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| author | Stan Shebs <shebs@codesourcery.com> | 1999-04-26 18:34:20 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-26 18:34:20 +0000 |
| commit | 7a292a7adf506b866905b06b3024c0fd411c4583 (patch) | |
| tree | 5b208bb48269b8a82d5c3a5f19c87b45a62a22f4 /sim/d30v/engine.c | |
| parent | 1996fae84682e8ddd146215dd2959ad1ec924c09 (diff) | |
| download | gdb-7a292a7adf506b866905b06b3024c0fd411c4583.zip gdb-7a292a7adf506b866905b06b3024c0fd411c4583.tar.gz gdb-7a292a7adf506b866905b06b3024c0fd411c4583.tar.bz2 | |
import gdb-19990422 snapshot
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); |