On Wed, 15 Aug 2018 at 11:33, Jeffrey Walton via cfarm-users <[email protected]> wrote: > > I'm catching a SIGILL on POWER7 ppc64-le machine. I compiled the > source with -mcpu=power8 so I could enable some builtins I may need. > Use of the builtins is guarded at runtime. (This is the classic distro > model, where most source code is compiled for a minimum machine but > higher ISAs are guarded at runtime). > > GCC converted some C code into POWER8 code. The SIGILL is happening in > the function prologue due to use of mtfprwz. Apparently mtfprwz is a > ISA 2.07B/POWER8 instruction. > > My question is, how do I tell GCC to use a different ISA than I am using?
Doesn't this belong on [email protected] not the cfarm users list? _______________________________________________ cfarm-users mailing list [email protected] https://lists.tetaneutral.net/listinfo/cfarm-users
