r12               466 src/x64/assembler-x64-inl.h   ASSERT(!index.is(rsp) || base.is(rsp) || base.is(r12));
r12               217 src/x64/assembler-x64.cc   if (base.is(rsp) || base.is(r12)) {
r12               194 src/x64/assembler-x64.h const Register r12 = { kRegister_r12_Code };
r12              4135 src/x64/code-stubs-x64.cc     __ push(r12);
r12              4244 src/x64/code-stubs-x64.cc   __ pop(r12);