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authorJim Grosbach <grosbach@apple.com>2011-09-19 17:56:37 +0000
committerJim Grosbach <grosbach@apple.com>2011-09-19 17:56:37 +0000
commit8a8d28b0392a27ff8e0c60c04561671023a08dc2 (patch)
tree2d14fd6dc8729fe59ff749df8f74f80bca101ca5 /lib/Target
parent0b8b771e9f2f251460a6f200c45efe9d55640d60 (diff)
Thumb2 assembly parsing and encoding for SXTAB/SXTAB16/SXTAH.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140029 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r--lib/Target/ARM/ARMInstrThumb2.td8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 5aec45ed9d..52d563bdcb 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/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)>;