stage2: sparc64: Implement stack argument

This commit is contained in:
Koakuma 2022-12-10 20:55:57 +07:00
parent a72362f395
commit 219b5f0ad6

View File

@ -992,12 +992,21 @@ fn airArg(self: *Self, inst: Air.Inst.Index) !void {
self.arg_index += 1;
const ty = self.air.typeOfIndex(inst);
_ = ty;
const result = self.args[arg_index];
// TODO support stack-only arguments
// TODO Copy registers to the stack
const mcv = result;
const arg = self.args[arg_index];
const mcv = blk: {
switch (arg) {
.stack_offset => |off| {
const mod = self.bin_file.options.module.?;
const abi_size = math.cast(u32, ty.abiSize(self.target.*)) orelse {
return self.fail("type '{}' too big to fit into stack frame", .{ty.fmt(mod)});
};
const offset = off + abi_size;
break :blk MCValue{ .stack_offset = offset };
},
else => break :blk arg,
}
};
try self.genArgDbgInfo(inst, mcv, @intCast(u32, arg_index));
@ -4182,7 +4191,7 @@ 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() and !tv.ty.isError()) {
if (!tv.ty.hasRuntimeBitsIgnoreComptime() and !tv.ty.isError()) {
return MCValue{ .none = {} };
}
return self.genTypedValue(tv);
@ -4190,7 +4199,7 @@ 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() and !inst_ty.isError())
if (!inst_ty.hasRuntimeBitsIgnoreComptime() and !inst_ty.isError())
return MCValue{ .none = {} };
const inst_index = @intCast(Air.Inst.Index, ref_int - Air.Inst.Ref.typed_value_map.len);