On 05/30/2011 12:07 PM, Alexandre Oliva wrote:
> One of my patches for PR48866 mysteriously regressed fma3-fma.c. It
> turned out that a rearrangement in the order of emitting insns during
> expansion caused combine to attempt combinations in a different order,
> and this ended up exposing a laten
One of my patches for PR48866 mysteriously regressed fma3-fma.c. It
turned out that a rearrangement in the order of emitting insns during
expansion caused combine to attempt combinations in a different order,
and this ended up exposing a latent error in the cost computation of FMA
insns, that caus