On Thu, Jul 16, 2026 at 08:59:06AM +0530, Surya Kumari Jangala wrote: > The Dense Math Facility, which may be present in a future processor, > extends the Power architecture's computational capabilities by providing > eight dedicated registers (dmr0-dmr7) that can efficiently handle large > matrix operations. These registers will also be used in cryptographic > operations. > There are no operations to load/store Dense Math registers from/to > memory. For loading from memory, the 1024 bit value is first loaded into > 8 VSX registers which are then copied into a DMR register. Similarly, > to store the contents of a DMR register into memory, the the contents > of the DMR are copied to 8 VSX registers which are then loaded into > memory. > The DMR registers are treated as caller-saved.
All of these patches are cleared to be back ported to the GCC 16 branch after a short delay to make sure the master branch was not broken, given they only modify PowerPC specific files or documentation files. -- Michael Meissner, IBM PO Box 98, Ayer, Massachusetts, USA, 01432 email: [email protected]
