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Re: A patch for sysdeps/i386/fpu/libm-test-ulps
On Thu, Nov 30, 2000 at 02:40:51PM -0800, Ulrich Drepper wrote:
> Ulrich Drepper <email@example.com> writes:
> > "H . J . Lu" <firstname.lastname@example.org> writes:
> > > "gcc -Os" under RedHat 7.0 generates different math results. Here is
> > > the update for sysdeps/i386/fpu/libm-test-ulps.
> > -Os is not supported. It generates wrong code as repeatedly reported.
> And additionally, the libm-test-ulps are not there to help every
> compilation pass. They are there to ensure quality. If a compiler
> generates code which makes a test fail (while compiled differently it
> works) this means that either the compiler or the code need work. On
> x86 the math library simply depends on some functions being inlined
> and this is what -Os prevents.
Does -Os affect the math library only?
H.J. Lu (email@example.com)