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Assembly instruction 'sr' [message #1832834]

Fri, 25 September 2020 20:28

Eclipse User

When I execute the following a carry is produced (It should)

sld %r0, 22
sr %r0, 1
sr %r0, 1

but the following dos not produce a carry

sld %r0, 22
sr %r0, 2

WHY?

Re: Assembly instruction 'sr' [message #1832846 is a reply to message #1832834]

Sat, 26 September 2020 14:15

Eclipse User

This is a bit off-topic for Eclipse C Development Toolkit.

Anyway, it would be a bit better to answer if you told which processor.

If I were you, I'd get the programming manual for the processor and look the instructions up. In many architectures, there is a difference between single bit and multiple bit shifts.

Re: Assembly instruction 'sr' [message #1832850 is a reply to message #1832846]

Sat, 26 September 2020 16:53

Eclipse User

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