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wasm codegen: fix call_indirect

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This commit is contained in:
Andrew Kelley 2024-12-18 20:07:54 -08:00
parent 070b973c4a
commit 568d9936ab
1 changed files with 5 additions and 3 deletions
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8
src/arch/wasm/CodeGen.zig
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@ -235,7 +235,6 @@ const Op = enum {
br_table,
@"return",
call,
call_indirect,
drop,
select,
global_get,
@ -313,7 +312,6 @@ fn buildOpcode(args: OpcodeBuildArguments) std.wasm.Opcode {
.br_table => unreachable,
.@"return" => unreachable,
.call => unreachable,
.call_indirect => unreachable,
.drop => unreachable,
.select => unreachable,
.global_get => unreachable,
@ -873,6 +871,10 @@ fn addLocal(cg: *CodeGen, tag: Mir.Inst.Tag, local: u32) error{OutOfMemory}!void
try cg.addInst(.{ .tag = tag, .data = .{ .local = local } });
}
fn addFuncTy(cg: *CodeGen, tag: Mir.Inst.Tag, i: Wasm.FunctionType.Index) error{OutOfMemory}!void {
try cg.addInst(.{ .tag = tag, .data = .{ .func_ty = i } });
}
/// Accepts an unsigned 32bit integer rather than a signed integer to
/// prevent us from having to bitcast multiple times as most values
/// within codegen are represented as unsigned rather than signed.
@ -2211,7 +2213,7 @@ fn airCall(cg: *CodeGen, inst: Air.Inst.Index, modifier: std.builtin.CallModifie
try cg.emitWValue(operand);
const fn_type_index = try wasm.internFunctionType(fn_info.cc, fn_info.param_types.get(ip), .fromInterned(fn_info.return_type), cg.target);
try cg.addLabel(.call_indirect, @intFromEnum(fn_type_index));
try cg.addFuncTy(.call_indirect, fn_type_index);
}
const result_value = result_value: {