diff options
| -rw-r--r-- | src/intrinsics/llvm_aarch64.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/intrinsics/llvm_aarch64.rs b/src/intrinsics/llvm_aarch64.rs index f6f3b85d3ef..e66bcbf4e40 100644 --- a/src/intrinsics/llvm_aarch64.rs +++ b/src/intrinsics/llvm_aarch64.rs @@ -243,6 +243,20 @@ pub(crate) fn codegen_aarch64_llvm_intrinsic_call<'tcx>( } // FIXME generalize vector types + "llvm.aarch64.neon.tbl1.v8i8" => { + intrinsic_args!(fx, args => (t, idx); intrinsic); + + let zero = fx.bcx.ins().iconst(types::I8, 0); + for i in 0..8 { + let idx_lane = idx.value_lane(fx, i).load_scalar(fx); + let is_zero = + fx.bcx.ins().icmp_imm(IntCC::UnsignedGreaterThanOrEqual, idx_lane, 16); + let t_idx = fx.bcx.ins().uextend(fx.pointer_type, idx_lane); + let t_lane = t.value_lane_dyn(fx, t_idx).load_scalar(fx); + let res = fx.bcx.ins().select(is_zero, zero, t_lane); + ret.place_lane(fx, i).to_ptr().store(fx, res, MemFlags::trusted()); + } + } "llvm.aarch64.neon.tbl1.v16i8" => { intrinsic_args!(fx, args => (t, idx); intrinsic); |