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[Qemu-devel] [PATCH v3 08/32] s390x/tcg: Implement VECTOR LOAD AND REPLI
From: |
David Hildenbrand |
Subject: |
[Qemu-devel] [PATCH v3 08/32] s390x/tcg: Implement VECTOR LOAD AND REPLICATE |
Date: |
Thu, 7 Mar 2019 13:15:15 +0100 |
We can use tcg_gen_gvec_dup_i64() to carry out the duplication.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: David Hildenbrand <address@hidden>
---
target/s390x/insn-data.def | 2 ++
target/s390x/translate_vx.inc.c | 19 +++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index f129e51d41..7be8977989 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -984,6 +984,8 @@
/* VECTOR LOAD */
F(0xe706, VL, VRX, V, la2, 0, 0, 0, vl, 0, IF_VEC)
F(0xe756, VLR, VRR_a, V, 0, 0, 0, 0, vlr, 0, IF_VEC)
+/* VECTOR LOAD AND REPLICATE */
+ F(0xe705, VLREP, VRX, V, la2, 0, 0, 0, vlrep, 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 9063784a76..ede4cc4f6d 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -113,6 +113,8 @@ static void write_vec_element_i64(TCGv_i64 src, int reg,
uint8_t enr,
}
}
+#define gen_gvec_dup_i64(es, v1, c) \
+ tcg_gen_gvec_dup_i64(es, vec_full_reg_offset(v1), 16, 16, c)
#define gen_gvec_mov(v1, v2) \
tcg_gen_gvec_mov(0, vec_full_reg_offset(v1), vec_full_reg_offset(v2), 16, \
16)
@@ -243,3 +245,20 @@ static DisasJumpType op_vlr(DisasContext *s, DisasOps *o)
gen_gvec_mov(get_field(s->fields, v1), get_field(s->fields, v2));
return DISAS_NEXT;
}
+
+static DisasJumpType op_vlrep(DisasContext *s, DisasOps *o)
+{
+ const uint8_t es = get_field(s->fields, m3);
+ TCGv_i64 tmp;
+
+ if (es > ES_64) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return DISAS_NORETURN;
+ }
+
+ tmp = tcg_temp_new_i64();
+ tcg_gen_qemu_ld_i64(tmp, o->addr1, get_mem_index(s), MO_TE | es);
+ gen_gvec_dup_i64(es, get_field(s->fields, v1), tmp);
+ tcg_temp_free_i64(tmp);
+ return DISAS_NEXT;
+}
--
2.17.2
- [Qemu-devel] [PATCH v3 00/32] s390x/tcg: Vector Instruction Support Part 1, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 02/32] s390x/tcg: Check vector register instructions at central point, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 01/32] s390x/tcg: Define vector instruction formats, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 04/32] s390x/tcg: Implement VECTOR GATHER ELEMENT, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 03/32] s390x/tcg: Utilities for vector instruction helpers, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 05/32] s390x/tcg: Implement VECTOR GENERATE BYTE MASK, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 07/32] s390x/tcg: Implement VECTOR LOAD, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 08/32] s390x/tcg: Implement VECTOR LOAD AND REPLICATE,
David Hildenbrand <=
- [Qemu-devel] [PATCH v3 09/32] s390x/tcg: Implement VECTOR LOAD ELEMENT, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 06/32] s390x/tcg: Implement VECTOR GENERATE MASK, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 10/32] s390x/tcg: Implement VECTOR LOAD ELEMENT IMMEDIATE, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 13/32] s390x/tcg: Implement VECTOR LOAD MULTIPLE, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 14/32] s390x/tcg: Implement VECTOR LOAD TO BLOCK BOUNDARY, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 11/32] s390x/tcg: Implement VECTOR LOAD GR FROM VR ELEMENT, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 12/32] s390x/tcg: Implement VECTOR LOAD LOGICAL ELEMENT AND ZERO, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 16/32] s390x/tcg: Implement VECTOR LOAD VR FROM GRS DISJOINT, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 17/32] s390x/tcg: Implement VECTOR LOAD WITH LENGTH, David Hildenbrand, 2019/03/07
- [Qemu-devel] [PATCH v3 15/32] s390x/tcg: Implement VECTOR LOAD VR ELEMENT FROM GR, David Hildenbrand, 2019/03/07