movsxwq           720 src/x64/assembler-x64.h   void movsxwq(Register dst, const Operand& src);
movsxwq          2627 src/x64/lithium-codegen-x64.cc         __ movsxwq(result, operand);
movsxwq          3363 src/x64/stub-cache-x64.cc       __ movsxwq(rcx, Operand(rbx, rcx, times_2, 0));
movsxwq           112 test/cctest/test-disasm-x64.cc   __ movsxwq(rdx, Operand(rcx, 0));
movsxwq           145 test/cctest/test-disasm-x64.cc   __ movsxwq(rdx, Operand(rsp, 12));