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* Fix formatting in AArch64 backend.Tim Northover2013-02-053-69/+70
| | | | | | | | | | | This should fix three purely whitespace issues: + 80 column violations. + Tab characters. + TableGen brace placement. No functional changes. llvm-svn: 174370
* Remove cyclic dependency in AArch64 librariesTim Northover2013-02-054-1578/+3
| | | | | | | | This moves the bit twiddling and string fiddling functions required by other parts of the backend into a separate library. Previously they resided in AArch64Desc, which created a circular dependency between various components. llvm-svn: 174369
* Give explicit suffix to integer constant over 32-bits.Tim Northover2013-02-041-1/+1
| | | | llvm-svn: 174324
* Add AArch64 as an experimental target.Tim Northover2013-01-3116-0/+3969
This patch adds support for AArch64 (ARM's 64-bit architecture) to LLVM in the "experimental" category. Currently, it won't be built unless requested explicitly. This initial commit should have support for: + Assembly of all scalar (i.e. non-NEON, non-Crypto) instructions (except the late addition CRC instructions). + CodeGen features required for C++03 and C99. + Compilation for the "small" memory model: code+static data < 4GB. + Absolute and position-independent code. + GNU-style (i.e. "__thread") TLS. + Debugging information. The principal omission, currently, is performance tuning. This patch excludes the NEON support also reviewed due to an outbreak of batshit insanity in our legal department. That will be committed soon bringing the changes to precisely what has been approved. Further reviews would be gratefully received. llvm-svn: 174054
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