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2 Commits

Author SHA1 Message Date
Tim Northover
2a83cb71ad AArch64/ARM64: only mangle MOVZ/MOVN during encoding when needed 
Sometimes we need emit the bits that would actually be a MOVN when producing a
relocated MOVZ instruction (don't ask). But not always, a check which ARM64 got
wrong until now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206289 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-15 14:00:15 +00:00
Tim Northover
7b837d8c75 ARM64: initial backend import 
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-03-29 10:18:08 +00:00