ASM with other compilers
Torbjorn Granlund
tg at gmplib.org
Sun Mar 27 21:13:29 CEST 2011
Marc Glisse <marc.glisse at inria.fr> writes:
On Fri, 4 Mar 2011, Marc Glisse wrote:
> currently, clang refuses to compile jb,pt (x86_64/mod_34lsub1.asm)
> (it understands jb without ,pt)
It looks like writing ds;jb is equivalent to jb,pt on gas and is more
portable, but I wouldn't trust myself about this kind of information.
I am not sure any x86 processor takes static branch prediction into
account.
We should remove the ,pt but make sure there is no slowdown for the
major processors.
--
Torbjörn
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