diff options
Diffstat (limited to 'sim/d30v/engine.c')
| -rw-r--r-- | sim/d30v/engine.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sim/d30v/engine.c b/sim/d30v/engine.c index 402a2f5..2bbaad1 100644 --- a/sim/d30v/engine.c +++ b/sim/d30v/engine.c @@ -134,9 +134,9 @@ unqueue_writes (SIM_DESC sd, if (ptr == psw_addr) { - /* If MU instruction was not a MVTSYS (lkr), resolve PSW + /* If MU instruction was not a MVTSYS, resolve PSW contention in favour of IU. */ - if(! STATE_CPU (sd, 0)->left_kills_right_p) + if(! STATE_CPU (sd, 0)->mvtsys_left_p) { /* Detect contention in parallel writes to the same PSW flags. The hardware allows the updates from IU to prevail over @@ -249,6 +249,7 @@ do_2_short (SIM_DESC sd, /* run the first instruction */ STATE_CPU (sd, 0)->unit = unit; STATE_CPU (sd, 0)->left_kills_right_p = 0; + STATE_CPU (sd, 0)->mvtsys_left_p = 0; nia = s_idecode_issue(sd, insn1, cia); @@ -267,6 +268,7 @@ do_2_short (SIM_DESC sd, } STATE_CPU (sd, 0)->left_kills_right_p = 0; + STATE_CPU (sd, 0)->mvtsys_left_p = 0; return nia; } @@ -283,6 +285,7 @@ do_parallel (SIM_DESC sd, /* run the first instruction */ STATE_CPU (sd, 0)->unit = memory_unit; STATE_CPU (sd, 0)->left_kills_right_p = 0; + STATE_CPU (sd, 0)->mvtsys_left_p = 0; nia_left = s_idecode_issue(sd, left_insn, cia); |