Rose::BitOps::signExtendLsb

Sign extend part of value without affecting other bits.

Synopsis

Declared in <src/Rose/BitOps.h>

template<typename Unsigned>
Unsigned
signExtendLsb(
    Unsigned src,
    size_t n,
    size_t m);

Description

Sign extends the low‐order n bits of the input value to occupy the lower order m bits of the output, where m is greater than or equal to n and less than or equal to the number of bits in the src value.

Return Value

Updated value.

Parameters

Name	Description
src	Input value.
n	Width of the signed region.
m	Width of the output region.

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