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stage2: sparc64: Some bookkeeping fixes

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This commit is contained in:
Koakuma 2022-06-01 08:45:51 +07:00
parent 89b4195c69
commit 2dfe307d60
1 changed files with 5 additions and 3 deletions
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8
src/arch/sparc64/CodeGen.zig
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@ -686,6 +686,8 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
// zig fmt: on
}
assert(!self.register_manager.lockedRegsExist());
if (std.debug.runtime_safety) {
if (self.air_bookkeeping < old_air_bookkeeping + 1) {
std.debug.panic("in codegen.zig, handling of AIR instruction %{d} ('{}') did not do proper bookkeeping. Look for a missing call to finishAir.", .{ inst, air_tags[inst] });
@ -2915,7 +2917,7 @@ fn isNonErr(self: *Self, ty: Type, operand: MCValue) !MCValue {
switch (is_err_result) {
.compare_flags_unsigned => |op| {
assert(op.cmp == .gt);
return MCValue{ .compare_flags_unsigned = .{ .cmp = .gt, .ccr = op.ccr } };
return MCValue{ .compare_flags_unsigned = .{ .cmp = .lte, .ccr = op.ccr } };
},
.immediate => |imm| {
assert(imm == 0);
@ -3176,7 +3178,7 @@ fn resolveInst(self: *Self, inst: Air.Inst.Ref) InnerError!MCValue {
const ref_int = @enumToInt(inst);
if (ref_int < Air.Inst.Ref.typed_value_map.len) {
const tv = Air.Inst.Ref.typed_value_map[ref_int];
if (!tv.ty.hasRuntimeBits()) {
if (!tv.ty.hasRuntimeBits() and !tv.ty.isError()) {
return MCValue{ .none = {} };
}
return self.genTypedValue(tv);
@ -3184,7 +3186,7 @@ fn resolveInst(self: *Self, inst: Air.Inst.Ref) InnerError!MCValue {
// If the type has no codegen bits, no need to store it.
const inst_ty = self.air.typeOf(inst);
if (!inst_ty.hasRuntimeBits())
if (!inst_ty.hasRuntimeBits() and !inst_ty.isError())
return MCValue{ .none = {} };
const inst_index = @intCast(Air.Inst.Index, ref_int - Air.Inst.Ref.typed_value_map.len);