[apple/javascriptcore.git] / dfg / DFGSilentRegisterSavePlan.h

/*
 * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#ifndef DFGSilentRegisterSavePlan_h
#define DFGSilentRegisterSavePlan_h

#include <wtf/Platform.h>

#if ENABLE(DFG_JIT)

#include "DFGCommon.h"
#include "DFGFPRInfo.h"
#include "DFGGPRInfo.h"

namespace JSC { namespace DFG {

enum SilentSpillAction {
    DoNothingForSpill,
    Store32Tag,
    Store32Payload,
    StorePtr,
    Store64,
    StoreDouble
};

enum SilentFillAction {
    DoNothingForFill,
    SetInt32Constant,
    SetBooleanConstant,
    SetCellConstant,
    SetTrustedJSConstant,
    SetJSConstant,
    SetJSConstantTag,
    SetJSConstantPayload,
    SetInt32Tag,
    SetCellTag,
    SetBooleanTag,
    SetDoubleConstant,
    Load32Tag,
    Load32Payload,
    Load32PayloadBoxInt,
    LoadPtr,
    Load64,
    LoadDouble,
    LoadDoubleBoxDouble,
    LoadJSUnboxDouble
};

class SilentRegisterSavePlan {
public:
    SilentRegisterSavePlan()
        : m_spillAction(DoNothingForSpill)
        , m_fillAction(DoNothingForFill)
        , m_register(-1)
        , m_node(0)
    {
    }
    
    SilentRegisterSavePlan(
        SilentSpillAction spillAction,
        SilentFillAction fillAction,
        Node* node,
        GPRReg gpr)
        : m_spillAction(spillAction)
        , m_fillAction(fillAction)
        , m_register(gpr)
        , m_node(node)
    {
    }
    
    SilentRegisterSavePlan(
        SilentSpillAction spillAction,
        SilentFillAction fillAction,
        Node* node,
        FPRReg fpr)
        : m_spillAction(spillAction)
        , m_fillAction(fillAction)
        , m_register(fpr)
        , m_node(node)
    {
    }
    
    SilentSpillAction spillAction() const { return static_cast<SilentSpillAction>(m_spillAction); }
    SilentFillAction fillAction() const { return static_cast<SilentFillAction>(m_fillAction); }
    
    Node* node() const { return m_node; }
    
    GPRReg gpr() const { return static_cast<GPRReg>(m_register); }
    FPRReg fpr() const { return static_cast<FPRReg>(m_register); }
    
private:
    int8_t m_spillAction;
    int8_t m_fillAction;
    int8_t m_register;
    Node* m_node;
};

} } // namespace JSC::DFG

#endif // ENABLE(DFG_JIT)

#endif // DFGSilentRegisterSavePlan_h
Commit	Line	Data
93a37866 A	1	/*
	2	* Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
	14	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	15	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
	17	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	18	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	19	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	20	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	21	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	23	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef DFGSilentRegisterSavePlan_h
	27	#define DFGSilentRegisterSavePlan_h
	28
	29	#include <wtf/Platform.h>
	30
	31	#if ENABLE(DFG_JIT)
	32
	33	#include "DFGCommon.h"
	34	#include "DFGFPRInfo.h"
	35	#include "DFGGPRInfo.h"
	36
	37	namespace JSC { namespace DFG {
	38
	39	enum SilentSpillAction {
	40	DoNothingForSpill,
	41	Store32Tag,
	42	Store32Payload,
	43	StorePtr,
	44	Store64,
	45	StoreDouble
	46	};
	47
	48	enum SilentFillAction {
	49	DoNothingForFill,
	50	SetInt32Constant,
	51	SetBooleanConstant,
	52	SetCellConstant,
	53	SetTrustedJSConstant,
	54	SetJSConstant,
	55	SetJSConstantTag,
	56	SetJSConstantPayload,
	57	SetInt32Tag,
	58	SetCellTag,
	59	SetBooleanTag,
	60	SetDoubleConstant,
	61	Load32Tag,
	62	Load32Payload,
	63	Load32PayloadBoxInt,
	64	LoadPtr,
65	Load64,
66	LoadDouble,
67	LoadDoubleBoxDouble,
68	LoadJSUnboxDouble
69	};
70
71	class SilentRegisterSavePlan {
72	public:
73	SilentRegisterSavePlan()
74	: m_spillAction(DoNothingForSpill)
75	, m_fillAction(DoNothingForFill)
76	, m_register(-1)
77	, m_node(0)
78	{
79	}
80
81	SilentRegisterSavePlan(
82	SilentSpillAction spillAction,
83	SilentFillAction fillAction,
84	Node* node,
85	GPRReg gpr)
86	: m_spillAction(spillAction)
87	, m_fillAction(fillAction)
88	, m_register(gpr)
89	, m_node(node)
90	{
91	}
92
93	SilentRegisterSavePlan(
94	SilentSpillAction spillAction,
95	SilentFillAction fillAction,
96	Node* node,
97	FPRReg fpr)
98	: m_spillAction(spillAction)
99	, m_fillAction(fillAction)
100	, m_register(fpr)
101	, m_node(node)
102	{
103	}
104
105	SilentSpillAction spillAction() const { return static_cast<SilentSpillAction>(m_spillAction); }
106	SilentFillAction fillAction() const { return static_cast<SilentFillAction>(m_fillAction); }
107
108	Node* node() const { return m_node; }
109
110	GPRReg gpr() const { return static_cast<GPRReg>(m_register); }
111	FPRReg fpr() const { return static_cast<FPRReg>(m_register); }
112
113	private:
114	int8_t m_spillAction;
115	int8_t m_fillAction;
116	int8_t m_register;
117	Node* m_node;
118	};
119
120	} } // namespace JSC::DFG
121
122	#endif // ENABLE(DFG_JIT)
123
124	#endif // DFGSilentRegisterSavePlan_h
125