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Add E0443 error explanation

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This commit is contained in:
Guillaume Gomez 2015-08-28 16:13:14 +02:00
parent 297b77d49b
commit 9259418d26
1 changed files with 61 additions and 34 deletions
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95
src/librustc_typeck/diagnostics.rs
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@ -3020,6 +3020,67 @@ parameters. You can read more about it in the API documentation:
https://doc.rust-lang.org/std/marker/struct.PhantomData.html
"##,
E0442: r##"
Intrinsic argument(s) and/or return value have the wrong length.
Erroneous code example:
```
#[repr(simd)]
struct i8x16(i8, i8, i8, i8, i8, i8, i8, i8,
i8, i8, i8, i8, i8, i8, i8, i8);
#[repr(simd)]
struct i32x4(i32, i32, i32, i32);
#[repr(simd)]
struct i64x2(i64, i64);
extern "platform-intrinsic" {
fn x86_mm_adds_epi16(x: i8x16, y: i32x4) -> i64x2;
// error: intrinsic arguments/return value have wrong length
}
```
To fix this error, please refer to the function declaration to give
it the awaited types with the awaited length. Example:
```
#[repr(simd)]
struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);
extern "platform-intrinsic" {
fn x86_mm_adds_epi16(x: i16x8, y: i16x8) -> i16x8; // ok!
}
```
"##,
E0443: r##"
Intrinsic argument(s) and/or return value have the wrong type.
Erroneous code example:
```
#[repr(simd)]
struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);
#[repr(simd)]
struct i64x8(i64, i64, i64, i64, i64, i64, i64, i64);
extern "platform-intrinsic" {
fn x86_mm_adds_epi16(x: i16x8, y: i16x8) -> i64x8;
// error: intrinsic argument/return value has wrong type
}
```
To fix this error, please refer to the function declaration to give
it the awaited types. Example:
```
#[repr(simd)]
struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);
extern "platform-intrinsic" {
fn x86_mm_adds_epi16(x: i16x8, y: i16x8) -> i16x8; // ok!
}
```
"##,
E0444: r##"
A platform-specific intrinsic function has wrong number of arguments.
Erroneous code example:
@ -3047,38 +3108,6 @@ extern "platform-intrinsic" {
```
"##,
E0442: r##"
Intrinsic argument(s) and/or return value have the wrong length.
Erroneous code example:
```
#[repr(simd)]
struct i8x16(i8, i8, i8, i8, i8, i8, i8, i8,
i8, i8, i8, i8, i8, i8, i8, i8);
#[repr(simd)]
struct i32x4(i32, i32, i32, i32);
#[repr(simd)]
struct i64x2(i64, i64);
extern "platform-intrinsic" {
fn x86_mm_adds_epi16(x: i8x16, y: i32x4) -> i64x2;
// error: intrinsic arguments have wrong length
}
```
To fix this error, please refer to the function declaration to give
it the awaited types with the awaited length. Example:
```
#[repr(simd)]
struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);
extern "platform-intrinsic" {
fn x86_mm_adds_epi16(x: i16x8, y: i16x8) -> i16x8; // ok!
}
```
"##
}
register_diagnostics! {
@ -3163,6 +3192,4 @@ register_diagnostics! {
E0439, // invalid `simd_shuffle`, needs length: `{}`
E0440, // platform-specific intrinsic has wrong number of type parameters
E0441, // unrecognized platform-specific intrinsic function
E0443, // intrinsic {} has wrong type: found `{}`, expected `{}` which
// was used for this vector type previously in this signature
}