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Use intrinsics for Neon vmull operations. Radar 9208957.

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llvm-svn: 128591
This commit is contained in:
Bob Wilson 2011-03-31 00:09:35 +00:00
parent d4e1a2f2b6
commit 5e30c4c931
2 changed files with 17 additions and 27 deletions
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40
utils/TableGen/NeonEmitter.cpp
View File

@ -608,16 +608,9 @@ static std::string GenOpString(OpKind op, const std::string &proto,
case OpMul:
s += "__a * __b;";
break;
case OpMullN:
s += Extend(typestr, "__a") + " * " +
Extend(typestr, Duplicate(nElts << (int)quad, typestr, "__b")) + ";";
break;
case OpMullLane:
s += Extend(typestr, "__a") + " * " +
Extend(typestr, SplatLane(nElts, "__b", "__c")) + ";";
break;
case OpMull:
s += Extend(typestr, "__a") + " * " + Extend(typestr, "__b") + ";";
s += MangleName("vmull", typestr, ClassS) + "(__a, " +
SplatLane(nElts, "__b", "__c") + ");";
break;
case OpMlaN:
s += "__a + (__b * " + Duplicate(nElts, typestr, "__c") + ");";
@ -629,16 +622,15 @@ static std::string GenOpString(OpKind op, const std::string &proto,
s += "__a + (__b * __c);";
break;
case OpMlalN:
s += "__a + (" + Extend(typestr, "__b") + " * " +
Extend(typestr, Duplicate(nElts, typestr, "__c")) + ");";
s += "__a + " + MangleName("vmull", typestr, ClassS) + "(__b, " +
Duplicate(nElts, typestr, "__c") + ");";
break;
case OpMlalLane:
s += "__a + (" + Extend(typestr, "__b") + " * " +
Extend(typestr, SplatLane(nElts, "__c", "__d")) + ");";
s += "__a + " + MangleName("vmull", typestr, ClassS) + "(__b, " +
SplatLane(nElts, "__c", "__d") + ");";
break;
case OpMlal:
s += "__a + (" + Extend(typestr, "__b") + " * " +
Extend(typestr, "__c") + ");";
s += "__a + " + MangleName("vmull", typestr, ClassS) + "(__b, __c);";
break;
case OpMlsN:
s += "__a - (__b * " + Duplicate(nElts, typestr, "__c") + ");";
@ -650,16 +642,15 @@ static std::string GenOpString(OpKind op, const std::string &proto,
s += "__a - (__b * __c);";
break;
case OpMlslN:
s += "__a - (" + Extend(typestr, "__b") + " * " +
Extend(typestr, Duplicate(nElts, typestr, "__c")) + ");";
s += "__a - " + MangleName("vmull", typestr, ClassS) + "(__b, " +
Duplicate(nElts, typestr, "__c") + ");";
break;
case OpMlslLane:
s += "__a - (" + Extend(typestr, "__b") + " * " +
Extend(typestr, SplatLane(nElts, "__c", "__d")) + ");";
s += "__a - " + MangleName("vmull", typestr, ClassS) + "(__b, " +
SplatLane(nElts, "__c", "__d") + ");";
break;
case OpMlsl:
s += "__a - (" + Extend(typestr, "__b") + " * " +
Extend(typestr, "__c") + ");";
s += "__a - " + MangleName("vmull", typestr, ClassS) + "(__b, __c);";
break;
case OpQDMullLane:
s += MangleName("vqdmull", typestr, ClassS) + "(__a, " +
@ -1148,17 +1139,20 @@ void NeonEmitter::run(raw_ostream &OS) {
std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
// Emit vmovl and vabd intrinsics first so they can be used by other
// Emit vmovl, vmull and vabd intrinsics first so they can be used by other
// 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("VMULL"));
emitIntrinsic(OS, Records.getDef("VABD"));
for (unsigned i = 0, e = RV.size(); i != e; ++i) {
Record *R = RV[i];
if (R->getName() != "VMOVL" && R->getName() != "VABD")
if (R->getName() != "VMOVL" &&
R->getName() != "VMULL" &&
R->getName() != "VABD")
emitIntrinsic(OS, R);
}

4
utils/TableGen/NeonEmitter.h
View File

@ -30,13 +30,11 @@ enum OpKind {
OpSubl,
OpSubw,
OpMul,
OpMull,
OpMla,
OpMlal,
OpMls,
OpMlsl,
OpMulN,
OpMullN,
OpMlaN,
OpMlsN,
OpMlalN,
@ -105,13 +103,11 @@ namespace llvm {
OpMap["OP_SUBL"] = OpSubl;
OpMap["OP_SUBW"] = OpSubw;
OpMap["OP_MUL"] = OpMul;
OpMap["OP_MULL"] = OpMull;
OpMap["OP_MLA"] = OpMla;
OpMap["OP_MLAL"] = OpMlal;
OpMap["OP_MLS"] = OpMls;
OpMap["OP_MLSL"] = OpMlsl;
OpMap["OP_MUL_N"] = OpMulN;
OpMap["OP_MULL_N"]= OpMullN;
OpMap["OP_MLA_N"] = OpMlaN;
OpMap["OP_MLS_N"] = OpMlsN;
OpMap["OP_MLAL_N"] = OpMlalN;