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* config/avr/avr.md (UNSPEC_SWAP): Remove constants. (*swap): Remove. (rotlqi3, *rotlqi3_4, rotlhi3, *rotlhi3_8, rotlsi3, *rotlsi3_8, *rotlsi3_16, *rotlsi3_24): New patterns. (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6, lshrqi3_const4, lshrqi3_const5, lshrqi3_const6, lshrqi3_l_const4, lshrqi3_l_const4, lshrqi3_l_const6 peephole2's): Replace unspec with rotate. * config/avr/avr.c (avr_rtx_costs): Add ROTATE. From-SVN: r141533
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