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Since we split misaligned attributes, we could overwrite one of these VGPRs in the middle of loading the attribute. For example: v_add_u32_e32 v4, vcc, s7, v1 s_waitcnt lgkmcnt(0) buffer_load_dword v4, v4, s[32:35], 0 idxen buffer_load_dword v5, v4, s[32:35], 0 idxen offset:4 can overwrite the vertex index in the load of the first component. Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Cc: mesa-stable Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27920> |
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