9e3c68f1e0
Now that we're using 32-bit ops for 8/16-bit logical operations (to avoid partial register stalls), there's really no need to keep track of the 8/16-bit ops at all. Convert everything we can to 32-bit ops. This CL is the obvious stuff. I might think a bit more about whether we can get rid of weirder stuff like HMULWU. The only downside to this CL is that we lose some information about constants. If we had source like: var a byte = ... a += 128 a += 128 We will convert that to a += 256, when we could get rid of the add altogether. This seems like a fairly unusual scenario and I'm happy with forgoing that optimization. Change-Id: Ia7c1e5203d0d110807da69ed646535194a3efba1 Reviewed-on: https://go-review.googlesource.com/22382 Reviewed-by: Todd Neal <todd@tneal.org> |
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