Hello, On 06 июл 09:58, Hongyu Wang via Gcc-patches wrote: > Hi: > > This patch is about to support Intel Advanced Matrix Extensions (AMX) > which will be enabled in GLC. > > AMX is a new 64-bit programming paradigm consisting of two > compo nents: a set of 2-dimensional registers (tiles) representing > sub-arrays from a larger 2-dimensional memory image, > and an accelerator able to operate on tiles > > Supported instructions are > > AMX-TILE:ldtilecfg/sttilecfg/tileloadd/tileloaddt1/tilezero/tilerelease > AMX-INT8:tdpbssd/tdpbsud/tdpbusd/tdpbuud > AMX-BF16:tdpbf16ps > > The intrinsics adopts constant tile register number as its input parameters.
I didn't go into the patch deeply, but why did you use inline asm for intrinsics definition? Are you going to introduce register classes for thouse new tmm registers and new instruction definitions for new insns in machine description? -- K
