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Improve inlining where locals can be aliased; Add a crude mechanism for explicit unchecked array accesses

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The `unchecked` builtin should be handled with ultimate care and it would be a lot better if there'd be a mechanism doing this automatically.
This commit is contained in:
dcodeIO
2018-04-25 05:04:35 +02:00
parent 391db28fe2
commit 6d6d1dddcf
47 changed files with 5374 additions and 15672 deletions
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12
std/assembly/internal/arraybuffer.ts
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@ -60,21 +60,21 @@ export function reallocUnsafe(buffer: ArrayBuffer, newByteLength: i32): ArrayBuf
}
@inline
export function loadUnsafe<T>(buffer: ArrayBuffer, index: i32): T {
return load<T>(changetype<usize>(buffer) + (<usize>index << alignof<T>()), HEADER_SIZE);
export function loadUnsafe<T,V>(buffer: ArrayBuffer, index: i32): V {
return <V>load<T>(changetype<usize>(buffer) + (<usize>index << alignof<T>()), HEADER_SIZE);
}
@inline
export function storeUnsafe<T>(buffer: ArrayBuffer, index: i32, value: T): void {
export function storeUnsafe<T,V>(buffer: ArrayBuffer, index: i32, value: V): void {
store<T>(changetype<usize>(buffer) + (<usize>index << alignof<T>()), value, HEADER_SIZE);
}
@inline
export function loadUnsafeWithOffset<T>(buffer: ArrayBuffer, index: i32, byteOffset: i32): T {
return load<T>(changetype<usize>(buffer) + <usize>byteOffset + (<usize>index << alignof<T>()), HEADER_SIZE);
export function loadUnsafeWithOffset<T,V>(buffer: ArrayBuffer, index: i32, byteOffset: i32): V {
return <V>load<T>(changetype<usize>(buffer) + <usize>byteOffset + (<usize>index << alignof<T>()), HEADER_SIZE);
}
@inline
export function storeUnsafeWithOffset<T>(buffer: ArrayBuffer, index: i32, value: T, byteOffset: i32): void {
export function storeUnsafeWithOffset<T,V>(buffer: ArrayBuffer, index: i32, value: V, byteOffset: i32): void {
store<T>(changetype<usize>(buffer) + <usize>byteOffset + (<usize>index << alignof<T>()), value, HEADER_SIZE);
}