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-rw-r--r--llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index c2ef0903615..c3ce11e3b5b 100644
--- a/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -840,6 +840,10 @@ bool ARMAsmPrinter::doInitialization(Module &M) {
if (Subtarget->isTargetDarwin())
Mang->setUseQuotes(true);
+ // Thumb-2 instructions are supported only in unified assembler syntax mode.
+ if (Subtarget->isTargetELF() && Subtarget->hasThumb2())
+ O << "\t.syntax unified\n";
+
// Emit ARM Build Attributes
if (Subtarget->isTargetELF()) {
// CPU Type
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