Implement bswap

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70753 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/MSP430/MSP430InstrInfo.td b/lib/Target/MSP430/MSP430InstrInfo.td
index 63576b0b212bc7f7aeda11c95a7bcb62e0cca589..df60209d3da20503e4e1909dc362f7c46e8bfe34 100644 (file)
--- a/lib/Target/MSP430/MSP430InstrInfo.td
+++ b/lib/Target/MSP430/MSP430InstrInfo.td
@@ -602,13 +602,12 @@ def SEXT16r : Pseudo<(outs GR16:$dst), (ins GR16:$src),
                      [(set GR16:$dst, (sext_inreg GR16:$src, i8)),
                       (implicit SRW)]>;
 
-//def SEXT16r : Pseudo<(outs GR16:$dst), (ins GR16:$src),
-//                     "sxt\t$dst",
-//                     [(set GR16:$dst, (sext_inreg GR16:$src, i8)),
-//                      (implicit SRW)]>;
-
 } // Defs = [SRW]
 
+def SWPB16r : Pseudo<(outs GR16:$dst), (ins GR16:$src),
+                     "swpb\t$dst",
+                     [(set GR16:$dst, (bswap GR16:$src))]>;
+
 let isCommutable = 1 in { // X = OR Y, Z  == X = OR Z, Y
 def OR8rr  : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                     "bis.b\t{$src2, $dst}",