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Attached is a cleaned up patch. Andrew -------------- next part -------------- A non-text attachment was scrubbed... Name: packed.patch Type: text/x-patch Size: 12700 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20061206/26110f77/attachment.bin>

...requires llvm_extra.patch, not included in the previous emails. Andrew -------------- next part -------------- A non-text attachment was scrubbed... Name: llvm_extra.patch Type: text/x-patch Size: 1677 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20061206/1c88dea4/attachment.bin> -------------- next part -------------- A non-text attachment was scrubbed... Name: gcc.patch Type: text/x-patch Size: 2714 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20061206/1c88dea4/attachment-0001.bin>

Currently, Structure layout is left to targets, which implement them according to the ABI of that platform. While this is fine for most structures, it makes packed structures very ugly. All fields in a packed type must be converted to byte arrays with casts to access fields, which bloats accesses and obsfucates the types. First class support for packed types would clean up the generated code