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[03/26] target/s390x: implement TEST AND SET

Message ID 20170525210508.4910-4-aurelien@aurel32.net (mailing list archive)
State New, archived
Headers show

Commit Message

Aurelien Jarno May 25, 2017, 9:04 p.m. UTC 
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 target/s390x/insn-data.def |  3 +++
 target/s390x/translate.c   | 10 ++++++++++
 2 files changed, 13 insertions(+)

Comments

Richard Henderson May 26, 2017, 1:42 p.m. UTC | #1 
On 05/25/2017 02:04 PM, Aurelien Jarno wrote:
> +    TCGv_i32 t1 = tcg_const_i32(0xff);
> +    tcg_gen_atomic_fetch_or_i32(t1, o->in2, t1, get_mem_index(s), MO_UB);

Better as tcg_gen_atomic_xchg_i32.


r~
diff mbox

Patch

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index f818437069..0f70acea5c 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -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)
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 850df26ce1..1e16f3d1f7 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4126,6 +4126,16 @@  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_fetch_or_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));