On 2012-09-17 01:48, Timo Kreuzer wrote:
Amd64 doesn't need a frame pointer. Backtraces are
made based on unwind
tables. At least if GCC conforms to the ABI.
That's why the option was removed. It doesn't do anything anyway ;)
Any form of -O implies -fomit-frame-pointer on AMD64 AFAIK.