129 lines
4.6 KiB
Markdown
129 lines
4.6 KiB
Markdown
---
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title: " Logical Operations"
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TARGET DECK: Obsidian::STEM
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FILE TAGS: x86-64
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tags:
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- x86-64
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---
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### Unary Operations
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| Instruction | Operands | Effect | Description |
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| ----------- | -------- | ---------- | ----------- |
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| `neg[bwlq]` | D | D <- -D | Negate |
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| `not[bwlq]` | D | D <- ~D | Complement |
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%%ANKI
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Basic
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What do the instructions in the `NEG` instruction class do?
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Back: Negates the specified destination.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716125986913-->
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END%%
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%%ANKI
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Basic
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Which instruction class corresponds to effect $D \leftarrow -D$?
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Back: `NEG`
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716127743486-->
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END%%
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%%ANKI
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Cloze
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The {`NEG`} instruction class is to x86-64 whereas the {`-`} *unary* operator is to C.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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Tags: c17
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<!--ID: 1716126147801-->
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END%%
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%%ANKI
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Basic
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What do the instructions in the `NOT` instruction class do?
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Back: Complements the specified destination.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716125986916-->
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END%%
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%%ANKI
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Basic
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Which instruction class corresponds to effect $D \leftarrow \textasciitilde D$?
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Back: `NOT`
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716127743488-->
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END%%
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%%ANKI
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Cloze
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The {`NOT`} instruction class is to x86-64 whereas the {`~`} operator is to C.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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Tags: c17
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<!--ID: 1716126147804-->
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END%%
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%%ANKI
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Cloze
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{1:`NEG`} is to {2:negation} whereas {2:`NOT`} is to {1:complement}.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716381321937-->
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END%%
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## Binary Operations
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| Instruction | Operands | Effect | Description |
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| ------------ | -------- | ----------- | -------------- |
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| `xor[bwlq]` | S, D | D <- D ^ S | Exclusive-or |
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| `or[bwlq]` | S, D | D <- D \| S | Or |
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| `and[bwlq]` | S, D | D <- D & S | And |
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%%ANKI
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Basic
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Which instruction class corresponds to effect $D \leftarrow D \;^\wedge\; S$?
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Back: `XOR`
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716127743505-->
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END%%
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%%ANKI
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Cloze
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The {`XOR`} instruction class is to x86-64 as the {`^=`} operator is to C.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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Tags: c17
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<!--ID: 1716128138040-->
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END%%
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%%ANKI
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Basic
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Which instruction class corresponds to effect $D \leftarrow D \mid S$?
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Back: `OR`
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716127743508-->
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END%%
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%%ANKI
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Cloze
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The {`OR`} instruction class is to x86-64 as the {`|=`} operator is to C.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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Tags: c17
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<!--ID: 1716128138043-->
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END%%
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%%ANKI
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Basic
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Which instruction class corresponds to effect $D \leftarrow D \;\&\; S$?
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Back: `AND`
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1716127743511-->
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END%%
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%%ANKI
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Cloze
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The {`AND`} instruction class is to x86-64 as the {`&=`} operator is to C.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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Tags: c17
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<!--ID: 1716128138046-->
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END%%
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## Bibliography
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* Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016. |