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stage2: sparc64: Implement airWrapErrUnionErr

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This commit is contained in:
Koakuma 2022-06-02 23:34:21 +07:00
parent c00d493a00
commit 31f24dbc55
1 changed files with 15 additions and 1 deletions
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16
src/arch/sparc64/CodeGen.zig
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@ -679,7 +679,7 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
.wrap_optional => @panic("TODO try self.airWrapOptional(inst)"),
.wrap_errunion_payload => @panic("TODO try self.airWrapErrUnionPayload(inst)"),
.wrap_errunion_err => @panic("TODO try self.airWrapErrUnionErr(inst)"),
.wrap_errunion_err => try self.airWrapErrUnionErr(inst),
.wasm_memory_size => unreachable,
.wasm_memory_grow => unreachable,
@ -1851,6 +1851,20 @@ fn airUnwrapErrPayload(self: *Self, inst: Air.Inst.Index) !void {
return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
}
/// E to E!T
fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) !void {
const ty_op = self.air.instructions.items(.data)[inst].ty_op;
const result: MCValue = if (self.liveness.isUnused(inst)) .dead else result: {
const error_union_ty = self.air.getRefType(ty_op.ty);
const payload_ty = error_union_ty.errorUnionPayload();
const mcv = try self.resolveInst(ty_op.operand);
if (!payload_ty.hasRuntimeBits()) break :result mcv;
return self.fail("TODO implement wrap errunion error for non-empty payloads", .{});
};
return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
}
// Common helper functions
/// Adds a Type to the .debug_info at the current position. The bytes will be populated later,