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[Qemu-devel] [PATCH v1 11/23] s390x/tcg: Implement VECTOR FP DIVIDE
From: |
David Hildenbrand |
Subject: |
[Qemu-devel] [PATCH v1 11/23] s390x/tcg: Implement VECTOR FP DIVIDE |
Date: |
Fri, 31 May 2019 12:44:20 +0200 |
We can reuse most of the infrastructure added for VECTOR FP ADD.
Signed-off-by: David Hildenbrand <address@hidden>
---
target/s390x/helper.h | 2 ++
target/s390x/insn-data.def | 2 ++
target/s390x/translate_vx.inc.c | 3 +++
target/s390x/vec_fpu_helper.c | 17 +++++++++++++++++
4 files changed, 24 insertions(+)
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 9b9062970a..238bfa2509 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -274,6 +274,8 @@ DEF_HELPER_FLAGS_4(gvec_vcgd64, TCG_CALL_NO_WG, void, ptr,
cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vcgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vclgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vclgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_5(gvec_vfd64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
+DEF_HELPER_FLAGS_5(gvec_vfd64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env,
i32)
#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 ed8b888d59..f9830deace 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1226,6 +1226,8 @@
F(0xe7c2, VCGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC)
/* VECTOR FP CONVERT TO LOGICAL 64-BIT */
F(0xe7c0, VCLGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC)
+/* VECTOR FP DIVIDE */
+ F(0xe7e5, VFD, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */
diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c
index 0395d69968..9e55d4488b 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -2560,6 +2560,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o)
case 0xe3:
fn = se ? gen_helper_gvec_vfa64s : gen_helper_gvec_vfa64;
break;
+ case 0xe5:
+ fn = se ? gen_helper_gvec_vfd64s : gen_helper_gvec_vfd64;
+ break;
default:
g_assert_not_reached();
}
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index 92a2c04952..2c085a8849 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -372,3 +372,20 @@ void HELPER(gvec_vclgd64s)(void *v1, const void *v2,
CPUS390XState *env,
vop64_2(v1, v2, env, true, XxC, erm, vclgd64, GETPC());
}
+
+static uint64_t vfd64(uint64_t a, uint64_t b, float_status *s)
+{
+ return float64_val(float64_div(make_float64(a), make_float64(b), s));
+}
+
+void HELPER(gvec_vfd64)(void *v1, const void *v2, const void *v3,
+ CPUS390XState *env, uint32_t desc)
+{
+ vop64_3(v1, v2, v3, env, false, vfd64, GETPC());
+}
+
+void HELPER(gvec_vfd64s)(void *v1, const void *v2, const void *v3,
+ CPUS390XState *env, uint32_t desc)
+{
+ vop64_3(v1, v2, v3, env, true, vfd64, GETPC());
+}
--
2.20.1
- Re: [Qemu-devel] [PATCH v1 04/23] s390x/tcg: Implement VECTOR FP ADD, (continued)
- [Qemu-devel] [PATCH v1 10/23] s390x/tcg: Implement VECTOR FP CONVERT TO LOGICAL 64-BIT, David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 05/23] s390x/tcg: Implement VECTOR FP COMPARE (AND SIGNAL) SCALAR, David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 06/23] s390x/tcg: Implement VECTOR FP COMPARE (EQUAL|HIGH|HIGH OR EQUAL), David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 11/23] s390x/tcg: Implement VECTOR FP DIVIDE,
David Hildenbrand <=
- [Qemu-devel] [PATCH v1 12/23] s390x/tcg: Implement VECTOR LOAD FP INTEGER, David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 13/23] s390x/tcg: Implement VECTOR LOAD LENGTHENED, David Hildenbrand, 2019/05/31
[Qemu-devel] [PATCH v1 14/23] s390x/tcg: Implement VECTOR LOAD ROUNDED, David Hildenbrand, 2019/05/31