGISTER_DECLARATION(Register, I5 , (RegisterImpl::ibase + 5)); CONSTANT_REGISTER_DECLARATION(Register, I6 , (RegisterImpl::ibase + 6)); CONSTANT_REGISTER_DECLARATION(Register, I7 , (RegisterImpl::ibase + 7)); CONSTANT_REGISTER_DECLARATION(Register, FP , (RegisterImpl::ibase + 6)); CONSTANT_REGISTER_DECLARATION(Register, SP , (RegisterImpl::obase + 6)); // // Because sparc has so many registers, #define'ing values for the is // beneficial in code size and the cost of some of the dangers of // defines. We don't use them on Intel because win32 uses asm // directives which use the same names for registers as Hotspot does, // so #defines would screw up the inline assembly. If a particular // file has a problem with these defines then it's possible to turn // them off in that file by defining DONT_USE_REGISTER_DEFINES. // register_definition_sparc.cpp does that so that it's able to // provide real definitions of these registers for use in debuggers // and such. // #ifndef DONT_USE_REGISTER_DEFINES #define noreg ((Register)(noreg_RegisterEnumValue)) #define G0 ((Register)(G0_RegisterEnumValue)) #define G1 ((Register)(G1_RegisterEnumValue)) #define G2 ((Register)(G2_RegisterEnumValue)) #define G3 ((Register)(G3_RegisterEnumValue)) #define G4 ((Register)(G4_RegisterEnumValue)) #define G5 ((Register)(G5_RegisterEnumValue)) #define G6 ((Register)(G6_RegisterEnumValue)) #define G7 ((Register)(G7_RegisterEnumValue)) #define O0 ((Register)(O0_RegisterEnumValue)) #define O1 ((Register)(O1_RegisterEnumValue)) #define O2 ((Register)(O2_RegisterEnumValue)) #define O3 ((Register)(O3_RegisterEnumValue)) #define O4 ((Register)(O4_RegisterEnumValue)) #define O5 ((Register)(O5_RegisterEnumValue)) #define O6 ((Register)(O6_RegisterEnumValue)) #define O7 ((Register)(O7_RegisterEnumValue)) #define L0 ((Register)(L0_RegisterEnumValue)) #define L1 ((Register)(L1_RegisterEnumValue)) #define L2 ((Register)(L2_RegisterEnumValue)) #define L3 ((Register)(L3_RegisterEnumValue)) #define L4 ((Register)(L4_RegisterEnumValue)) #define L5 ((Register)(L5_RegisterEnumValue)) #define L6 ((Register)(L6_RegisterEnumValue)) #define L7 ((Register)(L7_RegisterEnumValue)) #define I0 ((Register)(I0_RegisterEnumValue)) #define I1 ((Register)(I1_RegisterEnumValue)) #define I2 ((Register)(I2_RegisterEnumValue)) #define I3 ((Register)(I3_RegisterEnumValue)) #define I4 ((Register)(I4_RegisterEnumValue)) #define I5 ((Register)(I5_RegisterEnumValue)) #define I6 ((Register)(I6_RegisterEnumValue)) #define I7 ((Register)(I7_RegisterEnumValue)) #define FP ((Register)(FP_RegisterEnumValue)) #define SP ((Register)(SP_RegisterEnumValue)) #endif // DONT_USE_REGISTER_DEFINES // Use FloatRegister as shortcut class FloatRegisterImpl; typedef FloatRegisterImpl* FloatRegister; // construction inline FloatRegister as_FloatRegister(int encoding) { return (FloatRegister)(intptr_t)encoding; } // The implementation of float registers for the SPARC architecture class FloatRegisterImpl: public AbstractRegisterImpl { public: enum { number_of_registers = 64 }; enum Width { S = 1, D = 2, Q = 3 }; // construction VMReg as_VMReg( ); // accessors int encoding() const { assert(is_valid(), "invalid register"); return value(); } public: int encoding(Width w) const { const int c = encoding(); switch (w) { case S: assert(c < 32, "bad single float register"); return c; case D: assert(c < 64 && (c & 1) == 0, "bad double float register"); return (c & 0x1e) | ((c & 0x20) >> 5); case Q: assert(c < 64 && (c & 3) == 0, "bad quad float register"); return (c & 0x1c) | ((c & 0x20) >> 5); } ShouldNotReachHere(); return -1; } bool is_valid() const { return 0 <= value() && value() < number_of_registers; } const char* name() const; FloatRegister successor() const { return as_FloatRegister(encoding() + 1); } }; // The float registers of the SPARC architecture CONSTANT_REGISTER_DECLARATION(FloatRegister, fnoreg , (-1)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F0 , ( 0)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F1 , ( 1)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F2 , ( 2)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F3 , ( 3)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F4 , ( 4)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F5 , ( 5)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F6 , ( 6)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F7 , ( 7)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F8 , ( 8)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F9 , ( 9)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F10 , (10)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F11 , (11)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F12 , (12)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F13 , (13)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F14 , (14)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F15 , (15)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F16 , (16)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F17 , (17)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F18 , (18)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F19 , (19)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F20 , (20)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F21 , (21)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F22 , (22)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F23 , (23)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F24 , (24)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F25 , (25)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F26 , (26)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F27 , (27)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F28 , (28)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F29 , (29)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F30 , (30)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F31 , (31)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F32 , (32)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F34 , (34)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F36 , (36)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F38 , (38)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F40 , (40)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F42 , (42)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F44 , (44)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F46 , (46)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F48 , (48)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F50 , (50)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F52 , (52)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F54 , (54)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F56 , (56)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F58 , (58)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F60 , (60)); CONSTANT_REGISTER_DECLARATION(FloatRegister, F62 , (62)); #ifndef DONT_USE_REGISTER_DEFINES #define fnoreg ((FloatRegister)(fnoreg_FloatRegisterEnumValue)) #define F0 ((FloatRegister)( F0_FloatRegisterEnumValue)) #define F1 ((FloatRegister)( F1_FloatRegisterEnumValue)) #define F2 ((FloatRegister)( F2_FloatRegisterEnumValue)) #define F3 ((FloatRegister)( F3_FloatRegisterEnumValue)) #define F4 ((FloatRegister)( F4_FloatRegisterEnumValue)) #define F5 ((FloatRegister)( F5_FloatRegisterEnumValue)) #define F6 ((FloatRegister)( F6_FloatRegisterEnumValue)) #define F7 ((FloatRegister)( F7_FloatRegisterEnumValue)) #define F8 ((FloatRegister)( F8_FloatRegisterEnumValue)) #define F9 ((FloatRegister)( F9_FloatRegisterEnumValue)) #define F10 ((FloatRegister)( F10_FloatRegisterEnumValue)) #define F11 ((FloatRegister)( F11_FloatRegisterEnumValue)) #define F12 ((FloatRegister)( F12_FloatRegisterEnumValue)) #define F13 ((FloatRegister)( F13_FloatRegisterEnumValue)) #define F14 ((FloatRegister)( F14_FloatRegisterEnumValue)) #define F15 ((FloatRegister)( F15_FloatRegisterEnumValue)) #define F16 ((FloatRegister)( F16_FloatRegisterEnumValue)) #define F17 ((FloatRegister)( F17_FloatRegisterEnumValue)) #define F18 ((FloatRegister)( F18_FloatRegisterEnumValue)) #define F19 ((FloatRegister)( F19_FloatRegisterEnumValue)) #define F20 ((FloatRegister)( F20_FloatRegisterEnumValue)) #define F21 ((FloatRegister)( F21_FloatRegisterEnumValue)) #define F22 ((FloatRegister)( F22_FloatRegisterEnumValue)) #define F23 ((FloatRegister)( F23_FloatRegisterEnumValue)) #define F24 ((FloatRegister)( F24_FloatRegisterEnumValue)) #define F25 ((FloatRegister)( F25_FloatRegisterEnumValue)) #define F26 ((FloatRegister)( F26_FloatRegisterEnumValue)) #define F27 ((FloatRegister)( F27_FloatRegisterEnumValue)) #define F28 ((FloatRegister)( F28_FloatRegisterEnumValue)) #define F29 ((FloatRegister)( F29_FloatRegisterEnumValue)) #define F30 ((FloatRegister)( F30_FloatRegisterEnumValue)) #define F31 ((FloatRegister)( F31_FloatRegisterEnumValue)) #define F32 ((FloatRegister)( F32_FloatRegisterEnumValue)) #define F34 ((FloatRegister)( F34_FloatRegisterEnumValue)) #define F36 ((FloatRegister)( F36_FloatRegisterEnumValue)) #define F38 ((FloatRegister)( F38_FloatRegisterEnumValue)) #define F40 ((FloatRegister)( F40_FloatRegisterEnumValue)) #define F42 ((FloatRegister)( F42_FloatRegisterEnumValue)) #define F44 ((FloatRegister)( F44_FloatRegisterEnumValue)) #define F46 ((FloatRegister)( F46_FloatRegisterEnumValue)) #define F48 ((FloatRegister)( F48_FloatRegisterEnumValue)) #define F50 ((FloatRegister)( F50_FloatRegisterEnumValue)) #define F52 ((FloatRegister)( F52_FloatRegisterEnumValue)) #define F54 ((FloatRegister)( F54_FloatRegisterEnumValue)) #define F56 ((FloatRegister)( F56_FloatRegisterEnumValue)) #define F58 ((FloatRegister)( F58_FloatRegisterEnumValue)) #define F60 ((FloatRegister)( F60_FloatRegisterEnumValue)) #define F62 ((FloatRegister)( F62_FloatRegisterEnumValue)) #endif // DONT_USE_REGISTER_DEFINES // Maximum number of incoming arguments that can be passed in i registers. const int SPARC_ARGS_IN_REGS_NUM = 6; class ConcreteRegisterImpl : public AbstractRegisterImpl { public: enum { // 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 = 2*RegisterImpl::number_of_registers + FloatRegisterImpl::number_of_registers + 1 + // ccr 4 // fcc }; static const int max_gpr; static const int max_fpr; }; // Single, Double and Quad fp reg classes. These exist to map the ADLC // encoding for a floating point register, to the FloatRegister number // desired by the macroassembler. A FloatRegister is a number between // 0 and 63 passed around as a pointer. For ADLC, an fp register encoding // is the actual bit encoding used by the sparc hardware. When ADLC used // the macroassembler to generate an instruction that references, e.g., a // double fp reg, it passed the bit encoding to the macroassembler via // as_FloatRegister, which, for double regs > 30, returns an illegal // register number. // // Therefore we provide the following classes for use by ADLC. Their // sole purpose is to convert from sparc register encodings to FloatRegisters. // At some future time, we might replace FloatRegister with these classes, // hence the definitions of as_xxxFloatRegister as class methods rather // than as external inline routines. class SingleFloatRegisterImpl; typedef SingleFloatRegisterImpl *SingleFloatRegister; inline FloatRegister as_SingleFloatRegister(int encoding); class SingleFloatRegisterImpl { public: friend inline FloatRegister as_SingleFloatRegister(int encoding) { assert(encoding < 32, "bad single float register encoding"); return as_FloatRegister(encoding); } }; class DoubleFloatRegisterImpl; typedef DoubleFloatRegisterImpl *DoubleFloatRegister; inline FloatRegister as_DoubleFloatRegister(int encoding); class DoubleFloatRegisterImpl { public: friend inline FloatRegister as_DoubleFloatRegister(int encoding) { assert(encoding < 32, "bad double float register encoding"); return as_FloatRegister( ((encoding & 1) << 5) | (encoding & 0x1e) ); } }; class QuadFloatRegisterImpl; typedef QuadFloatRegisterImpl *QuadFloatRegister; class QuadFloatRegisterImpl { public: friend FloatRegister as_QuadFloatRegister(int encoding) { assert(encoding < 32 && ((encoding & 2) == 0), "bad quad float register encoding"); return as_FloatRegister( ((encoding & 1) << 5) | (encoding & 0x1c) ); } }; #endif // CPU_SPARC_VM_REGISTER_SPARC_HPP