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(parent: 70a4e3c) | patch
Add -disable-shifter-op to disable isel of shifter ops. On Cortex-a9 the shifts cost...
authorEvan Cheng <evan.cheng@apple.com>
Fri, 30 Jul 2010 23:33:54 +0000 (23:33 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Fri, 30 Jul 2010 23:33:54 +0000 (23:33 +0000)
commita2c519bd0bdb19d4bb1f2377fcf429653af95960
tree42d2ce6fef4a199ba395e51da2d50146ccd67857tree | snapshot
parent70a4e3c532ea1985278f85bf51296dcd0da65eadcommit | diff
Add -disable-shifter-op to disable isel of shifter ops. On Cortex-a9 the shifts cost extra instructions so it might be better to emit them separately to take advantage of dual-issues.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109934 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMISelDAGToDAG.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors