SmiNot            831 src/x64/code-stubs-x64.cc   __ SmiNot(rax, rax);
SmiNot           5585 src/x64/code-stubs-x64.cc     __ SmiNot(rdx, rdx);
SmiNot            649 src/x64/macro-assembler-x64.h   void SmiNot(Register dst, Register src);
SmiNot           1785 test/cctest/test-macro-assembler-x64.cc   __ SmiNot(r9, rcx);
SmiNot           1794 test/cctest/test-macro-assembler-x64.cc   __ SmiNot(rcx, rcx);