On 20/05/15 14:37, David Howells wrote:
Paul E. McKenney <paul...@linux.vnet.ibm.com> wrote:I was thinking of "y" as a simple variable, but if it is something more complex, then the compiler could do this, right? char *x; y; x = z;Yeah. I presume it has to maintain the ordering, though.
The scheduler for e.g. is free to reorder if it can prove there is no dependence (or indeed side-effects for y) between insns produced for y and `x = z'.
regards Ramana
David
