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4b803151ce
Convert shift ops to also encode the size of the shift amount. Change signed right shift from using CMOV to using bit twiddles. It is a little bit better (5 instructions instead of 4, but fewer bytes and slightly faster code). It's also a bit faster than the 4-instruction branch version, even with a very predictable branch. As tested on my machine, YMMV. Implement OCOM while we are here. Change-Id: I8ca12dd62fae5d626dc0e6da5d4bbd34fd9640d2 Reviewed-on: https://go-review.googlesource.com/12867 Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> |
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