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Auto merge of #83271 - SparrowLii:simd_neg, r=Amanieu 

Add simd_neg platform intrinsic

Stdarch needs to add simd_neg to support the implementation of vneg neon instructions. Look [here](https://github.com/rust-lang/stdarch/pull/1087)
This commit is contained in:
bors 2021-03-20 09:01:35 +00:00
parent eb9ec31168 b93590e5d8
commit 41b315a470
7 changed files with 60 additions and 17 deletions
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1
compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
View File

@ -276,5 +276,6 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
// simd_bitmask
// simd_select
// simd_rem
// simd_neg
}
}

23
compiler/rustc_codegen_llvm/src/intrinsic.rs
View File

@ -1628,7 +1628,7 @@ unsupported {} from `{}` with element `{}` of size `{}` to `{}`"#,
out_elem
);
}
macro_rules! arith {
macro_rules! arith_binary {
($($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_binary! {
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_unary {
($($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_unary! {
simd_neg: Int => neg, Float => fneg;
}
if name == sym::simd_saturating_add || name == sym::simd_saturating_sub {
let lhs = args[0].immediate();

1
compiler/rustc_span/src/symbol.rs
View File

@ -1081,6 +1081,7 @@ symbols! {
simd_lt,
simd_mul,
simd_ne,
simd_neg,
simd_or,
simd_reduce_add_ordered,
simd_reduce_add_unordered,

1
compiler/rustc_typeck/src/check/intrinsic.rs
View File

@ -398,6 +398,7 @@ pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>)
| sym::simd_fpow
| sym::simd_saturating_add
| sym::simd_saturating_sub => (1, vec![param(0), param(0)], param(0)),
sym::simd_neg => (1, vec![param(0)], param(0)),
sym::simd_fsqrt
| sym::simd_fsin
| sym::simd_fcos

8
src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic.rs
View File

@ -25,6 +25,8 @@ extern "platform-intrinsic" {
fn simd_and<T>(x: T, y: T) -> T;
fn simd_or<T>(x: T, y: T) -> T;
fn simd_xor<T>(x: T, y: T) -> T;
fn simd_neg<T>(x: T) -> T;
}
fn main() {
@ -60,6 +62,9 @@ fn main() {
simd_xor(x, x);
simd_xor(y, y);
simd_neg(x);
simd_neg(z);
simd_add(0, 0);
//~^ ERROR expected SIMD input type, found non-SIMD `i32`
@ -80,6 +85,9 @@ fn main() {
simd_xor(0, 0);
//~^ ERROR expected SIMD input type, found non-SIMD `i32`
simd_neg(0);
//~^ ERROR expected SIMD input type, found non-SIMD `i32`
simd_shl(z, z);
//~^ ERROR unsupported operation on `f32x4` with element `f32`

36
src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic.stderr
View File

@ -1,87 +1,93 @@
error[E0511]: invalid monomorphization of `simd_add` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:64:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:69:9
|
LL | simd_add(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_sub` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:66:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:71:9
|
LL | simd_sub(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_mul` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:68:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:73:9
|
LL | simd_mul(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_div` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:70:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:75:9
|
LL | simd_div(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_shl` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:72:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:77:9
|
LL | simd_shl(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_shr` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:74:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:79:9
|
LL | simd_shr(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_and` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:76:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:81:9
|
LL | simd_and(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_or` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:78:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:83:9
|
LL | simd_or(0, 0);
| ^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_xor` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:80:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:85:9
|
LL | simd_xor(0, 0);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_neg` intrinsic: expected SIMD input type, found non-SIMD `i32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:88:9
|
LL | simd_neg(0);
| ^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_shl` intrinsic: unsupported operation on `f32x4` with element `f32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:84:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:92:9
|
LL | simd_shl(z, z);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_shr` intrinsic: unsupported operation on `f32x4` with element `f32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:86:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:94:9
|
LL | simd_shr(z, z);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_and` intrinsic: unsupported operation on `f32x4` with element `f32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:88:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:96:9
|
LL | simd_and(z, z);
| ^^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_or` intrinsic: unsupported operation on `f32x4` with element `f32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:90:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:98:9
|
LL | simd_or(z, z);
| ^^^^^^^^^^^^^
error[E0511]: invalid monomorphization of `simd_xor` intrinsic: unsupported operation on `f32x4` with element `f32`
--> $DIR/simd-intrinsic-generic-arithmetic.rs:92:9
--> $DIR/simd-intrinsic-generic-arithmetic.rs:100:9
|
LL | simd_xor(z, z);
| ^^^^^^^^^^^^^^
error: aborting due to 14 previous errors
error: aborting due to 15 previous errors
For more information about this error, try `rustc --explain E0511`.

7
src/test/ui/simd/simd-intrinsic-generic-arithmetic.rs
View File

@ -45,6 +45,8 @@ extern "platform-intrinsic" {
fn simd_and<T>(x: T, y: T) -> T;
fn simd_or<T>(x: T, y: T) -> T;
fn simd_xor<T>(x: T, y: T) -> T;
fn simd_neg<T>(x: T) -> T;
}
fn main() {
@ -125,5 +127,10 @@ fn main() {
all_eq_!(simd_xor(y1, y2), U32::<4>([3, 1, 7, 1]));
all_eq_!(simd_xor(y2, y1), U32::<4>([3, 1, 7, 1]));
all_eq!(simd_neg(x1), i32x4(-1, -2, -3, -4));
all_eq!(simd_neg(x2), i32x4(-2, -3, -4, -5));
all_eq!(simd_neg(z1), f32x4(-1.0, -2.0, -3.0, -4.0));
all_eq!(simd_neg(z2), f32x4(-2.0, -3.0, -4.0, -5.0));
}
}