If memory serves, wasn't that a bit of a tool minefield back then, too? It’s been a while but I thought I remembered a few colleagues trying GCC’s version which

If memory serves, wasn't that a bit of a tool minefield back then, too? It’s been a while but I thought I remembered a few colleagues trying GCC’s version which involved building a new version of GCC, slowing down the builds a fair amount, and then seeing only a small benefit – far less than they got switching to the first AMD Opteron when it came out a year later.