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inline assembly :3

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This commit is contained in:
nora 2023-12-15 22:31:13 +01:00
parent 3ab116d7f0
commit ba5d41674c
17 changed files with 448 additions and 45 deletions
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35
src/codegen.ts
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@ -118,9 +118,7 @@ function appendData(cx: Context, newData: Uint8Array): number {
const KNOWN_DEF_PATHS = [ALLOCATE_ITEM, DEALLOCATE_ITEM];
function getKnownDefPaths(
pkgs: Pkg<Typecked>[],
): ComplexMap<string[], ItemId> {
function getKnownDefPaths(pkgs: Pkg<Typecked>[]): ComplexMap<string[], ItemId> {
const knows = new ComplexMap<string[], ItemId>();
const folder: Folder<Typecked, Typecked> = {
@ -145,9 +143,7 @@ function getKnownDefPaths(
},
};
pkgs.forEach((pkg) =>
pkg.rootItems.forEach((item) => folder.item(item)),
);
pkgs.forEach((pkg) => pkg.rootItems.forEach((item) => folder.item(item)));
return knows;
}
@ -380,16 +376,22 @@ function lowerFunc(cx: Context, func: ItemFunction<Typecked>) {
scratchLocals: new Map(),
};
lowerExpr(fcx, wasmFunc.body, fcx.func.body);
const body = fcx.func.body;
if (body.kind === "asm") {
fcx.wasm.locals = body.locals;
fcx.wasm.body = body.instructions;
} else {
lowerExpr(fcx, wasmFunc.body, body);
paramLocations.forEach((local) => {
const refcount = needsRefcount(local.ty);
if (refcount !== undefined) {
// TODO: correctly deal with tuples
loadVariable(wasmFunc.body, local);
subRefcount(fcx, wasmFunc.body, refcount);
}
});
paramLocations.forEach((local) => {
const refcount = needsRefcount(local.ty);
if (refcount !== undefined) {
// TODO: correctly deal with tuples
loadVariable(wasmFunc.body, local);
subRefcount(fcx, wasmFunc.body, refcount);
}
});
}
const idx = fcx.cx.mod.funcs.length;
fcx.cx.mod.funcs.push(wasmFunc);
@ -1084,6 +1086,9 @@ function lowerExpr(
expr.fields.forEach((field) => lowerExpr(fcx, instrs, field));
break;
}
case "asm": {
unreachable("asm");
}
case "error":
unreachable("codegen should never see errors");
default: {