2017-07-19 20:46 GMT+03:00 Josh Poimboeuf <[email protected]>: > > After doing some testing, I don't think this approach is going to work > after all. In addition to forcing the stack frame, it also causes GCC > to add an unnecessary extra instruction to the epilogue of each affected > function: > > lea -0x10(%rbp),%rsp > > We shouldn't be inserting extra instructions like that. I also don't > think the other suggestion of turning the '__sp' register variable into > a global variable is a very good solution either, as that just wastes > memory for no reason. >
Wastes memory? How is that wastes memory? That doesn't make any sense. > It would be nice if both compilers could agree on a way to support this. > > -- > Josh
