testq            2099 src/x64/assembler-x64.cc void Assembler::testq(const Operand& op, Register reg) {
testq            2107 src/x64/assembler-x64.cc void Assembler::testq(Register dst, Register src) {
testq            2121 src/x64/assembler-x64.cc void Assembler::testq(Register dst, Immediate mask) {