-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hans Rosenfeld wrote: > I noticed that some testcases fail when built with -O2 optimizations. > The failing tests are cos, ldexp, log, log10, pow, sin and tan from libm > and the cpuload test. > > I think the cpuload test fails because the compiler is removing some > code that has no result and no side effects (like busy delay loops), so I > don't care about it that much. > > The libm tests fail because the tested functions really produce wrong > results, like cos() returning a value > 1. For the cos() case I traced > this to __ieee754_rem_pio2(), which seems to fail completely for some > values. I have no idea what exactly is going on here. > > Does anyone else experience such problems?
What's the architecture (ppc, mips, etc)? I run 4.1.2 here all the time with no troubles. - -- - ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world - ------------------------------------------------------------ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGdZJOmaKbSsQGV8ARAtknAJ93VQL6G4fEQ2LmGajdXx8du4z5AACeN86d 4+jEEvf1canuLpIH7ncTxxE= =DtUW -----END PGP SIGNATURE----- -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
