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| author | Jiangning Liu <jiangning.liu@arm.com> | 2013-10-04 09:21:17 +0000 |
|---|---|---|
| committer | Jiangning Liu <jiangning.liu@arm.com> | 2013-10-04 09:21:17 +0000 |
| commit | 0aa1a88e19235574481e46e9e6e9ce66a9e6624f (patch) | |
| tree | 73b36f5e969f0ea9d095ca23a824929033e4308c /lib | |
| parent | edcc199f5861dd8ad1ec3ad1b83512d2a92e515a (diff) | |
| download | clang-0aa1a88e19235574481e46e9e6e9ce66a9e6624f.tar.gz | |
Implement aarch64 neon instruction set AdvSIMD (3V elem).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191945 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index a6911bab34..b4caab2297 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -2222,6 +2222,46 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID, } // AArch64-only builtins + case AArch64::BI__builtin_neon_vfma_lane_v: + case AArch64::BI__builtin_neon_vfmaq_laneq_v: { + Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); + Ops[0] = Builder.CreateBitCast(Ops[0], Ty); + Ops[1] = Builder.CreateBitCast(Ops[1], Ty); + + Ops[2] = Builder.CreateBitCast(Ops[2], Ty); + Ops[2] = EmitNeonSplat(Ops[2], cast<ConstantInt>(Ops[3])); + return Builder.CreateCall3(F, Ops[2], Ops[1], Ops[0]); + } + case AArch64::BI__builtin_neon_vfmaq_lane_v: { + Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); + Ops[0] = Builder.CreateBitCast(Ops[0], Ty); + Ops[1] = Builder.CreateBitCast(Ops[1], Ty); + + llvm::VectorType *VTy = cast<llvm::VectorType>(Ty); + llvm::Type *STy = llvm::VectorType::get(VTy->getElementType(), + VTy->getNumElements() / 2); + Ops[2] = Builder.CreateBitCast(Ops[2], STy); + Value* SV = llvm::ConstantVector::getSplat(VTy->getNumElements(), + cast<ConstantInt>(Ops[3])); + Ops[2] = Builder.CreateShuffleVector(Ops[2], Ops[2], SV, "lane"); + + return Builder.CreateCall3(F, Ops[2], Ops[1], Ops[0]); + } + case AArch64::BI__builtin_neon_vfma_laneq_v: { + Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); + Ops[0] = Builder.CreateBitCast(Ops[0], Ty); + Ops[1] = Builder.CreateBitCast(Ops[1], Ty); + + llvm::VectorType *VTy = cast<llvm::VectorType>(Ty); + llvm::Type *STy = llvm::VectorType::get(VTy->getElementType(), + VTy->getNumElements() * 2); + Ops[2] = Builder.CreateBitCast(Ops[2], STy); + Value* SV = llvm::ConstantVector::getSplat(VTy->getNumElements(), + cast<ConstantInt>(Ops[3])); + Ops[2] = Builder.CreateShuffleVector(Ops[2], Ops[2], SV, "lane"); + + return Builder.CreateCall3(F, Ops[2], Ops[1], Ops[0]); + } case AArch64::BI__builtin_neon_vfms_v: case AArch64::BI__builtin_neon_vfmsq_v: { Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); |