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Re: ifcvt/crossjump patch: Fix PR 42496, 21803
On 07/27/10 16:16, Eric Botcazou wrote:
Think about plucking a common insn from the middle of a block rather
than strictly at the head or tail.
It's probably worth noting that these optimizations are more effective
when they're allowed to move insns. So while limiting to CFG
approaches may simplify things, it also leads to fewer opportunities to
Do you have a concrete example of such an optimization that would be doable
with code movements but not with CFG manipulations?