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  • Christoph Mallon's avatar
    be: Lower Perms using copy instead of swap by default. · 9e01dc11
    Christoph Mallon authored 
    For architectures without a swap instruction (all except general purpose register set on amd64 and ia32) this results in shorter code.
In many cases (probably except swapping two registers) it is also better this way on amd64/ia32 due to fewer uops and modern processors eliminating mov during decoding.
    9e01dc11
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