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Code Issues Projects Releases Wiki Activity

Implement bulk memory operations (#467)

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This commit is contained in:
Daniel Wirtz
2019-02-07 11:40:23 +01:00
committed by GitHub
parent 831054dfd3
commit f551bc78e1
23 changed files with 331 additions and 263 deletions
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33
src/builtins.ts
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@ -6,7 +6,8 @@
import {
Compiler,
ConversionKind,
WrapMode
WrapMode,
Feature
} from "./compiler";
import {
@ -1958,6 +1959,12 @@ export function compileCall(
}
// see: https://github.com/WebAssembly/bulk-memory-operations
case "memory.copy": { // memory.copy(dest: usize, src: usize: n: usize) -> void
if (!compiler.options.hasFeature(Feature.BULK_MEMORY)) {
let instance = compiler.resolver.resolveFunction(prototype, null); // reports
compiler.currentType = Type.void;
if (!instance) return module.createUnreachable();
return compiler.compileCallDirect(instance, operands, reportNode);
}
if (typeArguments) {
compiler.error(
DiagnosticCode.Type_0_is_not_generic,
@ -1972,29 +1979,35 @@ export function compileCall(
compiler.currentType = Type.void;
return module.createUnreachable();
}
let usizeType = compiler.options.usizeType;
arg0 = compiler.compileExpression(
operands[0],
compiler.options.usizeType,
usizeType,
ConversionKind.IMPLICIT,
WrapMode.NONE
);
arg1 = compiler.compileExpression(
operands[1],
compiler.options.usizeType,
usizeType,
ConversionKind.IMPLICIT,
WrapMode.NONE
);
arg2 = compiler.compileExpression(
operands[2],
compiler.options.usizeType,
usizeType,
ConversionKind.IMPLICIT,
WrapMode.NONE
);
compiler.currentType = Type.void;
throw new Error("not implemented");
// return module.createHost(HostOp.MoveMemory, null, [ arg0, arg1, arg2 ]);
return module.createMemoryCopy(arg0, arg1, arg2);
}
case "memory.fill": { // memory.fill(dest: usize, value: u8, n: usize) -> void
if (!compiler.options.hasFeature(Feature.BULK_MEMORY)) {
let instance = compiler.resolver.resolveFunction(prototype, null); // reports
compiler.currentType = Type.void;
if (!instance) return module.createUnreachable();
return compiler.compileCallDirect(instance, operands, reportNode);
}
if (typeArguments) {
compiler.error(
DiagnosticCode.Type_0_is_not_generic,
@ -2009,9 +2022,10 @@ export function compileCall(
compiler.currentType = Type.void;
return module.createUnreachable();
}
let usizeType = compiler.options.usizeType;
arg0 = compiler.compileExpression(
operands[0],
compiler.options.usizeType,
usizeType,
ConversionKind.IMPLICIT,
WrapMode.NONE
);
@ -2023,13 +2037,12 @@ export function compileCall(
);
arg2 = compiler.compileExpression(
operands[2],
compiler.options.usizeType,
usizeType,
ConversionKind.IMPLICIT,
WrapMode.NONE
);
compiler.currentType = Type.void;
throw new Error("not implemented");
// return module.createHost(HostOp.SetMemory, null, [ arg0, arg1, arg2 ]);
return module.createMemoryFill(arg0, arg1, arg2);
}
// other