Bradley Lucier <luc...@math.purdue.edu> writes: > and RBX is used by XLAT, XLATB.
XLAT* is generally not used anymore, certainly not in gcc generated code. > Are 12 registers not enough, in principle, to do scheduling before > register allocation? You want to limit gcc to only 12 registers? > I was getting a 15% speedup on some numerical That would assume that only using 12 registers doesn't cause slowdowns elsewhere, which is likely in fact. -Andi -- a...@linux.intel.com -- Speaking for myself only.