Test ISA-MP-DEP-SUCCESS-SWAP-SIMPLE

RISCV ISA-MP-DEP-SUCCESS-SWAP-SIMPLE
(*
 MP-style success dependency inserted in load-to-load, second load part of
 amoswap, simple version on two locations only.
 From an idea by Jonas Oberhausen.
*)
{
0:x6=x; 0:x8=y;
1:x6=x; 1:x8=y;
}
 P0          | P1                ;
 ori x5,x0,2 | lr.w x3,0(x8)     ;
 sw x5,0(x6) | sc.w x4,x3,0(x8) ;
 fence w,w   | amoswap.w x5,x4,0(x6) ;
 ori x7,x0,1 |                   ;
 sw x7,0(x8) |                   ;

locations [1:x4;]
exists
(1:x3=1 /\ 1:x5=0)