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Michael Krumland-DunningandClaude Opus 5.5
5abefb16ac
A scalar buffer load through a V# read at run time recorded an InvalidDescriptor fault when TYPE (word 3, bits 30-31) was nonzero, and the dispatch wrote nothing. Measured with the hardware oracle on RDNA2 (gfx1036), s_buffer_load ignores the whole fourth word: OOB_SELECT, TYPE, FORMAT, ADD_TID_ENABLE, INDEX_STRIDE, RESOURCE_LEVEL and DST_SEL change no result, so the scalar path no longer checks TYPE. Vector accesses keep the check. The debt entry now records the measurement and keeps gfx1013 and a null base as open. Co-Authored-By: Claude Opus 5.5 <[email protected]>