[Hexagon] Intrinsic support for V62 and V65
llvm-svn: 320609
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 6324520..527cbf2 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -3268,6 +3268,8 @@
case llvm::Triple::wasm32:
case llvm::Triple::wasm64:
return CGF->EmitWebAssemblyBuiltinExpr(BuiltinID, E);
+ case llvm::Triple::hexagon:
+ return CGF->EmitHexagonBuiltinExpr(BuiltinID, E);
default:
return nullptr;
}
@@ -9906,3 +9908,58 @@
return nullptr;
}
}
+
+Value *CodeGenFunction::EmitHexagonBuiltinExpr(unsigned BuiltinID,
+ const CallExpr *E) {
+ SmallVector<llvm::Value *, 4> Ops;
+ Intrinsic::ID ID = Intrinsic::not_intrinsic;
+
+ switch (BuiltinID) {
+ case Hexagon::BI__builtin_HEXAGON_V6_vaddcarry:
+ case Hexagon::BI__builtin_HEXAGON_V6_vaddcarry_128B: {
+ Address Dest = EmitPointerWithAlignment(E->getArg(2));
+ unsigned Size;
+ if (BuiltinID == Hexagon::BI__builtin_HEXAGON_V6_vaddcarry) {
+ Size = 512;
+ ID = Intrinsic::hexagon_V6_vaddcarry;
+ } else {
+ Size = 1024;
+ ID = Intrinsic::hexagon_V6_vaddcarry_128B;
+ }
+ Dest = Builder.CreateBitCast(Dest,
+ llvm::VectorType::get(Builder.getInt1Ty(), Size)->getPointerTo(0));
+ LoadInst *QLd = Builder.CreateLoad(Dest);
+ Ops = { EmitScalarExpr(E->getArg(0)), EmitScalarExpr(E->getArg(1)), QLd };
+ llvm::Value *Result = Builder.CreateCall(CGM.getIntrinsic(ID), Ops);
+ llvm::Value *Vprd = Builder.CreateExtractValue(Result, 1);
+ llvm::Value *Base = Builder.CreateBitCast(EmitScalarExpr(E->getArg(2)),
+ Vprd->getType()->getPointerTo(0));
+ Builder.CreateAlignedStore(Vprd, Base, Dest.getAlignment());
+ return Builder.CreateExtractValue(Result, 0);
+ }
+ case Hexagon::BI__builtin_HEXAGON_V6_vsubcarry:
+ case Hexagon::BI__builtin_HEXAGON_V6_vsubcarry_128B: {
+ Address Dest = EmitPointerWithAlignment(E->getArg(2));
+ unsigned Size;
+ if (BuiltinID == Hexagon::BI__builtin_HEXAGON_V6_vsubcarry) {
+ Size = 512;
+ ID = Intrinsic::hexagon_V6_vsubcarry;
+ } else {
+ Size = 1024;
+ ID = Intrinsic::hexagon_V6_vsubcarry_128B;
+ }
+ Dest = Builder.CreateBitCast(Dest,
+ llvm::VectorType::get(Builder.getInt1Ty(), Size)->getPointerTo(0));
+ LoadInst *QLd = Builder.CreateLoad(Dest);
+ Ops = { EmitScalarExpr(E->getArg(0)), EmitScalarExpr(E->getArg(1)), QLd };
+ llvm::Value *Result = Builder.CreateCall(CGM.getIntrinsic(ID), Ops);
+ llvm::Value *Vprd = Builder.CreateExtractValue(Result, 1);
+ llvm::Value *Base = Builder.CreateBitCast(EmitScalarExpr(E->getArg(2)),
+ Vprd->getType()->getPointerTo(0));
+ Builder.CreateAlignedStore(Vprd, Base, Dest.getAlignment());
+ return Builder.CreateExtractValue(Result, 0);
+ }
+ } // switch
+
+ return nullptr;
+}