assignShift

fn assignShift(
    gz: *GenZir,
    scope: *Scope,
    infix_node: Ast.Node.Index,
    op_inst_tag: Zir.Inst.Tag,
) InnerError!void

File

Code

fn assignShift(
    gz: *GenZir,
    scope: *Scope,
    infix_node: Ast.Node.Index,
    op_inst_tag: Zir.Inst.Tag,
) InnerError!void {
    try emitDbgNode(gz, infix_node);
    const astgen = gz.astgen;
    const tree = astgen.tree;

    const lhs_node, const rhs_node = tree.nodeData(infix_node).node_and_node;
    const lhs_ptr = try lvalExpr(gz, scope, lhs_node);
    const lhs = try gz.addUnNode(.load, lhs_ptr, infix_node);
    const rhs_type = try gz.addUnNode(.typeof_log2_int_type, lhs, infix_node);
    const rhs = try expr(gz, scope, .{ .rl = .{ .ty = rhs_type } }, rhs_node);

    const result = try gz.addPlNode(op_inst_tag, infix_node, Zir.Inst.Bin{
        .lhs = lhs,
        .rhs = rhs,
    });
    _ = try gz.addPlNode(.store_node, infix_node, Zir.Inst.Bin{
        .lhs = lhs_ptr,
        .rhs = result,
    });
}