On Tue, May 19, 2020 at 10:28:55AM -0500, Segher Boessenkool wrote: > On Tue, May 19, 2020 at 10:22:40AM -0500, Paul A. Clarke wrote: > > On Tue, May 19, 2020 at 10:05:56AM -0500, Segher Boessenkool wrote: > > > On Tue, May 19, 2020 at 09:49:22AM -0500, Paul A. Clarke wrote: > > > > On Tue, May 19, 2020 at 10:31:56AM +1000, Alistair Popple wrote: > > > > > Matrix multiple accumulate (MMA) is a new feature added to ISAv3.1 and > > > > > > > > nit: "Matrix-Multiply Accelerator". > > > > > > "Matrix-Multiply Assist" in fact :-) > > > > Not according to the ISA (p. 1129). > > There is one mistake in the 3.1 ABI yes, in the description for the PCR > bit of this same name. Everything else calls this "assist", like all > similar things are called as well (whereas an "accelerator" is an > external device).
I stand corrected. The PCR bit description is in error, and that's what I was going by. Section 7.6.1.12 "VSX Matrix-Multiply Assist (MMA) Instructions" seems to be more definitive. Thanks, Segher, for correcting my correction. Should be "Matrix-Multiply Assist". :-) PC
