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stage2: sparc64: Implement error value generation

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This commit is contained in:
Koakuma 2022-05-06 22:14:32 +07:00
parent 3ab6634370
commit 0b54649cac
1 changed files with 28 additions and 0 deletions
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28
src/arch/sparc64/CodeGen.zig
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@ -1808,6 +1808,34 @@ fn genTypedValue(self: *Self, typed_value: TypedValue) InnerError!MCValue {
return self.fail("TODO implement int genTypedValue of > 64 bits", .{});
}
},
.ErrorSet => {
const err_name = typed_value.val.castTag(.@"error").?.data.name;
const module = self.bin_file.options.module.?;
const global_error_set = module.global_error_set;
const error_index = global_error_set.get(err_name).?;
return MCValue{ .immediate = error_index };
},
.ErrorUnion => {
const error_type = typed_value.ty.errorUnionSet();
const payload_type = typed_value.ty.errorUnionPayload();
if (typed_value.val.castTag(.eu_payload)) |pl| {
if (!payload_type.hasRuntimeBits()) {
// We use the error type directly as the type.
return MCValue{ .immediate = 0 };
}
_ = pl;
return self.fail("TODO implement error union const of type '{}' (non-error)", .{typed_value.ty.fmtDebug()});
} else {
if (!payload_type.hasRuntimeBits()) {
// We use the error type directly as the type.
return self.genTypedValue(.{ .ty = error_type, .val = typed_value.val });
}
return self.fail("TODO implement error union const of type '{}' (error)", .{typed_value.ty.fmtDebug()});
}
},
.ComptimeInt => unreachable, // semantic analysis prevents this
.ComptimeFloat => unreachable, // semantic analysis prevents this
else => return self.fail("TODO implement const of type '{}'", .{typed_value.ty.fmtDebug()}),