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stage2: sparc64: Implement airUnwrapErrErr

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This commit is contained in:
Koakuma 2022-05-15 10:28:22 +07:00
parent 77eef33c04
commit 67a1fedf84
1 changed files with 14 additions and 1 deletions
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15
src/arch/sparc64/CodeGen.zig
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@ -650,7 +650,7 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
.optional_payload => @panic("TODO try self.airOptionalPayload(inst)"),
.optional_payload_ptr => @panic("TODO try self.airOptionalPayloadPtr(inst)"),
.optional_payload_ptr_set => @panic("TODO try self.airOptionalPayloadPtrSet(inst)"),
.unwrap_errunion_err => @panic("TODO try self.airUnwrapErrErr(inst)"),
.unwrap_errunion_err => try self.airUnwrapErrErr(inst),
.unwrap_errunion_payload => try self.airUnwrapErrPayload(inst),
.unwrap_errunion_err_ptr => @panic("TODO try self.airUnwrapErrErrPtr(inst)"),
.unwrap_errunion_payload_ptr=> @panic("TODO try self.airUnwrapErrPayloadPtr(inst)"),
@ -1465,6 +1465,19 @@ fn airSwitch(self: *Self, inst: Air.Inst.Index) !void {
return self.fail("TODO implement switch for {}", .{self.target.cpu.arch});
}
fn airUnwrapErrErr(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.typeOf(ty_op.operand);
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 unwrap error union error for non-empty payloads", .{});
};
return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
}
fn airUnwrapErrPayload(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: {