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Allow isize/usize in simd_cast

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This commit is contained in:
Caleb Zulawski 2021-12-28 04:06:01 +00:00
parent 399ba6bb37
commit d32ca64692
2 changed files with 37 additions and 4 deletions
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20
compiler/rustc_codegen_llvm/src/intrinsic.rs
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@ -1715,14 +1715,26 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#,
let (in_style, in_width) = match in_elem.kind() {
// vectors of pointer-sized integers should've been
// disallowed before here, so this unwrap is safe.
ty::Int(i) => (Style::Int(true), i.bit_width().unwrap()),
ty::Uint(u) => (Style::Int(false), u.bit_width().unwrap()),
ty::Int(i) => (
Style::Int(true),
i.normalize(bx.tcx().sess.target.pointer_width).bit_width().unwrap(),
),
ty::Uint(u) => (
Style::Int(false),
u.normalize(bx.tcx().sess.target.pointer_width).bit_width().unwrap(),
),
ty::Float(f) => (Style::Float, f.bit_width()),
_ => (Style::Unsupported, 0),
};
let (out_style, out_width) = match out_elem.kind() {
ty::Int(i) => (Style::Int(true), i.bit_width().unwrap()),
ty::Uint(u) => (Style::Int(false), u.bit_width().unwrap()),
ty::Int(i) => (
Style::Int(true),
i.normalize(bx.tcx().sess.target.pointer_width).bit_width().unwrap(),
),
ty::Uint(u) => (
Style::Int(false),
u.normalize(bx.tcx().sess.target.pointer_width).bit_width().unwrap(),
),
ty::Float(f) => (Style::Float, f.bit_width()),
_ => (Style::Unsupported, 0),
};