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3 Commits

Author SHA1 Message Date
Tim Northover
362090adf5 ARM64: fix fmsub patterns which assumed accum operand was first 
Confusingly, the NEON fmla instructions put the accumulator first but the
scalar versions put it at the end (like the fma lib function & LLVM's
intrinsic).

This should fix PR19345, assuming there's only one issue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205758 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-08 12:23:51 +00:00
Tim Northover
9542846832 ARM64: add more patterns for commuted fmsub operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205206 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-03-31 15:46:34 +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