[llvm-commits] [llvm] r121299 - in /llvm/trunk/utils/TableGen: NeonEmitter.cpp NeonEmitter.h

[Bob Wilson]

Author: bwilson
Date: Wed Dec  8 16:36:08 2010
New Revision: 121299

URL: http://llvm.org/viewvc/llvm-project?rev=121299&view=rev
Log:
Add operators for "_lane" variants of some saturating Neon multiply intrinsics
so they can be implemented without separate clang builtins.

Modified:
    llvm/trunk/utils/TableGen/NeonEmitter.cpp
    llvm/trunk/utils/TableGen/NeonEmitter.h

Modified: llvm/trunk/utils/TableGen/NeonEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/NeonEmitter.cpp?rev=121299&r1=121298&r2=121299&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/NeonEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/NeonEmitter.cpp Wed Dec  8 16:36:08 2010
@@ -660,6 +660,26 @@
     s += "__a - (" + Extend(typestr, "__b") + " * " +
       Extend(typestr, "__c") + ");";
     break;
+  case OpQDMullLane:
+    s += MangleName("vqdmull", typestr, ClassS) + "(__a, " +
+      SplatLane(nElts, "__b", "__c") + ");";
+    break;
+  case OpQDMlalLane:
+    s += MangleName("vqdmlal", typestr, ClassS) + "(__a, " +
+      SplatLane(nElts, "__b", "__c") + ");";
+    break;
+  case OpQDMlslLane:
+    s += MangleName("vqdmlsl", typestr, ClassS) + "(__a, " +
+      SplatLane(nElts, "__b", "__c") + ");";
+    break;
+  case OpQDMulhLane:
+    s += MangleName("vqdmulh", typestr, ClassS) + "(__a, " +
+      SplatLane(nElts, "__b", "__c") + ");";
+    break;
+  case OpQRDMulhLane:
+    s += MangleName("vqrdmulh", typestr, ClassS) + "(__a, " +
+      SplatLane(nElts, "__b", "__c") + ");";
+    break;
   case OpEq:
     s += "(" + ts + ")(__a == __b);";
     break;
@@ -1103,11 +1123,13 @@
   std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
 
   // Emit vmovl and vabd intrinsics first so they can be used by other
-  // intrinsics.
+  // intrinsics.  (Some of the saturating multiply instructions are also
+  // used to implement the corresponding "_lane" variants, but tablegen
+  // sorts the records into alphabetical order so that the "_lane" variants
+  // come after the intrinsics they use.)
   emitIntrinsic(OS, Records.getDef("VMOVL"));
   emitIntrinsic(OS, Records.getDef("VABD"));
 
-  // Unique the return+pattern types, and assign them.
   for (unsigned i = 0, e = RV.size(); i != e; ++i) {
     Record *R = RV[i];
     if (R->getName() != "VMOVL" && R->getName() != "VABD")

Modified: llvm/trunk/utils/TableGen/NeonEmitter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/NeonEmitter.h?rev=121299&r1=121298&r2=121299&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/NeonEmitter.h (original)
+++ llvm/trunk/utils/TableGen/NeonEmitter.h Wed Dec  8 16:36:08 2010
@@ -47,6 +47,11 @@
   OpMlsLane,
   OpMlalLane,
   OpMlslLane,
+  OpQDMullLane,
+  OpQDMlalLane,
+  OpQDMlslLane,
+  OpQDMulhLane,
+  OpQRDMulhLane,
   OpEq,
   OpGe,
   OpLe,
@@ -117,6 +122,11 @@
       OpMap["OP_MLS_LN"]= OpMlsLane;
       OpMap["OP_MLAL_LN"] = OpMlalLane;
       OpMap["OP_MLSL_LN"] = OpMlslLane;
+      OpMap["OP_QDMULL_LN"] = OpQDMullLane;
+      OpMap["OP_QDMLAL_LN"] = OpQDMlalLane;
+      OpMap["OP_QDMLSL_LN"] = OpQDMlslLane;
+      OpMap["OP_QDMULH_LN"] = OpQDMulhLane;
+      OpMap["OP_QRDMULH_LN"] = OpQRDMulhLane;
       OpMap["OP_EQ"]    = OpEq;
       OpMap["OP_GE"]    = OpGe;
       OpMap["OP_LE"]    = OpLe;