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Experimenting with inline-assembler-ish explicit builtins

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Starting with explicit loads and stores as part of the respective type namespaces. Might become handy for use with portable code, because these can be polyfilled, while load<T> and store<T> can't.
This commit is contained in:
dcodeIO
2018-04-27 00:08:41 +02:00
parent d445608467
commit 06f99406be
18 changed files with 2234 additions and 1143 deletions
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27
std/assembly/builtins.ts
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@ -2,6 +2,8 @@ export declare function isInteger<T>(value?: T): bool;
export declare function isFloat<T>(value?: T): bool;
export declare function isSigned<T>(value?: T): bool;
export declare function isReference<T>(value?: T): bool;
export declare function isString<T>(value?: T): bool;
@ -52,7 +54,7 @@ export declare function trunc<T>(value: T): T;
export declare function load<T>(offset: usize, constantOffset?: usize): T;
export declare function store<T>(offset: usize, value: void, constantOffset?: usize): T;
export declare function store<T>(offset: usize, value: void, constantOffset?: usize): void;
export declare function sizeof<T>(): usize; // | u32 / u64
@ -101,12 +103,31 @@ export declare function i32(value: void): i32;
export namespace i32 {
export const MIN_VALUE: i32 = -2147483648;
export const MAX_VALUE: i32 = 2147483647;
export declare function load8_s(offset: usize, constantOffset?: usize): i32;
export declare function load8_u(offset: usize, constantOffset?: usize): i32;
export declare function load16_s(offset: usize, constantOffset?: usize): i32;
export declare function load16_u(offset: usize, constantOffset?: usize): i32;
export declare function load(offset: usize, constantOffset?: usize): i32;
export declare function store8(offset: usize, value: i32, constantOffset?: usize): void;
export declare function store16(offset: usize, value: i32, constantOffset?: usize): void;
export declare function store(offset: usize, value: i32, constantOffset?: usize): void;
}
export declare function i64(value: void): i64;
export namespace i64 {
export const MIN_VALUE: i64 = -9223372036854775808;
export const MAX_VALUE: i64 = 9223372036854775807;
export declare function load8_s(offset: usize, constantOffset?: usize): i64;
export declare function load8_u(offset: usize, constantOffset?: usize): u64;
export declare function load16_s(offset: usize, constantOffset?: usize): i64;
export declare function load16_u(offset: usize, constantOffset?: usize): u64;
export declare function load32_s(offset: usize, constantOffset?: usize): i64;
export declare function load32_u(offset: usize, constantOffset?: usize): u64;
export declare function load(offset: usize, constantOffset?: usize): i64;
export declare function store8(offset: usize, value: i64, constantOffset?: usize): void;
export declare function store16(offset: usize, value: i64, constantOffset?: usize): void;
export declare function store32(offset: usize, value: i64, constantOffset?: usize): void;
export declare function store(offset: usize, value: i64, constantOffset?: usize): void;
}
export declare function isize(value: void): isize;
@ -165,6 +186,8 @@ export namespace f32 {
export const MIN_SAFE_INTEGER: f32 = -16777215;
export const MAX_SAFE_INTEGER: f32 = 16777215;
export const EPSILON = reinterpret<f32>(0x34000000); // 0x1p-23f
export declare function load(offset: usize, constantOffset?: usize): f32;
export declare function store(offset: usize, value: f32, constantOffset?: usize): void;
}
export declare function f64(value: void): f64;
@ -175,6 +198,8 @@ export namespace f64 {
export const MIN_SAFE_INTEGER: f64 = -9007199254740991;
export const MAX_SAFE_INTEGER: f64 = 9007199254740991;
export const EPSILON = reinterpret<f64>(0x3CB0000000000000); // 0x1p-52
export declare function load(offset: usize, constantOffset?: usize): f64;
export declare function store(offset: usize, value: f64, constantOffset?: usize): void;
}
export declare const HEAP_BASE: usize;