Artifact c4d1f32dd0afaaba93ab2b209146b8b9badd56f6eda4aada5a9202cb29b40353:
- File
src/macros.h
— part of check-in
[7f304f573b]
at
2023-11-03 00:16:18
on branch trunk
— 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.) (user: js, size: 19412) [annotate] [blame] [check-ins using]
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