8154156: PPC64: improve array copy stubs by using vector instructions
Reviewed-by: goetz, mdoerr
Contributed-by: Gustavo Romero <gromero@linux.vnet.ibm.com>
/*
* Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2014 SAP SE. 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.
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*/
#ifndef CPU_PPC_VM_REGISTER_PPC_HPP
#define CPU_PPC_VM_REGISTER_PPC_HPP
#include "asm/register.hpp"
// forward declaration
class Address;
class VMRegImpl;
typedef VMRegImpl* VMReg;
// PPC64 registers
//
// See "64-bit PowerPC ELF ABI Supplement 1.7", IBM Corp. (2003-10-29).
// (http://math-atlas.sourceforge.net/devel/assembly/PPC-elf64abi-1.7.pdf)
//
// r0 Register used in function prologs (volatile)
// r1 Stack pointer (nonvolatile)
// r2 TOC pointer (volatile)
// r3 Parameter and return value (volatile)
// r4-r10 Function parameters (volatile)
// r11 Register used in calls by pointer and as an environment pointer for languages which require one (volatile)
// r12 Register used for exception handling and glink code (volatile)
// r13 Reserved for use as system thread ID
// r14-r31 Local variables (nonvolatile)
//
// f0 Scratch register (volatile)
// f1-f4 Floating point parameters and return value (volatile)
// f5-f13 Floating point parameters (volatile)
// f14-f31 Floating point values (nonvolatile)
//
// LR Link register for return address (volatile)
// CTR Loop counter (volatile)
// XER Fixed point exception register (volatile)
// FPSCR Floating point status and control register (volatile)
//
// CR0-CR1 Condition code fields (volatile)
// CR2-CR4 Condition code fields (nonvolatile)
// CR5-CR7 Condition code fields (volatile)
//
// ----------------------------------------------
// On processors with the VMX feature:
// v0-v1 Volatile scratch registers
// v2-v13 Volatile vector parameters registers
// v14-v19 Volatile scratch registers
// v20-v31 Non-volatile registers
// vrsave Non-volatile 32-bit register
// Use Register as shortcut
class RegisterImpl;
typedef RegisterImpl* Register;
inline Register as_Register(int encoding) {
assert(encoding >= 0 && encoding < 32, "bad register encoding");
return (Register)(intptr_t)encoding;
}
// The implementation of integer registers for the Power architecture
class RegisterImpl: public AbstractRegisterImpl {
public:
enum {
number_of_registers = 32
};
// general construction
inline friend Register as_Register(int encoding);
// accessors
int encoding() const { assert(is_valid(), "invalid register"); return value(); }
inline VMReg as_VMReg();
Register successor() const { return as_Register(encoding() + 1); }
// testers
bool is_valid() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) < number_of_registers); }
bool is_volatile() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) <= 13 ); }
bool is_nonvolatile() const { return (14 <= (value()&0x7F) && (value()&0x7F) <= 31 ); }
const char* name() const;
};
// The integer registers of the PPC architecture
CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
CONSTANT_REGISTER_DECLARATION(Register, R0, (0));
CONSTANT_REGISTER_DECLARATION(Register, R1, (1));
CONSTANT_REGISTER_DECLARATION(Register, R2, (2));
CONSTANT_REGISTER_DECLARATION(Register, R3, (3));
CONSTANT_REGISTER_DECLARATION(Register, R4, (4));
CONSTANT_REGISTER_DECLARATION(Register, R5, (5));
CONSTANT_REGISTER_DECLARATION(Register, R6, (6));
CONSTANT_REGISTER_DECLARATION(Register, R7, (7));
CONSTANT_REGISTER_DECLARATION(Register, R8, (8));
CONSTANT_REGISTER_DECLARATION(Register, R9, (9));
CONSTANT_REGISTER_DECLARATION(Register, R10, (10));
CONSTANT_REGISTER_DECLARATION(Register, R11, (11));
CONSTANT_REGISTER_DECLARATION(Register, R12, (12));
CONSTANT_REGISTER_DECLARATION(Register, R13, (13));
CONSTANT_REGISTER_DECLARATION(Register, R14, (14));
CONSTANT_REGISTER_DECLARATION(Register, R15, (15));
CONSTANT_REGISTER_DECLARATION(Register, R16, (16));
CONSTANT_REGISTER_DECLARATION(Register, R17, (17));
CONSTANT_REGISTER_DECLARATION(Register, R18, (18));
CONSTANT_REGISTER_DECLARATION(Register, R19, (19));
CONSTANT_REGISTER_DECLARATION(Register, R20, (20));
CONSTANT_REGISTER_DECLARATION(Register, R21, (21));
CONSTANT_REGISTER_DECLARATION(Register, R22, (22));
CONSTANT_REGISTER_DECLARATION(Register, R23, (23));
CONSTANT_REGISTER_DECLARATION(Register, R24, (24));
CONSTANT_REGISTER_DECLARATION(Register, R25, (25));
CONSTANT_REGISTER_DECLARATION(Register, R26, (26));
CONSTANT_REGISTER_DECLARATION(Register, R27, (27));
CONSTANT_REGISTER_DECLARATION(Register, R28, (28));
CONSTANT_REGISTER_DECLARATION(Register, R29, (29));
CONSTANT_REGISTER_DECLARATION(Register, R30, (30));
CONSTANT_REGISTER_DECLARATION(Register, R31, (31));
//
// Because Power has many registers, #define'ing values for them is
// beneficial in code size and is worth the cost of some of the
// dangers of defines. 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_ppc.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 R0 ((Register)(R0_RegisterEnumValue))
#define R1 ((Register)(R1_RegisterEnumValue))
#define R2 ((Register)(R2_RegisterEnumValue))
#define R3 ((Register)(R3_RegisterEnumValue))
#define R4 ((Register)(R4_RegisterEnumValue))
#define R5 ((Register)(R5_RegisterEnumValue))
#define R6 ((Register)(R6_RegisterEnumValue))
#define R7 ((Register)(R7_RegisterEnumValue))
#define R8 ((Register)(R8_RegisterEnumValue))
#define R9 ((Register)(R9_RegisterEnumValue))
#define R10 ((Register)(R10_RegisterEnumValue))
#define R11 ((Register)(R11_RegisterEnumValue))
#define R12 ((Register)(R12_RegisterEnumValue))
#define R13 ((Register)(R13_RegisterEnumValue))
#define R14 ((Register)(R14_RegisterEnumValue))
#define R15 ((Register)(R15_RegisterEnumValue))
#define R16 ((Register)(R16_RegisterEnumValue))
#define R17 ((Register)(R17_RegisterEnumValue))
#define R18 ((Register)(R18_RegisterEnumValue))
#define R19 ((Register)(R19_RegisterEnumValue))
#define R20 ((Register)(R20_RegisterEnumValue))
#define R21 ((Register)(R21_RegisterEnumValue))
#define R22 ((Register)(R22_RegisterEnumValue))
#define R23 ((Register)(R23_RegisterEnumValue))
#define R24 ((Register)(R24_RegisterEnumValue))
#define R25 ((Register)(R25_RegisterEnumValue))
#define R26 ((Register)(R26_RegisterEnumValue))
#define R27 ((Register)(R27_RegisterEnumValue))
#define R28 ((Register)(R28_RegisterEnumValue))
#define R29 ((Register)(R29_RegisterEnumValue))
#define R30 ((Register)(R30_RegisterEnumValue))
#define R31 ((Register)(R31_RegisterEnumValue))
#endif
// Use ConditionRegister as shortcut
class ConditionRegisterImpl;
typedef ConditionRegisterImpl* ConditionRegister;
inline ConditionRegister as_ConditionRegister(int encoding) {
assert(encoding >= 0 && encoding < 8, "bad condition register encoding");
return (ConditionRegister)(intptr_t)encoding;
}
// The implementation of condition register(s) for the PPC architecture
class ConditionRegisterImpl: public AbstractRegisterImpl {
public:
enum {
number_of_registers = 8
};
// construction.
inline friend ConditionRegister as_ConditionRegister(int encoding);
// accessors
int encoding() const { assert(is_valid(), "invalid register"); return value(); }
inline VMReg as_VMReg();
// testers
bool is_valid() const { return (0 <= value() && value() < number_of_registers); }
bool is_nonvolatile() const { return (2 <= (value()&0x7F) && (value()&0x7F) <= 4 ); }
const char* name() const;
};
// The (parts of the) condition register(s) of the PPC architecture
// sys/ioctl.h on AIX defines CR0-CR3, so I name these CCR.
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR0, (0));
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR1, (1));
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR2, (2));
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR3, (3));
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR4, (4));
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR5, (5));
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR6, (6));
CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR7, (7));
#ifndef DONT_USE_REGISTER_DEFINES
#define CCR0 ((ConditionRegister)(CCR0_ConditionRegisterEnumValue))
#define CCR1 ((ConditionRegister)(CCR1_ConditionRegisterEnumValue))
#define CCR2 ((ConditionRegister)(CCR2_ConditionRegisterEnumValue))
#define CCR3 ((ConditionRegister)(CCR3_ConditionRegisterEnumValue))
#define CCR4 ((ConditionRegister)(CCR4_ConditionRegisterEnumValue))
#define CCR5 ((ConditionRegister)(CCR5_ConditionRegisterEnumValue))
#define CCR6 ((ConditionRegister)(CCR6_ConditionRegisterEnumValue))
#define CCR7 ((ConditionRegister)(CCR7_ConditionRegisterEnumValue))
#endif // DONT_USE_REGISTER_DEFINES
// Use FloatRegister as shortcut
class FloatRegisterImpl;
typedef FloatRegisterImpl* FloatRegister;
inline FloatRegister as_FloatRegister(int encoding) {
assert(encoding >= 0 && encoding < 32, "bad float register encoding");
return (FloatRegister)(intptr_t)encoding;
}
// The implementation of float registers for the PPC architecture
class FloatRegisterImpl: public AbstractRegisterImpl {
public:
enum {
number_of_registers = 32
};
// construction
inline friend FloatRegister as_FloatRegister(int encoding);
// accessors
int encoding() const { assert(is_valid(), "invalid register"); return value(); }
inline VMReg as_VMReg();
FloatRegister successor() const { return as_FloatRegister(encoding() + 1); }
// testers
bool is_valid() const { return (0 <= value() && value() < number_of_registers); }
const char* name() const;
};
// The float registers of the PPC 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));
#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))
#endif // DONT_USE_REGISTER_DEFINES
// Use SpecialRegister as shortcut
class SpecialRegisterImpl;
typedef SpecialRegisterImpl* SpecialRegister;
inline SpecialRegister as_SpecialRegister(int encoding) {
return (SpecialRegister)(intptr_t)encoding;
}
// The implementation of special registers for the Power architecture (LR, CTR and friends)
class SpecialRegisterImpl: public AbstractRegisterImpl {
public:
enum {
number_of_registers = 6
};
// construction
inline friend SpecialRegister as_SpecialRegister(int encoding);
// accessors
int encoding() const { assert(is_valid(), "invalid register"); return value(); }
inline VMReg as_VMReg();
// testers
bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
const char* name() const;
};
// The special registers of the PPC architecture
CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_XER, (0));
CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_LR, (1));
CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_CTR, (2));
CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_VRSAVE, (3));
CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_SPEFSCR, (4));
CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_PPR, (5));
#ifndef DONT_USE_REGISTER_DEFINES
#define SR_XER ((SpecialRegister)(SR_XER_SpecialRegisterEnumValue))
#define SR_LR ((SpecialRegister)(SR_LR_SpecialRegisterEnumValue))
#define SR_CTR ((SpecialRegister)(SR_CTR_SpecialRegisterEnumValue))
#define SR_VRSAVE ((SpecialRegister)(SR_VRSAVE_SpecialRegisterEnumValue))
#define SR_SPEFSCR ((SpecialRegister)(SR_SPEFSCR_SpecialRegisterEnumValue))
#define SR_PPR ((SpecialRegister)(SR_PPR_SpecialRegisterEnumValue))
#endif // DONT_USE_REGISTER_DEFINES
// Use VectorRegister as shortcut
class VectorRegisterImpl;
typedef VectorRegisterImpl* VectorRegister;
inline VectorRegister as_VectorRegister(int encoding) {
return (VectorRegister)(intptr_t)encoding;
}
// The implementation of vector registers for the Power architecture
class VectorRegisterImpl: public AbstractRegisterImpl {
public:
enum {
number_of_registers = 32
};
// construction
inline friend VectorRegister as_VectorRegister(int encoding);
// accessors
int encoding() const { assert(is_valid(), "invalid register"); return value(); }
// testers
bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
const char* name() const;
};
// The Vector registers of the Power architecture
CONSTANT_REGISTER_DECLARATION(VectorRegister, vnoreg, (-1));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR0, ( 0));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR1, ( 1));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR2, ( 2));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR3, ( 3));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR4, ( 4));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR5, ( 5));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR6, ( 6));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR7, ( 7));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR8, ( 8));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR9, ( 9));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR10, (10));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR11, (11));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR12, (12));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR13, (13));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR14, (14));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR15, (15));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR16, (16));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR17, (17));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR18, (18));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR19, (19));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR20, (20));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR21, (21));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR22, (22));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR23, (23));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR24, (24));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR25, (25));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR26, (26));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR27, (27));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR28, (28));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR29, (29));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR30, (30));
CONSTANT_REGISTER_DECLARATION(VectorRegister, VR31, (31));
#ifndef DONT_USE_REGISTER_DEFINES
#define vnoreg ((VectorRegister)(vnoreg_VectorRegisterEnumValue))
#define VR0 ((VectorRegister)( VR0_VectorRegisterEnumValue))
#define VR1 ((VectorRegister)( VR1_VectorRegisterEnumValue))
#define VR2 ((VectorRegister)( VR2_VectorRegisterEnumValue))
#define VR3 ((VectorRegister)( VR3_VectorRegisterEnumValue))
#define VR4 ((VectorRegister)( VR4_VectorRegisterEnumValue))
#define VR5 ((VectorRegister)( VR5_VectorRegisterEnumValue))
#define VR6 ((VectorRegister)( VR6_VectorRegisterEnumValue))
#define VR7 ((VectorRegister)( VR7_VectorRegisterEnumValue))
#define VR8 ((VectorRegister)( VR8_VectorRegisterEnumValue))
#define VR9 ((VectorRegister)( VR9_VectorRegisterEnumValue))
#define VR10 ((VectorRegister)( VR10_VectorRegisterEnumValue))
#define VR11 ((VectorRegister)( VR11_VectorRegisterEnumValue))
#define VR12 ((VectorRegister)( VR12_VectorRegisterEnumValue))
#define VR13 ((VectorRegister)( VR13_VectorRegisterEnumValue))
#define VR14 ((VectorRegister)( VR14_VectorRegisterEnumValue))
#define VR15 ((VectorRegister)( VR15_VectorRegisterEnumValue))
#define VR16 ((VectorRegister)( VR16_VectorRegisterEnumValue))
#define VR17 ((VectorRegister)( VR17_VectorRegisterEnumValue))
#define VR18 ((VectorRegister)( VR18_VectorRegisterEnumValue))
#define VR19 ((VectorRegister)( VR19_VectorRegisterEnumValue))
#define VR20 ((VectorRegister)( VR20_VectorRegisterEnumValue))
#define VR21 ((VectorRegister)( VR21_VectorRegisterEnumValue))
#define VR22 ((VectorRegister)( VR22_VectorRegisterEnumValue))
#define VR23 ((VectorRegister)( VR23_VectorRegisterEnumValue))
#define VR24 ((VectorRegister)( VR24_VectorRegisterEnumValue))
#define VR25 ((VectorRegister)( VR25_VectorRegisterEnumValue))
#define VR26 ((VectorRegister)( VR26_VectorRegisterEnumValue))
#define VR27 ((VectorRegister)( VR27_VectorRegisterEnumValue))
#define VR28 ((VectorRegister)( VR28_VectorRegisterEnumValue))
#define VR29 ((VectorRegister)( VR29_VectorRegisterEnumValue))
#define VR30 ((VectorRegister)( VR30_VectorRegisterEnumValue))
#define VR31 ((VectorRegister)( VR31_VectorRegisterEnumValue))
#endif // DONT_USE_REGISTER_DEFINES
// Use VectorSRegister as a shortcut.
class VectorSRegisterImpl;
typedef VectorSRegisterImpl* VectorSRegister;
inline VectorSRegister as_VectorSRegister(int encoding) {
return (VectorSRegister)(intptr_t)encoding;
}
// The implementation of Vector-Scalar (VSX) registers on POWER architecture.
class VectorSRegisterImpl: public AbstractRegisterImpl {
public:
enum {
number_of_registers = 32
};
// construction
inline friend VectorSRegister as_VectorSRegister(int encoding);
// accessors
int encoding() const { assert(is_valid(), "invalid register"); return value(); }
// testers
bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
const char* name() const;
};
// The Vector-Scalar (VSX) registers of the POWER architecture.
CONSTANT_REGISTER_DECLARATION(VectorSRegister, vsnoreg, (-1));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR0, ( 0));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR1, ( 1));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR2, ( 2));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR3, ( 3));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR4, ( 4));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR5, ( 5));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR6, ( 6));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR7, ( 7));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR8, ( 8));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR9, ( 9));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR10, (10));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR11, (11));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR12, (12));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR13, (13));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR14, (14));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR15, (15));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR16, (16));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR17, (17));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR18, (18));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR19, (19));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR20, (20));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR21, (21));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR22, (22));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR23, (23));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR24, (24));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR25, (25));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR26, (26));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR27, (27));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR28, (28));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR29, (29));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR30, (30));
CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR31, (31));
#ifndef DONT_USE_REGISTER_DEFINES
#define vsnoregi ((VectorSRegister)(vsnoreg_VectorSRegisterEnumValue))
#define VSR0 ((VectorSRegister)( VSR0_VectorSRegisterEnumValue))
#define VSR1 ((VectorSRegister)( VSR1_VectorSRegisterEnumValue))
#define VSR2 ((VectorSRegister)( VSR2_VectorSRegisterEnumValue))
#define VSR3 ((VectorSRegister)( VSR3_VectorSRegisterEnumValue))
#define VSR4 ((VectorSRegister)( VSR4_VectorSRegisterEnumValue))
#define VSR5 ((VectorSRegister)( VSR5_VectorSRegisterEnumValue))
#define VSR6 ((VectorSRegister)( VSR6_VectorSRegisterEnumValue))
#define VSR7 ((VectorSRegister)( VSR7_VectorSRegisterEnumValue))
#define VSR8 ((VectorSRegister)( VSR8_VectorSRegisterEnumValue))
#define VSR9 ((VectorSRegister)( VSR9_VectorSRegisterEnumValue))
#define VSR10 ((VectorSRegister)( VSR10_VectorSRegisterEnumValue))
#define VSR11 ((VectorSRegister)( VSR11_VectorSRegisterEnumValue))
#define VSR12 ((VectorSRegister)( VSR12_VectorSRegisterEnumValue))
#define VSR13 ((VectorSRegister)( VSR13_VectorSRegisterEnumValue))
#define VSR14 ((VectorSRegister)( VSR14_VectorSRegisterEnumValue))
#define VSR15 ((VectorSRegister)( VSR15_VectorSRegisterEnumValue))
#define VSR16 ((VectorSRegister)( VSR16_VectorSRegisterEnumValue))
#define VSR17 ((VectorSRegister)( VSR17_VectorSRegisterEnumValue))
#define VSR18 ((VectorSRegister)( VSR18_VectorSRegisterEnumValue))
#define VSR19 ((VectorSRegister)( VSR19_VectorSRegisterEnumValue))
#define VSR20 ((VectorSRegister)( VSR20_VectorSRegisterEnumValue))
#define VSR21 ((VectorSRegister)( VSR21_VectorSRegisterEnumValue))
#define VSR22 ((VectorSRegister)( VSR22_VectorSRegisterEnumValue))
#define VSR23 ((VectorSRegister)( VSR23_VectorSRegisterEnumValue))
#define VSR24 ((VectorSRegister)( VSR24_VectorSRegisterEnumValue))
#define VSR25 ((VectorSRegister)( VSR25_VectorSRegisterEnumValue))
#define VSR26 ((VectorSRegister)( VSR26_VectorSRegisterEnumValue))
#define VSR27 ((VectorSRegister)( VSR27_VectorSRegisterEnumValue))
#define VSR28 ((VectorSRegister)( VSR28_VectorSRegisterEnumValue))
#define VSR29 ((VectorSRegister)( VSR29_VectorSRegisterEnumValue))
#define VSR30 ((VectorSRegister)( VSR30_VectorSRegisterEnumValue))
#define VSR31 ((VectorSRegister)( VSR31_VectorSRegisterEnumValue))
#endif // DONT_USE_REGISTER_DEFINES
// Maximum number of incoming arguments that can be passed in i registers.
const int PPC_ARGS_IN_REGS_NUM = 8;
// Need to know the total number of registers of all sorts for SharedInfo.
// Define a class that exports it.
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 =
( RegisterImpl::number_of_registers +
FloatRegisterImpl::number_of_registers )
* 2 // register halves
+ ConditionRegisterImpl::number_of_registers // condition code registers
+ SpecialRegisterImpl::number_of_registers // special registers
+ VectorRegisterImpl::number_of_registers // vector registers
};
static const int max_gpr;
static const int max_fpr;
static const int max_cnd;
};
// Common register declarations used in assembler code.
REGISTER_DECLARATION(Register, R0_SCRATCH, R0); // volatile
REGISTER_DECLARATION(Register, R1_SP, R1); // non-volatile
REGISTER_DECLARATION(Register, R2_TOC, R2); // volatile
REGISTER_DECLARATION(Register, R3_RET, R3); // volatile
REGISTER_DECLARATION(Register, R3_ARG1, R3); // volatile
REGISTER_DECLARATION(Register, R4_ARG2, R4); // volatile
REGISTER_DECLARATION(Register, R5_ARG3, R5); // volatile
REGISTER_DECLARATION(Register, R6_ARG4, R6); // volatile
REGISTER_DECLARATION(Register, R7_ARG5, R7); // volatile
REGISTER_DECLARATION(Register, R8_ARG6, R8); // volatile
REGISTER_DECLARATION(Register, R9_ARG7, R9); // volatile
REGISTER_DECLARATION(Register, R10_ARG8, R10); // volatile
REGISTER_DECLARATION(FloatRegister, F0_SCRATCH, F0); // volatile
REGISTER_DECLARATION(FloatRegister, F1_RET, F1); // volatile
REGISTER_DECLARATION(FloatRegister, F1_ARG1, F1); // volatile
REGISTER_DECLARATION(FloatRegister, F2_ARG2, F2); // volatile
REGISTER_DECLARATION(FloatRegister, F3_ARG3, F3); // volatile
REGISTER_DECLARATION(FloatRegister, F4_ARG4, F4); // volatile
REGISTER_DECLARATION(FloatRegister, F5_ARG5, F5); // volatile
REGISTER_DECLARATION(FloatRegister, F6_ARG6, F6); // volatile
REGISTER_DECLARATION(FloatRegister, F7_ARG7, F7); // volatile
REGISTER_DECLARATION(FloatRegister, F8_ARG8, F8); // volatile
REGISTER_DECLARATION(FloatRegister, F9_ARG9, F9); // volatile
REGISTER_DECLARATION(FloatRegister, F10_ARG10, F10); // volatile
REGISTER_DECLARATION(FloatRegister, F11_ARG11, F11); // volatile
REGISTER_DECLARATION(FloatRegister, F12_ARG12, F12); // volatile
REGISTER_DECLARATION(FloatRegister, F13_ARG13, F13); // volatile
#ifndef DONT_USE_REGISTER_DEFINES
#define R0_SCRATCH AS_REGISTER(Register, R0)
#define R1_SP AS_REGISTER(Register, R1)
#define R2_TOC AS_REGISTER(Register, R2)
#define R3_RET AS_REGISTER(Register, R3)
#define R3_ARG1 AS_REGISTER(Register, R3)
#define R4_ARG2 AS_REGISTER(Register, R4)
#define R5_ARG3 AS_REGISTER(Register, R5)
#define R6_ARG4 AS_REGISTER(Register, R6)
#define R7_ARG5 AS_REGISTER(Register, R7)
#define R8_ARG6 AS_REGISTER(Register, R8)
#define R9_ARG7 AS_REGISTER(Register, R9)
#define R10_ARG8 AS_REGISTER(Register, R10)
#define F0_SCRATCH AS_REGISTER(FloatRegister, F0)
#define F1_RET AS_REGISTER(FloatRegister, F1)
#define F1_ARG1 AS_REGISTER(FloatRegister, F1)
#define F2_ARG2 AS_REGISTER(FloatRegister, F2)
#define F3_ARG3 AS_REGISTER(FloatRegister, F3)
#define F4_ARG4 AS_REGISTER(FloatRegister, F4)
#define F5_ARG5 AS_REGISTER(FloatRegister, F5)
#define F6_ARG6 AS_REGISTER(FloatRegister, F6)
#define F7_ARG7 AS_REGISTER(FloatRegister, F7)
#define F8_ARG8 AS_REGISTER(FloatRegister, F8)
#define F9_ARG9 AS_REGISTER(FloatRegister, F9)
#define F10_ARG10 AS_REGISTER(FloatRegister, F10)
#define F11_ARG11 AS_REGISTER(FloatRegister, F11)
#define F12_ARG12 AS_REGISTER(FloatRegister, F12)
#define F13_ARG13 AS_REGISTER(FloatRegister, F13)
#endif
// Register declarations to be used in frame manager assembly code.
// Use only non-volatile registers in order to keep values across C-calls.
REGISTER_DECLARATION(Register, R14_bcp, R14);
REGISTER_DECLARATION(Register, R15_esp, R15);
REGISTER_DECLARATION(FloatRegister, F15_ftos, F15);
REGISTER_DECLARATION(Register, R16_thread, R16); // address of current thread
REGISTER_DECLARATION(Register, R17_tos, R17); // address of Java tos (prepushed).
REGISTER_DECLARATION(Register, R18_locals, R18); // address of first param slot (receiver).
REGISTER_DECLARATION(Register, R19_method, R19); // address of current method
#ifndef DONT_USE_REGISTER_DEFINES
#define R14_bcp AS_REGISTER(Register, R14)
#define R15_esp AS_REGISTER(Register, R15)
#define F15_ftos AS_REGISTER(FloatRegister, F15)
#define R16_thread AS_REGISTER(Register, R16)
#define R17_tos AS_REGISTER(Register, R17)
#define R18_locals AS_REGISTER(Register, R18)
#define R19_method AS_REGISTER(Register, R19)
#define R21_sender_SP AS_REGISTER(Register, R21)
#define R23_method_handle AS_REGISTER(Register, R23)
#endif
// Temporary registers to be used within frame manager. We can use
// the non-volatiles because the call stub has saved them.
// Use only non-volatile registers in order to keep values across C-calls.
REGISTER_DECLARATION(Register, R21_tmp1, R21);
REGISTER_DECLARATION(Register, R22_tmp2, R22);
REGISTER_DECLARATION(Register, R23_tmp3, R23);
REGISTER_DECLARATION(Register, R24_tmp4, R24);
REGISTER_DECLARATION(Register, R25_tmp5, R25);
REGISTER_DECLARATION(Register, R26_tmp6, R26);
REGISTER_DECLARATION(Register, R27_tmp7, R27);
REGISTER_DECLARATION(Register, R28_tmp8, R28);
REGISTER_DECLARATION(Register, R29_tmp9, R29);
REGISTER_DECLARATION(Register, R24_dispatch_addr, R24);
REGISTER_DECLARATION(Register, R25_templateTableBase, R25);
REGISTER_DECLARATION(Register, R26_monitor, R26);
REGISTER_DECLARATION(Register, R27_constPoolCache, R27);
REGISTER_DECLARATION(Register, R28_mdx, R28);
REGISTER_DECLARATION(Register, R19_inline_cache_reg, R19);
REGISTER_DECLARATION(Register, R29_TOC, R29);
#ifndef DONT_USE_REGISTER_DEFINES
#define R21_tmp1 AS_REGISTER(Register, R21)
#define R22_tmp2 AS_REGISTER(Register, R22)
#define R23_tmp3 AS_REGISTER(Register, R23)
#define R24_tmp4 AS_REGISTER(Register, R24)
#define R25_tmp5 AS_REGISTER(Register, R25)
#define R26_tmp6 AS_REGISTER(Register, R26)
#define R27_tmp7 AS_REGISTER(Register, R27)
#define R28_tmp8 AS_REGISTER(Register, R28)
#define R29_tmp9 AS_REGISTER(Register, R29)
// Lmonitors : monitor pointer
// LcpoolCache: constant pool cache
// mdx: method data index
#define R24_dispatch_addr AS_REGISTER(Register, R24)
#define R25_templateTableBase AS_REGISTER(Register, R25)
#define R26_monitor AS_REGISTER(Register, R26)
#define R27_constPoolCache AS_REGISTER(Register, R27)
#define R28_mdx AS_REGISTER(Register, R28)
#define R19_inline_cache_reg AS_REGISTER(Register, R19)
#define R29_TOC AS_REGISTER(Register, R29)
#endif
// Scratch registers are volatile.
REGISTER_DECLARATION(Register, R11_scratch1, R11);
REGISTER_DECLARATION(Register, R12_scratch2, R12);
#ifndef DONT_USE_REGISTER_DEFINES
#define R11_scratch1 AS_REGISTER(Register, R11)
#define R12_scratch2 AS_REGISTER(Register, R12)
#endif
#endif // CPU_PPC_VM_REGISTER_PPC_HPP