I Register ABI Name Description Saved by Calle- x0 zero hardwired zero – x1 ra return address -R x2 sp stack pointer -E x3 gp global pointer – x4 tp thread pointer – x5 t0 temporary register 0 -R x6 t1 temporary register 1 -R x7 t2 temporary register 2 -R x8 s0 / fp saved… Read more