Fix a gross typo: ARMv6+ may or may not support unaligned memory operations.
Even if they are suported by the core, they can be disabled
(this is just a configuration bit inside some register).
Allow unaligned memops on darwin and conservatively disallow them otherwise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94889 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 59c198c..3e42be3 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -3854,8 +3854,11 @@
if (!Subtarget->hasV6Ops())
// Pre-v6 does not support unaligned mem access.
return false;
- else if (!Subtarget->hasV6Ops()) {
- // v6 may or may not support unaligned mem access.
+ else {
+ // v6+ may or may not support unaligned mem access depending on the system
+ // configuration.
+ // FIXME: This is pretty conservative. Should we provide cmdline option to
+ // control the behaviour?
if (!Subtarget->isTargetDarwin())
return false;
}