[MC] Use LShr for constant evaluation of ">>" on ELF/arm64--darwin.

[android-x86/external-llvm.git] / lib / MC / MCAsmInfoDarwin.cpp

diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
index ae9486d..bb90ff2 100644 (file)
--- a/lib/MC/MCAsmInfoDarwin.cpp
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -93,4 +93,9 @@ MCAsmInfoDarwin::MCAsmInfoDarwin() {
 
   UseIntegratedAssembler = true;
   SetDirectiveSuppressesReloc = true;
+
+  // FIXME: For now keep the previous behavior, AShr, matching the previous
+  // behavior of as(1) (both -q and -Q: resp. LLVM and gas v1.38).
+  // If/when this changes, the AArch64 Darwin special case can go away.
+  UseLogicalShr = false;
 }