On Thu, 7 Apr 2011, Gabriel Michael Black wrote:
Quoting Nilay Vaish <ni...@cs.wisc.edu>:
On Thu, 7 Apr 2011, Gabriel Michael Black wrote:
When you say this is portable, what do you mean? Portable between
compilers? We usually use gcc, but we have at least partial support for
other compilers. I think this is necessary on some platforms.
Gabe
I would still root for using popcount() builtin available with GCC.
--
Nilay
Between different versions of gcc. Do we actually test whether the code
compiles using other compilers?
--
Nilay
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I don't know if we actively test it, but it worked at one time. Ali did some
work on that, I think to get it to build with sun's compiler back when he was
doing the SPARC full system support. It would be a good idea not to bake in
any dependence on gcc.
Gabe
I agree with you. If we can avoid dependence on a compiler, we certainly
should.
--
Nilay
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