On 11/29/18 1:31 PM, Peter Bergner wrote: > On 11/29/18 11:26 AM, Segher Boessenkool wrote: >> On Wed, Nov 28, 2018 at 03:27:19PM -0600, Peter Bergner wrote: >>> PR87496 shows a bug where we ICE if we attempt to use -mabi=ieeelongdouble >>> and -mno-popcntd. The IEEE128 support requires full ISA 2.06 (aka POWER7) >>> support, so we really should throw an error when using those options >>> together. Ditto for -mabi=ieeelongdouble and -mno-vsx. The patch below >>> does that. >>> >>> Ok for mainline once bootstrap and regtesting are complete and clean? >> >> Okay. Eventually we shouldn't allow selecting popcntd independently from >> -mcpu=, but that day isn't here yet. So, okay for trunk, and backports >> if wanted. Thanks! > > Ok, committed to mainline. It looks like GCC8 needs the same patch. > I'll have to look closer at GCC7 on whether it needs it too, since the > code seems to be a little different.
Ok, both GCC8 and GCC7 need the backport. I committed the backport to GCC8 and will do the same for GCC7 once the freeze is over. Peter
