Hi,
as of r184040, atomics on ARM were enabled for FreeBSD. Bitrig also suffers
the issue, therefore I've attached a patch which enables those for Bitrig.
I'd like to ask you to commit it.
Thanks in advance,
Patrick Wildt
--- lib/Basic/Targets.cpp.orig Sun Jun 16 21:08:39 2013
+++ lib/Basic/Targets.cpp Sun Jun 16 21:20:01 2013
@@ -3534,7 +3534,9 @@ class ARMTargetInfo : public TargetInfo {
// the kernel which on armv6 and newer uses ldrex and strex. The net result
// is that if we assume the kernel is at least as recent as the hardware,
// it is safe to use atomic instructions on armv6 and newer.
- if (T.getOS() != llvm::Triple::Linux && T.getOS() != llvm::Triple::FreeBSD)
+ if (T.getOS() != llvm::Triple::Linux &&
+ T.getOS() != llvm::Triple::FreeBSD &&
+ T.getOS() != llvm::Triple::Bitrig)
return false;
StringRef ArchName = T.getArchName();
if (T.getArch() == llvm::Triple::arm) {
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