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[Qemu-devel] [PATCH v1 19/23] s390x/tcg: Implement VECTOR FP SUBTRACT
From: |
David Hildenbrand |
Subject: |
[Qemu-devel] [PATCH v1 19/23] s390x/tcg: Implement VECTOR FP SUBTRACT |
Date: |
Fri, 31 May 2019 12:44:28 +0200 |
Similar to 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 23b37af1e4..c788fc1b7f 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -290,6 +290,8 @@ DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr,
cptr, cptr, cptr, env
DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr,
env, i32)
DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfsq64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_5(gvec_vfs64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
+DEF_HELPER_FLAGS_5(gvec_vfs64s, 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 354252d57c..4426f40250 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1244,6 +1244,8 @@
F(0xe7cc, VFPSO, VRR_a, V, 0, 0, 0, 0, vfpso, 0, IF_VEC)
/* VECTOR FP SQUARE ROOT */
F(0xe7ce, VFSQ, VRR_a, V, 0, 0, 0, 0, vfsq, 0, IF_VEC)
+/* VECTOR FP SUBTRACT */
+ F(0xe7e2, VFS, 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 48b4e6008c..bc75a147b6 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -2566,6 +2566,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o)
case 0xe7:
fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64;
break;
+ case 0xe2:
+ fn = se ? gen_helper_gvec_vfs64s : gen_helper_gvec_vfs64;
+ break;
default:
g_assert_not_reached();
}
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index a78c9dccdc..10249c5105 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -586,3 +586,20 @@ void HELPER(gvec_vfsq64s)(void *v1, const void *v2,
CPUS390XState *env,
{
vop64_2(v1, v2, env, true, false, 0, vfsq64, GETPC());
}
+
+static uint64_t vfs64(uint64_t a, uint64_t b, float_status *s)
+{
+ return float64_val(float64_sub(make_float64(a), make_float64(b), s));
+}
+
+void HELPER(gvec_vfs64)(void *v1, const void *v2, const void *v3,
+ CPUS390XState *env, uint32_t desc)
+{
+ vop64_3(v1, v2, v3, env, false, vfs64, GETPC());
+}
+
+void HELPER(gvec_vfs64s)(void *v1, const void *v2, const void *v3,
+ CPUS390XState *env, uint32_t desc)
+{
+ vop64_3(v1, v2, v3, env, true, vfs64, GETPC());
+}
--
2.20.1
- [Qemu-devel] [PATCH v1 15/23] s390x/tcg: Implement VECTOR FP MULTIPLY, (continued)
- [Qemu-devel] [PATCH v1 15/23] s390x/tcg: Implement VECTOR FP MULTIPLY, David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 16/23] s390x/tcg: Implement VECTOR FP MULTIPLY AND (ADD|SUBTRACT), David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 17/23] s390x/tcg: Implement VECTOR FP PERFORM SIGN OPERATION, David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 18/23] s390x/tcg: Implement VECTOR FP SQUARE ROOT, David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 19/23] s390x/tcg: Implement VECTOR FP SUBTRACT,
David Hildenbrand <=
- [Qemu-devel] [PATCH v1 20/23] s390x/tcg: Implement VECTOR FP TEST DATA CLASS IMMEDIATE, David Hildenbrand, 2019/05/31
- [Qemu-devel] [PATCH v1 23/23] s390x: Bump the "qemu" CPU model up to a stripped-down z13, David Hildenbrand, 2019/05/31
[Qemu-devel] [PATCH v1 22/23] s390x/tcg: We support the Vector Facility, David Hildenbrand, 2019/05/31