> Or rather I wish I had "systems-C" where all the undefined behaviour added for high performance computing was filed off and defined as "whatever the platform

> Or rather I wish I had "systems-C" where all the undefined behaviour added for high performance computing was filed off and defined as "whatever the platform does". Depending on what you mean by undefined behavior, now you've made register allocation an invalid optimization. You really don't want to use that version of C.