/*
* Copyright ( C ) 2016 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 .
*/
"use strict" ;
class Reg extends TmpBase {
constructor(index, type, name, isCalleeSave)
{
super ();
this ._index = index;
this ._type = type;
this ._name = name;
this ._isCalleeSave = !!isCalleeSave;
}
static fromReg(reg)
{
return reg;
}
get index() { return this ._index; }
get type() { return this ._type; }
get name() { return this ._name; }
get isCalleeSave() { return this ._isCalleeSave; }
get isReg() { return true ; }
hash()
{
if (this .isGP)
return 1 + this ._index;
return -1 - this ._index;
}
toString()
{
return `%${this ._name}`;
}
static extract(arg)
{
if (arg.isReg)
return arg.reg;
return null ;
}
static forEachFast(arg, func)
{
return arg.forEachTmpFast(tmp => {
if (!tmp.isReg)
return ;
return func(tmp);
});
}
static forEach(arg, argRole, argType, argWidth, func)
{
return arg.forEachTmp(
argRole, argType, argWidth,
(tmp, role, type, width) => {
if (!tmp.isReg)
return ;
return func(tmp, role, type, width);
});
}
}
{
Reg.regs = [];
function newReg(...args)
{
let result = new Reg(...args);
Reg.regs.push(result);
return result;
}
// Define X86_64 GPRs
{
let index = 0 ;
function newGPR(name, isCalleeSave) { return newReg(index++, GP, name, isCalleeSave); }
Reg.rax = newGPR("rax" );
Reg.rcx = newGPR("rcx" );
Reg.rdx = newGPR("rdx" );
Reg.rbx = newGPR("rbx" , true );
Reg.rsp = newGPR("rsp" );
Reg.rbp = newGPR("rbp" , true );
Reg.rsi = newGPR("rsi" );
Reg.rdi = newGPR("rdi" );
for (let i = 8 ; i <= 15 ; ++i)
Reg[`r${i}`] = newGPR(`r${i}`, i >= 12 );
}
// Define X86_64 FPRs.
for (let i = 0 ; i <= 15 ; ++i)
Reg[`xmm${i}`] = newReg(i, FP, `xmm${i}`);
Reg.gprs = []
Reg.fprs = []
Reg.calleeSaveGPRs = []
Reg.calleeSaveFPRs = []
Reg.calleeSaves = []
for (let reg of Reg.regs) {
if (reg.isGP) {
Reg.gprs.push(reg);
if (reg.isCalleeSave)
Reg.calleeSaveGPRs.push(reg);
} else {
Reg.fprs.push(reg);
if (reg.isCalleeSave)
Reg.calleeSaveFPRS.push(reg);
}
if (reg.isCalleeSave)
Reg.calleeSaves.push(reg);
}
Reg.callFrameRegister = Reg.rbp;
Reg.stackPointerRegister = Reg.rsp;
}
Messung V0.5 in Prozent C=93 H=96 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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