GMP and clang bugginess
Torbjörn Granlund
tg at gmplib.org
Mon May 25 20:34:22 UTC 2015
Marc Glisse <marc.glisse at inria.fr> writes:
> bc+ 12, 28, L(9)
> vs.
> blt+ cr7, L(24)
>
> Note that the former form works with clang 3.5 installs. A 3.6
> regression?
Indeed...
One may debate what is a valid instruction form. I suppose one needs to
read the specs for what IBM calls "extended" mnemonics/instructions.
The bc form allows numeric arguments specifying static branch
prediction. With + and some numeric value, things can be seen as
redundant and/or contradictory.
--
Torbjörn
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