Hazard checking control within interconnect circuitry

Interconnect circuitry for communicating access transactions between one or more transaction sources and one or more transaction destinations, said interconnect circuitry comprising:

• reorder buffer means for buffering and for permitting reordering of a plurality of access transactions received from said one or more transaction sources before said plurality of access transactions are communicated to respective ones of said one or more transaction destinations;
• hazard checking means coupled to said reorder buffer means for performing one or more hazard checks upon said plurality of access transactions buffered within said reorder buffer means;
• and
• check suppression means coupled to said hazard checking means for at least partially suppressing said one or more hazard checks for a given access transaction buffered within said reorder buffer means in dependence upon one or more state variables dependent upon other access transactions buffered within said reorder buffer means.

A method of operating interconnect circuitry for communicating access transactions between one or more transaction sources and one or more transaction destinations, said method comprising the steps of:

• within a reorder buffer, buffering and permitting reordering of a plurality of access transactions received from said one or more transaction sources before said plurality of access transactions are communicated to respective ones of said one or more transaction destinations;
• performing one or more hazard checks upon said plurality of access transactions buffered within said reorder buffer;
• and
• at least partially suppressing said one or more hazard checks for a given access transaction buffered within said reorder buffer in dependence upon one or more state variables dependent upon other access transactions buffered within said reorder buffer.