Vincent Lefevre <[EMAIL PROTECTED]> writes: | On 2005-06-19 10:59:24 +0200, Mattias Karlsson wrote: | > On Sun, 19 Jun 2005, Vincent Lefevre wrote: | > | > >>Since the "gcc-is-buggy" solution of changing x87 rounding modes will: | > >>1) Be a lot of work. | > >>2) Cause a lot of regressions. | > > | > >This remains to see. BTW, the Opteron uses SSE by default. Did you see | > >a lot of regressions? | > | > Opteron is not an issue, when I talked about regressions above I | > dont mean only "My code give a diffrent answer" regressions but also | > "My code that uses both float/doubles is bigger and slower" | | Not by the proposed solution "of changing x87 rounding modes". | Of course, this solution is not sufficient to completely fix the | bug (due to the exponent range), but it would solve most problems.
since you seem OK with that solution, would you mind preparing a patch? (discussions are not executables; someone needs to make things happen.) -- Gaby
