From f568b074dbf0c1e8950d2786873a32e5c4baa5c4 Mon Sep 17 00:00:00 2001 From: Nate Begeman Date: Tue, 3 Aug 2010 21:32:34 +0000 Subject: Add support for VFP status & control operations for ARM. llvm-svn: 110153 --- clang/lib/CodeGen/CGBuiltin.cpp | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) (limited to 'clang/lib/CodeGen') diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 7a14033b0e2..666be7421ff 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -1061,9 +1061,6 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, a, b); } - // Determine the type of this overloaded NEON intrinsic. - assert(BuiltinID > ARM::BI__builtin_arm_usat); - llvm::SmallVector Ops; for (unsigned i = 0, e = E->getNumArgs() - 1; i != e; i++) Ops.push_back(EmitScalarExpr(E->getArg(i))); @@ -1073,6 +1070,25 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, if (!Arg->isIntegerConstantExpr(Result, getContext())) return 0; + if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f || + BuiltinID == ARM::BI__builtin_arm_vcvtr_d) { + // Determine the overloaded type of this builtin. + const llvm::Type *Ty; + if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f) + Ty = llvm::Type::getFloatTy(VMContext); + else + Ty = llvm::Type::getDoubleTy(VMContext); + + // Determine whether this is an unsigned conversion or not. + bool usgn = Result.getZExtValue() == 1; + unsigned Int = usgn ? Intrinsic::arm_vcvtru : Intrinsic::arm_vcvtr; + + // Call the appropriate intrinsic. + Function *F = CGM.getIntrinsic(Int, &Ty, 1); + return Builder.CreateCall(F, Ops.begin(), Ops.end(), "vcvtr"); + } + + // Determine the type of this overloaded NEON intrinsic. unsigned type = Result.getZExtValue(); bool usgn = type & 0x08; bool quad = type & 0x10; -- cgit v1.2.3