Andres Freund <andres@anarazel.de> writes:
> ... Note that we've previously encountered similar issues
> on gcc, which is why we've tried to force gcc's hand with
> -fexcess-precision=standard.
Right. Annoying that clang doesn't have that. We can't realistically
program around an issue that might or might not show up depending on the
whims of the compiler's register allocation.
> I kinda wonder if we should add -mno-x87 or such in configure when we
> detect clang, obviously it doesn't deal correctly with this.
Seems worth looking into, but what happens if someone tries to compile
for x87 hardware? Or do we care anymore?
regards, tom lane