[Bug target/67291] error: 'asm' operand has impossible constraints when compiling gromacs 5.1 testsuite on PPC64 and PPC64LE with VSX SIMD

[dominik at greysector dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67291

--- Comment #7 from Dominik Mierzejewski <dominik at greysector dot net> ---
Thanks a lot, everyone. This was really helpful. I'll bring this back to
gromacs upstream.