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target/s390x: implement TEST AND SET 

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <20170531220129.27724-5-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Aurelien Jarno 2017-06-01 00:01:03 +02:00 committed by Richard Henderson
parent 1f58720c5f
commit 6699adfc18
2 changed files with 13 additions and 0 deletions
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3
target/s390x/insn-data.def
View File

@ -810,6 +810,9 @@
/* SUPERVISOR CALL */
C(0x0a00, SVC, I, Z, 0, 0, 0, 0, svc, 0)
/* TEST AND SET */
C(0x9300, TS, S, Z, 0, a2, 0, 0, ts, 0)
/* TEST DATA CLASS */
C(0xed10, TCEB, RXE, Z, e1, a2, 0, 0, tceb, 0)
C(0xed11, TCDB, RXE, Z, f1_o, a2, 0, 0, tcdb, 0)

10
target/s390x/translate.c
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@ -4134,6 +4134,16 @@ static ExitStatus op_trt(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_ts(DisasContext *s, DisasOps *o)
{
TCGv_i32 t1 = tcg_const_i32(0xff);
tcg_gen_atomic_xchg_i32(t1, o->in2, t1, get_mem_index(s), MO_UB);
tcg_gen_extract_i32(cc_op, t1, 7, 1);
tcg_temp_free_i32(t1);
set_cc_static(s);
return NO_EXIT;
}
static ExitStatus op_unpk(DisasContext *s, DisasOps *o)
{
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));