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Forbid old-style simd_shuffleN intrinsics

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This commit is contained in:
Oli Scherer 2023-07-10 13:03:48 +00:00
parent 2e6ac7fe5b
commit 4457ef2c6d
16 changed files with 384 additions and 371 deletions
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14
compiler/rustc_hir_analysis/src/check/intrinsic.rs
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@ -567,20 +567,6 @@ pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>)
| sym::simd_reduce_min_nanless
| sym::simd_reduce_max_nanless => (2, vec![param(0)], param(1)),
sym::simd_shuffle => (3, vec![param(0), param(0), param(1)], param(2)),
name if name.as_str().starts_with("simd_shuffle") => {
match name.as_str()["simd_shuffle".len()..].parse() {
Ok(n) => {
let params = vec![param(0), param(0), Ty::new_array(tcx, tcx.types.u32, n)];
(2, params, param(1))
}
Err(_) => {
let msg =
format!("unrecognized platform-specific intrinsic function: `{name}`");
tcx.sess.struct_span_err(it.span, msg).emit();
return;
}
}
}
_ => {
let msg = format!("unrecognized platform-specific intrinsic function: `{name}`");
tcx.sess.struct_span_err(it.span, msg).emit();