/*lock{} is a compiler stmt
which places asm LOCK inst
prefixes on code.  Only use it on
read-modify-write stmts.
It will generate invalid insts
if you misuse it and it will crash.
U() to see what code was generated.
*/

#define CNT     0x1000000

I64 glbl;

U0 MPUnlockedInc(I64)
{
  I64 i;
  for (i=0; i<CNT; i++)
    glbl++;
}

U0 UnlockedInc()
{
  CJob *tmpm0,*tmpm1;
  glbl=0;
  tmpm0=JobQue(&MPUnlockedInc,NULL,0,0);
  tmpm1=JobQue(&MPUnlockedInc,NULL,1,0);
  JobResGet(tmpm0);
  JobResGet(tmpm1);
  "Correct Cnt:%X Actual Cnt:%X\n"
  ,CNT*2,glbl;
}

U0 MPLockedInc(I64)
{
  I64 i;
  for (i=0; i<CNT; i++)
    lock  //Can be used without {}
    glbl++;
}

U0 LockedInc()
{
  CJob *tmpm0,*tmpm1;
  glbl=0;
  tmpm0=JobQue(&MPLockedInc,NULL,0,0);
  tmpm1=JobQue(&MPLockedInc,NULL,1,0);
  JobResGet(tmpm0);
  JobResGet(tmpm1);
  "Correct Cnt:%X Actual Cnt:%X\n"
  ,CNT*2,glbl;
}

UnlockedInc;
LockedInc;