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target-xtensa: implement SYNC group 

All operations in this group are no-ops, because there are no delayed
side effects.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Max Filippov 2011-09-06 03:55:38 +04:00 committed by Blue Swirl
parent 91a5bb76d4
commit 28067b2288
1 changed files with 30 additions and 1 deletions
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31
target-xtensa/translate.c
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@ -429,7 +429,36 @@ static void disas_xtensa_insn(DisasContext *dc)
break;
case 2: /*SYNC*/
TBD();
switch (RRR_T) {
case 0: /*ISYNC*/
break;
case 1: /*RSYNC*/
break;
case 2: /*ESYNC*/
break;
case 3: /*DSYNC*/
break;
case 8: /*EXCW*/
HAS_OPTION(XTENSA_OPTION_EXCEPTION);
break;
case 12: /*MEMW*/
break;
case 13: /*EXTW*/
break;
case 15: /*NOP*/
break;
default: /*reserved*/
RESERVED();
break;
}
break;
case 3: /*RFEIx*/