gcc -ffast-math defect with tan(x)

Dave Korn dave.korn.cygwin@googlemail.com
Tue Nov 17 15:04:00 GMT 2009


Dave Korn wrote:
> maybe _f_tan needs to be 'popping' (or in some way marking
> invalid) that unused +1.0 constant rather than just skipping the stack pointer
> over it.  

  Needs moar 'ffree st(0)'.

  This will require a newlib patch and a new cygwin dll release to solve,
it'll take a little while I'm afraid.

    cheers,
      DaveK

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