tree 51b4843de8404c7180737216b340c1d9a8a1a76a
parent c1cf85c9acb847c4871c0b241ced8fabf410d502
author Aurelien Jarno <aurelien@aurel32.net> 1348244426 +0200
committer Aurelien Jarno <aurelien@aurel32.net> 1348319420 +0200

tcg/mips: implement rotl/rotr ops on MIPS32R2

rotr operations can be optimized on MIPS32 Release 2 using the ROTR and
ROTRV instructions. Also implemented rotl operations by subtracting the
shift from 32.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>