From: Aurelien Jarno <aurel...@aurel32.net>
Signed-off-by: Aurelien Jarno <aurel...@aurel32.net>
Message-Id: <20170531220129.27724-9-aurel...@aurel32.net>
Signed-off-by: Richard Henderson <r...@twiddle.net>
---
target/s390x/helper.h | 1 +
target/s390x/insn-data.def | 2 ++
target/s390x/mem_helper.c | 12 ++++++++++++
target/s390x/translate.c | 6 ++++++
4 files changed, 21 insertions(+)
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index ca78d1b..596fec2 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -88,6 +88,7 @@ DEF_HELPER_FLAGS_1(popcnt, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(stfl, TCG_CALL_NO_RWG, void, env)
DEF_HELPER_2(stfle, i32, env, i64)
DEF_HELPER_FLAGS_2(lpq, TCG_CALL_NO_WG, i64, env, i64)
+DEF_HELPER_FLAGS_4(stpq, TCG_CALL_NO_WG, void, env, i64, i64, i64)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_3(servc, i32, env, i64, i64)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 53c86d5..5314162 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -770,6 +770,8 @@
/* STORE ACCESS MULTIPLE */
C(0x9b00, STAM, RS_a, Z, 0, a2, 0, 0, stam, 0)
C(0xeb9b, STAMY, RSY_a, LD, 0, a2, 0, 0, stam, 0)
+/* STORE PAIR TO QUADWORD */
+ C(0xe38e, STPQ, RXY_a, Z, 0, a2, r1_P, 0, stpq, 0)
/* SUBTRACT */
C(0x1b00, SR, RR_a, Z, r1, r2, new, r1_32, sub, subs32)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index 4f34f87..15b5f45 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -1250,6 +1250,18 @@ uint64_t HELPER(lpq)(CPUS390XState *env, uint64_t addr)
return int128_gethi(v);
}
+/* store pair to quadword */
+void HELPER(stpq)(CPUS390XState *env, uint64_t addr,
+ uint64_t low, uint64_t high)
+{
+ uintptr_t ra = GETPC();
+ int mem_idx = cpu_mmu_index(env, false);
+ TCGMemOpIdx oi = make_memop_idx(MO_TEQ | MO_ALIGN_16, mem_idx);
+
+ Int128 v = int128_make128(low, high);
+ helper_atomic_sto_be_mmu(env, addr, v, oi, ra);
+}
+
/* Execute instruction. This instruction executes an insn modified with
the contents of r1. It does not change the executed instruction in memory;
it does not change the program counter.
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index ec61590..6635877 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4019,6 +4019,12 @@ static ExitStatus op_stmh(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_stpq(DisasContext *s, DisasOps *o)
+{
+ gen_helper_stpq(cpu_env, o->in2, o->out2, o->out);
+ return NO_EXIT;
+}
+
static ExitStatus op_srst(DisasContext *s, DisasOps *o)
{
gen_helper_srst(o->in1, cpu_env, regs[0], o->in1, o->in2);
--
2.9.4
