https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109154
--- Comment #22 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #21) > Created attachment 54770 [details] > gcc13-pr109154.patch > > So what about this then? > It matches the x86 FTZ behavior, because FTZ is a masked reaction to > underflow > exception, so for operations like comparisons nothing is flushed to zero nor > comparing as it was flushed to zero. > But no idea what e.g. Alpha will do, if it has in hardware support for > comparisons including denormals... I think that's reasonable but it doesn't fix the regression, we still miss to recompute zone1_17 somehow.
