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4 Commits (73132a6c9832d939f190742a326663a7dcebd339)

Author SHA1 Message Date
David Chisnall 934cd13a7a Initial pass at Windows support. 
All tests now pass with the new ABI on x86-64, with the new ABI.  Some
of the code is ugly and other platforms are probably broken.
 8 years ago
David Chisnall c3c81796ca Rework slot handling so that the fields that are used for dispatch are 
at the start of the structure, making it easier to change the layout in
the future.

Also clean up the growth of various fields and consolidate some of the
metadata into a pointer to the `struct objc_method`.
 10 years ago
David Chisnall b952a21abe Add objc_msgSend for AArch64. 
An interesting feature of the AArch64 ABI simplifies this code relative to other platforms.  AArch64 reserves an extra register (x8) for the address of struct returns, giving the
 10 years ago
David Chisnall 5107130277 Move the data for sparse arrays into the tree structure. 
This saves one load on the message send path for each tree depth (2
loads in the common case, 3 if you have a lot of selectors), which
should improve cache usage considerably.

Note: This is a checkpoint commit.  Currently, every objc_msgSend()
implementation except for x86-64 is broken.
 10 years ago