1828   // prepare expression stack

  1828   // prepare expression stack

  1829   __ pop(rcx);          // pop return address so expression stack is 'pure'

  1829   __ pop(rcx);          // pop return address so expression stack is 'pure'

  1830   __ push(state);       // save tosca

  1830   __ push(state);       // save tosca

  1831 

  1831 

  1832   // pass tosca registers as arguments & call tracer

  1832   // pass tosca registers as arguments & call tracer

  1834   __ mov(rcx, rax);     // make sure return address is not destroyed by pop(state)

  1834   __ mov(rcx, rax);     // make sure return address is not destroyed by pop(state)

  1835   __ pop(state);        // restore tosca

  1835   __ pop(state);        // restore tosca

  1836 

  1836 

  1837   // return

  1837   // return

  1838   __ jmp(rcx);

  1838   __ jmp(rcx);

  1845   __ mov(c_rarg2, rax);  // Pass itos

  1845   __ mov(c_rarg2, rax);  // Pass itos

  1846 #ifdef _WIN64

  1846 #ifdef _WIN64

  1847   __ movflt(xmm3, xmm0); // Pass ftos

  1847   __ movflt(xmm3, xmm0); // Pass ftos

  1848 #endif

  1848 #endif

  1849   __ call_VM(noreg,

  1849   __ call_VM(noreg,

  1851              c_rarg1, c_rarg2, c_rarg3);

  1851              c_rarg1, c_rarg2, c_rarg3);

  1852   __ pop(c_rarg3);

  1852   __ pop(c_rarg3);

  1853   __ pop(c_rarg2);

  1853   __ pop(c_rarg2);

  1854   __ pop(c_rarg1);

  1854   __ pop(c_rarg1);

  1855   __ pop(c_rarg0);

  1855   __ pop(c_rarg0);