https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108922
--- Comment #33 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Uroš Bizjak from comment #20) > (In reply to Jakub Jelinek from comment #16) > > > More questionable is the #Z case, where Table 8-11 just talks about > > Divide or reverse divide operation Returns an ∞ signed with the exclusive > > OR of the > > with a 0 divisor. sign of the two operands to the > > destination operand. > > but FPREM does division too, so I hope it is covered too (but not listed > > explicitly). > > FYI, the table 3-30 (and 3-31) is wrong. Executing fprem when st(0) == 1.0 > and st(1) == 0.0 results in IA exception, not Z exception. Thanks for bringing it up. It will be fixed in the next revision for Intel SDM.
