Andres Freund <and...@anarazel.de> writes: > On 2018-12-01 12:06:36 -0500, Tom Lane wrote: >> I wonder whether we shouldn't remove the clang aspect of the test >> you added, ie just make it read "if on x86, you must have either >> -fexcess-precision=standard or -msse2".
> That sounds reasonable. >> Or should we go so far as to have configure add -msse2 automatically? > Probably not - there's several OSs / distributions that do not yet > require an SSE2 capable CPU. While I personally don't care much about > such machines, I don't think it's worth desupportem them as long as > mainstream compilers with -fexcess-precision=standard exist. I guess I wasn't precise enough: I meant add -msse2 if on x86 and compiler doesn't take -fexcess-precision=standard. regards, tom lane