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stage2: sparc64: Implement airPtrSliceLenPtr/airPtrSlicePtrPtr stubs

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Koakuma 2023-04-24 13:23:17 +07:00 committed by Andrew Kelley
parent 75a1360cdd
commit ccc9b8caf6
1 changed files with 34 additions and 2 deletions
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36
src/arch/sparc64/CodeGen.zig
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@ -667,8 +667,8 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
.slice_ptr => try self.airSlicePtr(inst),
.slice_len => try self.airSliceLen(inst),
.ptr_slice_len_ptr => @panic("TODO try self.airPtrSliceLenPtr(inst)"),
.ptr_slice_ptr_ptr => @panic("TODO try self.airPtrSlicePtrPtr(inst)"),
.ptr_slice_len_ptr => try self.airPtrSliceLenPtr(inst),
.ptr_slice_ptr_ptr => try self.airPtrSlicePtrPtr(inst),
.array_elem_val => try self.airArrayElemVal(inst),
.slice_elem_val => try self.airSliceElemVal(inst),
@ -2238,6 +2238,38 @@ fn airPtrElemPtr(self: *Self, inst: Air.Inst.Index) !void {
return self.finishAir(inst, result, .{ extra.lhs, extra.rhs, .none });
}
fn airPtrSliceLenPtr(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 ptr_bits = self.target.cpu.arch.ptrBitWidth();
const ptr_bytes = @divExact(ptr_bits, 8);
const mcv = try self.resolveInst(ty_op.operand);
switch (mcv) {
.dead, .unreach, .none => unreachable,
.ptr_stack_offset => |off| {
break :result MCValue{ .ptr_stack_offset = off - ptr_bytes };
},
else => return self.fail("TODO implement ptr_slice_len_ptr for {}", .{mcv}),
}
};
return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
}
fn airPtrSlicePtrPtr(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 mcv = try self.resolveInst(ty_op.operand);
switch (mcv) {
.dead, .unreach, .none => unreachable,
.ptr_stack_offset => |off| {
break :result MCValue{ .ptr_stack_offset = off };
},
else => return self.fail("TODO implement ptr_slice_len_ptr for {}", .{mcv}),
}
};
return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
}
fn airPtrToInt(self: *Self, inst: Air.Inst.Index) !void {
const un_op = self.air.instructions.items(.data)[inst].un_op;
const result = try self.resolveInst(un_op);