widens

speculable  exu stream  exu block  compute phase   operation   in the signed integer value domain  

native on: all

Double the scalar width of a signed integer.

Sign extends the upper half.

The natively available byte widths on all Cores are 1, 2, 4, 8, and on the high end also 16.

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widens(s v) → s r0

operands: like Widen xx:2x

Core	In Slots	[▸]  Latencies
Tin	E0	b:h=1 h:w=1 w:d=2 d:q=2
Copper	E0 E1	b:h=1 h:w=1 w:d=2 d:q=2
Silver	E0 E1 E2 E3	b:h=1 h:w=1 w:d=2 d:q=2
Gold	E0 E1 E2 E3 E4 E5 E6 E7	b:h=1 h:w=1 w:d=2 d:q=2
Decimal8	E0 E1 E2 E3	b:h=1 h:w=1 w:d=2 d:q=2
Decimal16	E0 E1 E2 E3	b:h=1 h:w=1 w:d=2 d:q=2

Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable