projects / platform / upstream / llvm.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 5c7b1ae) | patch
[AArch64] When combining constant mul of power of 2 plus/minus 1, prefer shift
authorChad Rosier <mcrosier@codeaurora.org>
Mon, 9 Jun 2014 01:25:51 +0000 (01:25 +0000)
committerChad Rosier <mcrosier@codeaurora.org>
Mon, 9 Jun 2014 01:25:51 +0000 (01:25 +0000)
commitd96e9f14ee6691236cd51a106f6a73069ee0d10e
treed77a35300b6aa6c5b9772c0f831aec02fe88366ftree | snapshot
parent5c7b1aed5db9749f0af83320dcb2bc3d412e1821commit | diff
[AArch64] When combining constant mul of power of 2 plus/minus 1, prefer shift
plus add.  The shift can be folded into the add.  This only effects codegen
when the constant is 3.

llvm-svn: 210445
llvm/lib/Target/AArch64/AArch64ISelLowering.cpp diff | blob | history
llvm/test/CodeGen/AArch64/arm64-arith.ll diff | blob | history
Domain: System / Toolchain;