bjoernager/rust
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Add simd_neg platform intrinsic

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This commit is contained in:
SparrowLii 2021-03-19 02:16:21 +08:00
parent 146f574560
commit 0fa158b38f
7 changed files with 60 additions and 17 deletions
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23
compiler/rustc_codegen_llvm/src/intrinsic.rs
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@ -1628,7 +1628,7 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#,
out_elem
);
}
macro_rules! arith {
macro_rules! arith_bin {
($($name: ident: $($($p: ident),* => $call: ident),*;)*) => {
$(if name == sym::$name {
match in_elem.kind() {
@ -1644,7 +1644,7 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#,
})*
}
}
arith! {
arith_bin! {
simd_add: Uint, Int => add, Float => fadd;
simd_sub: Uint, Int => sub, Float => fsub;
simd_mul: Uint, Int => mul, Float => fmul;
@ -1659,6 +1659,25 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#,
simd_fmin: Float => minnum;
}
macro_rules! arith_un {
($($name: ident: $($($p: ident),* => $call: ident),*;)*) => {
$(if name == sym::$name {
match in_elem.kind() {
$($(ty::$p(_))|* => {
return Ok(bx.$call(args[0].immediate()))
})*
_ => {},
}
require!(false,
"unsupported operation on `{}` with element `{}`",
in_ty,
in_elem)
})*
}
}
arith_un! {
simd_neg: Int => neg, Float => fneg;
}
if name == sym::simd_saturating_add || name == sym::simd_saturating_sub {
let lhs = args[0].immediate();