Re: [PATCH], PR 77670, Fix PowerPC ISA 3.0 -mpower9-minmax code generation

2016-09-21 Thread Segher Boessenkool
On Tue, Sep 20, 2016 at 07:38:43PM -0400, Michael Meissner wrote: > Since this is in ISA 3.0 code only, I did not do the full bootstrap and make > check sequence. I can do this if you prefer. Yes, please do, to make sure you didn't accidentally break something else. > Is the patch ok to put

[PATCH], PR 77670, Fix PowerPC ISA 3.0 -mpower9-minmax code generation

2016-09-20 Thread Michael Meissner
There are some instructions in PowerPC ISA 3.0 that are not currently enabled by default when you use -mcpu=power9. These instructions are currently added with the -mpower9-minmax switch. I recently built Spec 2006 with the current trunk compiler, and I discovered that three of the benchmarks