[Hexagon] Adding DuplexInst instruction format and duplex class defs.

[oota-llvm.git] / lib / Target / Hexagon / HexagonInstrInfo.td

diff --git a/lib/Target/Hexagon/HexagonInstrInfo.td b/lib/Target/Hexagon/HexagonInstrInfo.td
index 9d2679c4f80a052d4726788977ebb50dd65c7d24..e124bbfa14c49617994e1b73a3e1354b8acdc304 100644 (file)
--- a/lib/Target/Hexagon/HexagonInstrInfo.td
+++ b/lib/Target/Hexagon/HexagonInstrInfo.td
@@ -5741,6 +5741,22 @@ def S2_tableidxh : tableidxRaw<"tableidxh", 0b01>;
 def S2_tableidxw : tableidxRaw<"tableidxw", 0b10>;
 def S2_tableidxd : tableidxRaw<"tableidxd", 0b11>;
 
+//===----------------------------------------------------------------------===//
+// Template class for 'table index' instructions which are assembler mapped
+// to their :raw format.
+//===----------------------------------------------------------------------===//
+let isPseudo = 1 in
+class tableidx_goodsyntax <string mnemonic>
+  : SInst <(outs IntRegs:$Rx),
+           (ins IntRegs:$_dst_, IntRegs:$Rs, u4Imm:$u4, u5Imm:$u5),
+           "$Rx = "#mnemonic#"($Rs, #$u4, #$u5)",
+           [], "$Rx = $_dst_" >;
+
+def S2_tableidxb_goodsyntax : tableidx_goodsyntax<"tableidxb">;
+def S2_tableidxh_goodsyntax : tableidx_goodsyntax<"tableidxh">;
+def S2_tableidxw_goodsyntax : tableidx_goodsyntax<"tableidxw">;
+def S2_tableidxd_goodsyntax : tableidx_goodsyntax<"tableidxd">;
+
 //===----------------------------------------------------------------------===//
 // V3 Instructions +
 //===----------------------------------------------------------------------===//