implement altivec.h and a bunch of support code, patch by Anton Yartsev!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101215 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index a46cc39..85ab1dc 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -1024,5 +1024,49 @@
Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID,
const CallExpr *E) {
+ llvm::SmallVector<Value*, 4> Ops;
+
+ for (unsigned i = 0, e = E->getNumArgs(); i != e; i++)
+ Ops.push_back(EmitScalarExpr(E->getArg(i)));
+
+ Intrinsic::ID ID = Intrinsic::not_intrinsic;
+
+ switch (BuiltinID) {
+ default: return 0;
+
+ // vec_st
+ case PPC::BI__builtin_altivec_stvx:
+ case PPC::BI__builtin_altivec_stvxl:
+ case PPC::BI__builtin_altivec_stvebx:
+ case PPC::BI__builtin_altivec_stvehx:
+ case PPC::BI__builtin_altivec_stvewx:
+ {
+ Ops[2] = Builder.CreateBitCast(Ops[2], llvm::Type::getInt8PtrTy(VMContext));
+ Ops[1] = !isa<Constant>(Ops[1]) || !cast<Constant>(Ops[1])->isNullValue()
+ ? Builder.CreateGEP(Ops[2], Ops[1], "tmp") : Ops[2];
+ Ops.pop_back();
+
+ switch (BuiltinID) {
+ default: assert(0 && "Unsupported vavg intrinsic!");
+ case PPC::BI__builtin_altivec_stvx:
+ ID = Intrinsic::ppc_altivec_stvx;
+ break;
+ case PPC::BI__builtin_altivec_stvxl:
+ ID = Intrinsic::ppc_altivec_stvxl;
+ break;
+ case PPC::BI__builtin_altivec_stvebx:
+ ID = Intrinsic::ppc_altivec_stvebx;
+ break;
+ case PPC::BI__builtin_altivec_stvehx:
+ ID = Intrinsic::ppc_altivec_stvehx;
+ break;
+ case PPC::BI__builtin_altivec_stvewx:
+ ID = Intrinsic::ppc_altivec_stvewx;
+ break;
+ }
+ llvm::Function *F = CGM.getIntrinsic(ID);
+ return Builder.CreateCall(F, &Ops[0], &Ops[0] + Ops.size(), "");
+ }
+ }
return 0;
}