ObjFW  Hex Artifact Content

Artifact 7f304f573b03eccbb08908fdebe6ec34b84119849b151c81bcfa12fcb1ee3134:

Manifest of check-in [7f304f573b] - OFMatrix4x4: SSE4.1 for -[transformVectors:count:]

This requires the vectors to be 16 byte aligned. In order to achieve
this, the OFVector4D type is changed to have an alignment of 16 bytes.
However, this does *not* break ABI because the only method actually
requiring 16 byte alignment is -[transformVectors:count:], which was not
in ObjFW 1.0. Hence binaries compiled for ObjFW 1.0 have no 16 byte
alignment for OFVector4D, but also cannot ever call into any code that
needs it. (-[transformedVector:] calls into -[transformVectors:count:],
but creates a properly aligned copy that it passes.) by js on 2023-11-03 00:16:18.


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