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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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80
src/program.ts
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@ -106,7 +106,9 @@ import {
} from "./module";
import {
CharCode
CharCode,
bitsetIs,
bitsetSet
} from "./util";
import {
@ -1239,7 +1241,7 @@ export class Program extends DiagnosticEmitter {
} else {
this.error(
DiagnosticCode.Expected_0_arguments_but_got_1,
decorator.range, "1", numArgs.toString(0)
decorator.range, "1", numArgs.toString(10)
);
}
}
@ -3237,68 +3239,30 @@ export class Flow {
/** Tests if the value of the local at the specified index is considered wrapped. */
isLocalWrapped(index: i32): bool {
var map: I64;
var ext: I64[] | null;
if (index < 64) {
if (index < 0) return true; // inlined constant
map = this.wrappedLocals;
} else if (ext = this.wrappedLocalsExt) {
let i = ((index - 64) / 64) | 0;
if (i >= ext.length) return false;
map = ext[i];
index -= (i + 1) * 64;
} else {
return false;
}
return i64_ne(
i64_and(
map,
i64_shl(
i64_one,
i64_new(index)
)
),
i64_zero
);
if (index < 0) return true; // inlined constant
if (index < 64) return bitsetIs(this.wrappedLocals, index);
var ext = this.wrappedLocalsExt;
var i = ((index - 64) / 64) | 0;
if (!(ext && i < ext.length)) return false;
return bitsetIs(ext[i], index - (i + 1) * 64);
}
/** Sets if the value of the local at the specified index is considered wrapped. */
setLocalWrapped(index: i32, wrapped: bool): void {
var map: I64;
var off: i32 = -1;
if (index < 0) return; // inlined constant
if (index < 64) {
if (index < 0) return; // inlined constant
map = this.wrappedLocals;
} else {
let ext = this.wrappedLocalsExt;
off = ((index - 64) / 64) | 0;
if (!ext) {
this.wrappedLocalsExt = ext = new Array(off + 1);
ext.length = 0;
}
while (ext.length <= off) ext.push(i64_new(0));
map = ext[off];
index -= (off + 1) * 64;
this.wrappedLocals = bitsetSet(this.wrappedLocals, index, wrapped);
return;
}
map = wrapped
? i64_or(
map,
i64_shl(
i64_one,
i64_new(index)
)
)
: i64_and(
map,
i64_not(
i64_shl(
i64_one,
i64_new(index)
)
)
);
if (off >= 0) (<I64[]>this.wrappedLocalsExt)[off] = map;
else this.wrappedLocals = map;
var ext = this.wrappedLocalsExt;
var i = ((index - 64) / 64) | 0;
if (!ext) {
this.wrappedLocalsExt = ext = new Array(i + 1);
for (let j = 0; j <= i; ++j) ext[j] = i64_new(0);
} else {
while (ext.length <= i) ext.push(i64_new(0));
}
ext[i] = bitsetSet(ext[i], index - (i + 1) * 64, wrapped);
}
/** Pushes a new break label to the stack, for example when entering a loop that one can `break` from. */