[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v2 11/29] target/s390x: implement MOVE NUMERICS
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 11/29] target/s390x: implement MOVE NUMERICS |
Date: |
Mon, 29 May 2017 21:24:22 +0200 |
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
target/s390x/helper.h | 1 +
target/s390x/insn-data.def | 2 ++
target/s390x/mem_helper.c | 13 +++++++++++++
target/s390x/translate.c | 8 ++++++++
4 files changed, 24 insertions(+)
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 26a7abe4b4..a377997df5 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -13,6 +13,7 @@ DEF_HELPER_FLAGS_3(divs64, TCG_CALL_NO_WG, s64, env, s64, s64)
DEF_HELPER_FLAGS_4(divu64, TCG_CALL_NO_WG, i64, env, i64, i64, i64)
DEF_HELPER_4(srst, i64, env, i64, i64, i64)
DEF_HELPER_4(clst, i64, env, i64, i64, i64)
+DEF_HELPER_FLAGS_4(mvn, TCG_CALL_NO_WG, void, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(mvpg, TCG_CALL_NO_WG, i32, env, i64, i64, i64)
DEF_HELPER_4(mvst, i64, env, i64, i64, i64)
DEF_HELPER_4(ex, void, env, i32, i64, i64)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index c8f77611ab..6af717648c 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -578,6 +578,8 @@
C(0x0e00, MVCL, RR_a, Z, 0, 0, 0, 0, mvcl, 0)
/* MOVE LONG EXTENDED */
C(0xa800, MVCLE, RS_a, Z, 0, a2, 0, 0, mvcle, 0)
+/* MOVE NUMERICS */
+ C(0xd100, MVN, SS_a, Z, la1, a2, 0, 0, mvn, 0)
/* MOVE PAGE */
C(0xb254, MVPG, RRE, Z, r1_o, r2_o, 0, 0, mvpg, 0)
/* MOVE STRING */
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index eacd2bc794..4fb6ff29c3 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -243,6 +243,19 @@ void HELPER(mvcin)(CPUS390XState *env, uint32_t l,
uint64_t dest, uint64_t src)
}
}
+/* move numerics */
+void HELPER(mvn)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src)
+{
+ uintptr_t ra = GETPC();
+ int i;
+
+ for (i = 0; i <= l; i++) {
+ uint8_t v = cpu_ldub_data_ra(env, dest + i, ra) & 0xf0;
+ v |= cpu_ldub_data_ra(env, src + i, ra) & 0x0f;
+ cpu_stb_data_ra(env, dest + i, v, ra);
+ }
+}
+
/* compare unsigned byte arrays */
static uint32_t do_helper_clc(CPUS390XState *env, uint32_t l, uint64_t s1,
uint64_t s2, uintptr_t ra)
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 61373df29e..4e7211203a 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -2990,6 +2990,14 @@ static ExitStatus op_mvcs(DisasContext *s, DisasOps *o)
}
#endif
+static ExitStatus op_mvn(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ gen_helper_mvn(cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ return NO_EXIT;
+}
+
static ExitStatus op_mvpg(DisasContext *s, DisasOps *o)
{
gen_helper_mvpg(cc_op, cpu_env, regs[0], o->in1, o->in2);
--
2.11.0
- Re: [Qemu-devel] [PATCH v2 17/29] target/s390x: fix COMPARE LOGICAL LONG EXTENDED, (continued)
- [Qemu-devel] [PATCH v2 10/29] target/s390x: implement MOVE INVERSE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 20/29] target/s390x: improve MOVE LONG and MOVE LONG EXTENDED, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 11/29] target/s390x: implement MOVE NUMERICS,
Aurelien Jarno <=
- [Qemu-devel] [PATCH v2 28/29] target/s390x: implement TRANSLATE ONE/TWO TO ONE/TWO, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 13/29] target/s390x: implement MOVE ZONES, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 02/29] target/s390x: remove some Linux assumptions from IPTE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 27/29] target/s390x: implement TEST DECIMAL, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 25/29] target/s390x: implement UNPACK ASCII, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 21/29] target/s390x: implement COMPARE LOGICAL LONG UNICODE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 23/29] target/s390x: implement PACK ASCII, Aurelien Jarno, 2017/05/29