bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Add simd_as intrinsic

Browse source
This commit is contained in:
Caleb Zulawski 2021-12-30 01:18:44 +00:00
parent d32ca64692
commit 8fae33d9b2
7 changed files with 261 additions and 173 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/rustc_codegen_llvm/src/intrinsic.rs
View file

@ -1689,7 +1689,7 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#,
bitwise_red!(simd_reduce_all: vector_reduce_and, true);
bitwise_red!(simd_reduce_any: vector_reduce_or, true);
if name == sym::simd_cast {
if name == sym::simd_cast || name == sym::simd_as {
require_simd!(ret_ty, "return");
let (out_len, out_elem) = ret_ty.simd_size_and_type(bx.tcx());
require!(
@ -1761,10 +1761,10 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#,
});
}
(Style::Float, Style::Int(out_is_signed)) => {
return Ok(if out_is_signed {
bx.fptosi(args[0].immediate(), llret_ty)
} else {
bx.fptoui(args[0].immediate(), llret_ty)
return Ok(match (out_is_signed, name == sym::simd_as) {
(false, false) => bx.fptoui(args[0].immediate(), llret_ty),
(true, false) => bx.fptosi(args[0].immediate(), llret_ty),
(_, true) => bx.cast_float_to_int(out_is_signed, args[0].immediate(), llret_ty),
});
}
(Style::Float, Style::Float) => {