>>> Steve Ellcey wrote: > > After your change GCC sees that the code for f1 and f2 are identical > so it replaced the body of f2 with a call to f1. This optimization will > save space but it is not going to be faster because any call to f2 will > now include an extra call/return. Do other platforms have this same issue > or is there a way to make f2 an alias for f1 on other targets so no extra > call is needed? I looked around to see if there was a target function or > macro that is used to make one function an alias of another but I didn't > see anything.
This probably is not good for POWER, and probably not for ARM, in fact probably not good for most RISC architectures. - David