diff options
Diffstat (limited to 'clang/lib/CodeGen')
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 69f7d91b38a..00020584955 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -9235,6 +9235,27 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID, Ops[0] = Builder.CreateBitCast(Ops[0], PtrTy); return Builder.CreateDefaultAlignedStore(Ops[1], Ops[0]); } + case X86::BI__builtin_ia32_pblendw128: + case X86::BI__builtin_ia32_blendpd: + case X86::BI__builtin_ia32_blendps: + case X86::BI__builtin_ia32_blendpd256: + case X86::BI__builtin_ia32_blendps256: + case X86::BI__builtin_ia32_pblendw256: + case X86::BI__builtin_ia32_pblendd128: + case X86::BI__builtin_ia32_pblendd256: { + unsigned NumElts = Ops[0]->getType()->getVectorNumElements(); + unsigned Imm = cast<llvm::ConstantInt>(Ops[2])->getZExtValue(); + + uint32_t Indices[16]; + // If there are more than 8 elements, the immediate is used twice so make + // sure we handle that. + for (unsigned i = 0; i != NumElts; ++i) + Indices[i] = ((Imm >> (i % 8)) & 0x1) ? NumElts + i : i; + + return Builder.CreateShuffleVector(Ops[1], Ops[0], + makeArrayRef(Indices, NumElts), + "blend"); + } case X86::BI__builtin_ia32_palignr128: case X86::BI__builtin_ia32_palignr256: case X86::BI__builtin_ia32_palignr512: { |
