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-rw-r--r--llvm/lib/Target/ARM/ARMInstrThumb2.td8
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td
index 5aec45ed9d7..52d563bdcb7 100644
--- a/llvm/lib/Target/ARM/ARMInstrThumb2.td
+++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td
@@ -3922,3 +3922,11 @@ def : t2InstAlias<"strb${p} $Rt, $addr",
(t2STRBs rGPR:$Rt, t2addrmode_so_reg:$addr, pred:$p)>;
def : t2InstAlias<"strh${p} $Rt, $addr",
(t2STRHs rGPR:$Rt, t2addrmode_so_reg:$addr, pred:$p)>;
+
+// Extend instruction optional rotate operand.
+def : t2InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
+ (t2SXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
+def : t2InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
+ (t2SXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
+def : t2InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
+ (t2SXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
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