asm/AJx87Register.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Wed, 15 Jun 2016 23:46:29 +0100
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    Copyright (c) 2012-2016 Igor Stasenko
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                            Martin McClure
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                            Damien Pollet
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                            Guido Chari
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                   2016-now Jan Vrany <jan.vrany [at] fit . cvut . cz>
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    Permission is hereby granted, free of charge, to any person obtaining a copy
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    of this software and associated documentation files (the 'Software'), to deal
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    in the Software without restriction, including without limitation the rights
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    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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    copies of the Software, and to permit persons to whom the Software is
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    furnished to do so, subject to the following conditions:
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    The above copyright notice and this permission notice shall be included in all
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    copies or substantial portions of the Software.
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    THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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    SOFTWARE.
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"
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"{ Package: 'jv:dragonfly/asm' }"
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"{ NameSpace: Smalltalk }"
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AJBaseReg subclass:#AJx87Register
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	instanceVariableNames:''
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	classVariableNames:''
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	poolDictionaries:'AJConstants'
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	category:'AsmJit-x86-Operands'
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!
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AJx87Register comment:'I am an x87 Floating Point register (ST0 - ST7) used in the FPU stack. 

The lower 64bit of the floating point ST registers are shared with the MMX registers.'
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!
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!AJx87Register class methodsFor:'documentation'!
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copyright
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"
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    Copyright (c) 2012-2016 Igor Stasenko
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                            Martin McClure
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                            Damien Pollet
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                            Camillo Bruni
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                            Guido Chari
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                   2016-now Jan Vrany <jan.vrany [at] fit . cvut . cz>
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    Permission is hereby granted, free of charge, to any person obtaining a copy
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    of this software and associated documentation files (the 'Software'), to deal
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    in the Software without restriction, including without limitation the rights
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    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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    copies of the Software, and to permit persons to whom the Software is
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    furnished to do so, subject to the following conditions:
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    The above copyright notice and this permission notice shall be included in all
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    copies or substantial portions of the Software.
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    THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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    SOFTWARE.
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"
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! !
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!AJx87Register methodsFor:'accessing'!
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code: aCode
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    code := aCode bitOr: RegX87.
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    size := 10.
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    "Modified (format): / 15-12-2015 / 23:34:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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influencingRegisters
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    "ST registers overlap with the MMX register"
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    self shouldBeImplemented.
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! !
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!AJx87Register methodsFor:'printing'!
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descriptionOn: s
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    s nextPutAll: 'A floating point register'.
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! !
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!AJx87Register methodsFor:'testing'!
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isGeneralPurpose
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    ^ false
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!
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isRegTypeX87
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    ^ true
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!
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isX86
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    ^ true
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! !
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