bc12722698
Format loads divided by 2^b-1 with OpFDiv, which Vulkan only bounds to 2.5 ULP; RADV returns a different f32 than the hardware for many 8- and 16-bit values. The quotient is now built on the bits: v/(2^b-1) is v's b bits repeated, so the mantissa is the rotated value replicated and rounded on the next bit (no ties). Adds an execution test of buffer_load_format_x..xyzw, tbuffer_load_format_x/xy/xyz and buffer_store_format_x..xyzw against values measured on RDNA. Co-Authored-By: Claude <noreply@anthropic.com> |
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