Difference between revisions of "Instruction Set/negss"
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Integer arithmetic negation. Saturating overflow. | Integer arithmetic negation. Saturating overflow. | ||
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| + | For arithmetic negation in two complement values the only value that can overflow is the smallest possible number for the width. In saturating overflow it it becomes |x|-1. | ||
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Revision as of 16:42, 20 January 2015
realizing exu stream exu block compute phase operation in the signed integer value domain using saturating overflow behavior that produces condition codes
aliases: negssv
native on: all
Integer arithmetic negation. Saturating overflow.
For arithmetic negation in two complement values the only value that can overflow is the smallest possible number for the width. In saturating overflow it it becomes |x|-1.
operands: like Identity [xx:x]
| Core | In Slots | Latencies |
|---|---|---|
| Tin | E0 | 2 |
| Copper | E0 E1 | 2 |
| Silver | E0 E1 E2 E3 | 2 |
| Gold | E0 E1 E2 E3 E4 E5 E6 E7 | 2 |
| Decimal8 | E0 E1 E2 E3 | 2 |
| Decimal16 | E0 E1 E2 E3 | 2 |
Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable
