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Use fixed size tables when possible #2189

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MaxGraey wants to merge 4 commits into from
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Use fixed size tables when possible #2189

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1cd9a26
use fixed size tables when this possible
MaxGraey Jan 19, 2022
edde7e2
refactor ci. exclude window from matrix
MaxGraey Jan 19, 2022
0b95d7b
Merge branch 'main' into fixed-tables
MaxGraey Apr 9, 2022
c034bb1
update fixtures
MaxGraey Apr 9, 2022
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10 changes: 9 additions & 1 deletion src/compiler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -725,7 +725,15 @@ export class Compiler extends DiagnosticEmitter {
for (let i = 0, k = functionTable.length; i < k; ++i) {
functionTableNames[i] = functionTable[i].internalName;
}
module.addFunctionTable("0", tableBase + functionTable.length, Module.UNLIMITED_TABLE, functionTableNames, module.i32(tableBase));
var tableSize = tableBase + functionTable.length;
module.addFunctionTable(
"0",
tableSize,
// use fixed size for non-imported tables
options.importTable ? Module.UNLIMITED_TABLE : tableSize,
functionTableNames,
module.i32(tableBase)
);

// expose the arguments length helper if there are varargs exports
if (this.runtimeFeatures & RuntimeFeatures.setArgumentsLength) {
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2 changes: 1 addition & 1 deletion tests/compiler/NonNullable.debug.wat
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Expand Up @@ -21,7 +21,7 @@
(data (i32.const 124) "L\00\00\00\00\00\00\00\00\00\00\00\01\00\00\002\00\00\00A\00r\00r\00a\00y\00<\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00/\00S\00t\00r\00i\00n\00g\00>\00\00\00\00\00\00\00\00\00\00\00")
(data (i32.const 204) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00z\00\00\00\00\00\00\00\00\00\00\00")
(data (i32.const 236) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\1e\00\00\00u\00n\00e\00x\00p\00e\00c\00t\00e\00d\00 \00n\00u\00l\00l\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
(table $0 1 funcref)
(table $0 1 1 funcref)
(elem $0 (i32.const 1))
(export "memory" (memory $0))
(start $~start)
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