Add PUSH_CALLEE_SAVED_REGS/POP_CALLEE_SAVED_REGS calling convention macros that can be used by asm code independent of architecture and system.
Issue: #3289
Add PUSH_CALLEE_SAVED_REGS/POP_CALLEE_SAVED_REGS calling convention macros that can be used by asm code independent of architecture and system.
Issue: #3289