9dd6fcd9ec
This value takes a few instructions to create, involving expanding V-immediates, adding 8 for SIMD16, and so on. We can mark it UNDEF so that it's clear that although these are partial writes, we are actually defining the entire value. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Francisco Jerez <currojerez@riseup.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22835>