Paolo Bonzini <[EMAIL PROTECTED]> wrote: > This pass does simple forward propagation and simplification when > an operand of an insn can only come from a single def. The pass has a > very good potential of catching simplifications currently done by > inter-basic-block CSE (-fcse-follow-jumps and -fcse-skip-blocks) and > combine: however, it is much faster than inter-basic-block CSE and > runs much earlier than combine.
It is not clear whether this patch will make -fcse-follow-jumps / -fcse-skip-blocks obsolete and thus disable/remove them. I think this should be clearly stated. Giovanni Bajo