diff options
| -rw-r--r-- | utils/TableGen/NeonEmitter.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/utils/TableGen/NeonEmitter.cpp b/utils/TableGen/NeonEmitter.cpp index 589fbde771..5d6dee6b44 100644 --- a/utils/TableGen/NeonEmitter.cpp +++ b/utils/TableGen/NeonEmitter.cpp @@ -1356,6 +1356,17 @@ void NeonEmitter::runHeader(raw_ostream &OS) { if (PtrArgNum >= 0 && (Proto[0] >= '2' && Proto[0] <= '4')) PtrArgNum += 1; + // Omit type checking for the pointer arguments of vld1_lane, vld1_dup, + // and vst1_lane intrinsics. Using a pointer to the vector element + // type with one of those operations causes codegen to select an aligned + // load/store instruction. If you want an unaligned operation, + // the pointer argument needs to have less alignment than element type, + // so just accept any pointer type. + if (name == "vld1_lane" || name == "vld1_dup" || name == "vst1_lane") { + PtrArgNum = -1; + HasConstPtr = false; + } + if (mask) { OS << "case ARM::BI__builtin_neon_" << MangleName(name, TypeVec[si], ClassB) |