Richard Biener <richard.guent...@gmail.com> writes: > You can enable FP exceptions via fpsetexceptflag and friends (it's disabled > in the FPU by default) and if you then make sure to compile with > -fsignalling-nans (that's not the default) you will get the desired behavior > (program termination via an exception).
That will only work with SNaN, and only for input operands, since the FPU will never generate SNaN on its own. Andreas. -- Andreas Schwab, SUSE Labs, sch...@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."