RegAllocGreedy behaves host-dependent (-mfpmath on i686)

Rafael EspĂ­ndola rafael.espindola at gmail.com
Wed Feb 5 15:42:18 PST 2014


On 3 February 2014 07:49, Chandler Carruth <chandlerc at google.com> wrote:
> We should simply remove the use of floating point math from LLVM for
> anything other than statistics. It has been a *very* long standing problem.

Another option would be to require a host with IEEE floating point. On
X86 this would mean using -msse2. On ARM it would mean not using Neon
for fp math.

Is there a MSVC option equivalent to -msse2?

Cheers,
Rafael



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