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Fix portable-simd tests

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bjorn3 2024-01-21 11:38:13 +00:00
parent 60ef392a2a
commit 24361a1b99
1 changed files with 14 additions and 0 deletions
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14
src/intrinsics/llvm_aarch64.rs
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@ -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);