updated compiler tests for rustc_intrinsic' · rust-lang/rust@a3669b8 (original) (raw)
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- compiler/rustc_error_codes/src/error_codes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -6,10 +6,9 @@ Erroneous code example: | ||
| 6 | 6 | #![feature(intrinsics)] |
| 7 | 7 | #![allow(internal_features)] |
| 8 | 8 | |
| 9 | -extern "rust-intrinsic" { | |
| 10 | - fn atomic_foo(); // error: unrecognized atomic operation | |
| 11 | - // function | |
| 12 | -} | |
| 9 | +#[rustc_intrinsic] | |
| 10 | +unsafe fn atomic_foo(); // error: unrecognized atomic operation | |
| 11 | + // function | |
| 13 | 12 | ``` |
| 14 | 13 | |
| 15 | 14 | Please check you didn't make a mistake in the function's name. All intrinsic |
| @@ -20,7 +19,6 @@ functions are defined in `compiler/rustc_codegen_llvm/src/intrinsic.rs` and in | ||
| 20 | 19 | #![feature(intrinsics)] |
| 21 | 20 | #![allow(internal_features)] |
| 22 | 21 | |
| 23 | -extern "rust-intrinsic" { | |
| 24 | - fn atomic_fence_seqcst(); // ok! | |
| 25 | -} | |
| 22 | +#[rustc_intrinsic] | |
| 23 | +unsafe fn atomic_fence_seqcst(); // ok! | |
| 26 | 24 | ``` |
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -6,9 +6,8 @@ Erroneous code example: | ||
| 6 | 6 | #![feature(intrinsics)] |
| 7 | 7 | #![allow(internal_features)] |
| 8 | 8 | |
| 9 | -extern "rust-intrinsic" { | |
| 10 | - fn foo(); // error: unrecognized intrinsic function: `foo` | |
| 11 | -} | |
| 9 | +#[rustc_intrinsic] | |
| 10 | +unsafe fn foo(); // error: unrecognized intrinsic function: `foo` | |
| 12 | 11 | |
| 13 | 12 | fn main() { |
| 14 | 13 | unsafe { |
| @@ -25,9 +24,8 @@ functions are defined in `compiler/rustc_codegen_llvm/src/intrinsic.rs` and in | ||
| 25 | 24 | #![feature(intrinsics)] |
| 26 | 25 | #![allow(internal_features)] |
| 27 | 26 | |
| 28 | -extern "rust-intrinsic" { | |
| 29 | - fn atomic_fence_seqcst(); // ok! | |
| 30 | -} | |
| 27 | +#[rustc_intrinsic] | |
| 28 | +unsafe fn atomic_fence_seqcst(); // ok! | |
| 31 | 29 | |
| 32 | 30 | fn main() { |
| 33 | 31 | unsafe { |
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -7,9 +7,8 @@ used. Erroneous code examples: | ||
| 7 | 7 | #![feature(intrinsics)] |
| 8 | 8 | #![allow(internal_features)] |
| 9 | 9 | |
| 10 | -extern "rust-intrinsic" { | |
| 11 | - fn unreachable(); // error: intrinsic has wrong type | |
| 12 | -} | |
| 10 | +#[rustc_intrinsic] | |
| 11 | +unsafe fn unreachable(); // error: intrinsic has wrong type | |
| 13 | 12 | |
| 14 | 13 | // or: |
| 15 | 14 | |
| @@ -43,9 +42,8 @@ For the first code example, please check the function definition. Example: | ||
| 43 | 42 | #![feature(intrinsics)] |
| 44 | 43 | #![allow(internal_features)] |
| 45 | 44 | |
| 46 | -extern "rust-intrinsic" { | |
| 47 | - fn unreachable() -> !; // ok! | |
| 48 | -} | |
| 45 | +#[rustc_intrinsic] | |
| 46 | +unsafe fn unreachable() -> !; // ok! | |
| 49 | 47 | ``` |
| 50 | 48 | |
| 51 | 49 | The second case example is a bit particular: the main function must always |
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -5,9 +5,8 @@ Erroneous code example: | ||
| 5 | 5 | ```compile_fail,E0511 |
| 6 | 6 | #![feature(intrinsics)] |
| 7 | 7 | |
| 8 | -extern "rust-intrinsic" { | |
| 9 | - fn simd_add(a: T, b: T) -> T; | |
| 10 | -} | |
| 8 | +#[rustc_intrinsic] | |
| 9 | +unsafe fn simd_add(a: T, b: T) -> T; | |
| 11 | 10 | |
| 12 | 11 | fn main() { |
| 13 | 12 | unsafe { simd_add(0, 1); } |
| @@ -25,9 +24,8 @@ The generic type has to be a SIMD type. Example: | ||
| 25 | 24 | #[derive(Copy, Clone)] |
| 26 | 25 | struct i32x2([i32; 2]); |
| 27 | 26 | |
| 28 | -extern "rust-intrinsic" { | |
| 29 | - fn simd_add(a: T, b: T) -> T; | |
| 30 | -} | |
| 27 | +#[rustc_intrinsic] | |
| 28 | +unsafe fn simd_add(a: T, b: T) -> T; | |
| 31 | 29 | |
| 32 | 30 | unsafe { simd_add(i32x2([0, 0]), i32x2([1, 2])); } // ok! |
| 33 | 31 | ``` |