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[PATCH v4 08/11] target/s390x: vxeh2: vector {load, store} byte reversed
From: |
David Miller |
Subject: |
[PATCH v4 08/11] target/s390x: vxeh2: vector {load, store} byte reversed element |
Date: |
Mon, 21 Mar 2022 20:04:38 -0400 |
Signed-off-by: David Miller <dmiller423@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
---
target/s390x/tcg/insn-data.def | 12 ++++
target/s390x/tcg/translate_vx.c.inc | 85 +++++++++++++++++++++++++++++
2 files changed, 97 insertions(+)
diff --git a/target/s390x/tcg/insn-data.def b/target/s390x/tcg/insn-data.def
index ee6e1dc9e5..5e448bb2c4 100644
--- a/target/s390x/tcg/insn-data.def
+++ b/target/s390x/tcg/insn-data.def
@@ -1027,6 +1027,14 @@
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)
+/* VECTOR LOAD BYTE REVERSED ELEMENT */
+ E(0xe601, VLEBRH, VRX, VE2, la2, 0, 0, 0, vlebr, 0, ES_16, IF_VEC)
+ E(0xe603, VLEBRF, VRX, VE2, la2, 0, 0, 0, vlebr, 0, ES_32, IF_VEC)
+ E(0xe602, VLEBRG, VRX, VE2, la2, 0, 0, 0, vlebr, 0, ES_64, IF_VEC)
+/* VECTOR LOAD BYTE REVERSED ELEMENT AND REPLICATE */
+ F(0xe605, VLBRREP, VRX, VE2, la2, 0, 0, 0, vlbrrep, 0, IF_VEC)
+/* VECTOR LOAD BYTE REVERSED ELEMENT AND ZERO */
+ F(0xe604, VLLEBRZ, VRX, VE2, la2, 0, 0, 0, vllebrz, 0, IF_VEC)
/* VECTOR LOAD BYTE REVERSED ELEMENTS */
F(0xe606, VLBR, VRX, VE2, la2, 0, 0, 0, vlbr, 0, IF_VEC)
/* VECTOR LOAD ELEMENT */
@@ -1081,6 +1089,10 @@
F(0xe75f, VSEG, VRR_a, V, 0, 0, 0, 0, vseg, 0, IF_VEC)
/* VECTOR STORE */
F(0xe70e, VST, VRX, V, la2, 0, 0, 0, vst, 0, IF_VEC)
+/* VECTOR STORE BYTE REVERSED ELEMENT */
+ E(0xe609, VSTEBRH, VRX, VE2, la2, 0, 0, 0, vstebr, 0, ES_16, IF_VEC)
+ E(0xe60b, VSTEBRF, VRX, VE2, la2, 0, 0, 0, vstebr, 0, ES_32, IF_VEC)
+ E(0xe60a, VSTEBRG, VRX, VE2, la2, 0, 0, 0, vstebr, 0, ES_64, IF_VEC)
/* VECTOR STORE BYTE REVERSED ELEMENTS */
F(0xe60e, VSTBR, VRX, VE2, la2, 0, 0, 0, vstbr, 0, IF_VEC)
/* VECTOR STORE ELEMENT */
diff --git a/target/s390x/tcg/translate_vx.c.inc
b/target/s390x/tcg/translate_vx.c.inc
index 284ee4362c..ecf7f87c6c 100644
--- a/target/s390x/tcg/translate_vx.c.inc
+++ b/target/s390x/tcg/translate_vx.c.inc
@@ -457,6 +457,73 @@ static DisasJumpType op_vlrep(DisasContext *s, DisasOps *o)
return DISAS_NEXT;
}
+static DisasJumpType op_vlebr(DisasContext *s, DisasOps *o)
+{
+ const uint8_t es = s->insn->data;
+ const uint8_t enr = get_field(s, m3);
+ TCGv_i64 tmp;
+
+ if (!valid_vec_element(enr, es)) {
+ 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_LE | es);
+ write_vec_element_i64(tmp, get_field(s, v1), enr, es);
+ tcg_temp_free_i64(tmp);
+ return DISAS_NEXT;
+}
+
+static DisasJumpType op_vlbrrep(DisasContext *s, DisasOps *o)
+{
+ const uint8_t es = get_field(s, m3);
+ TCGv_i64 tmp;
+
+ if (es < ES_16 || 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_LE | es);
+ gen_gvec_dup_i64(es, get_field(s, v1), tmp);
+ tcg_temp_free_i64(tmp);
+ return DISAS_NEXT;
+}
+
+static DisasJumpType op_vllebrz(DisasContext *s, DisasOps *o)
+{
+ const uint8_t m3 = get_field(s, m3);
+ TCGv_i64 tmp;
+ int es, lshift;
+
+ switch (m3) {
+ case ES_16:
+ case ES_32:
+ case ES_64:
+ es = m3;
+ lshift = 0;
+ break;
+ case 6:
+ es = ES_32;
+ lshift = 32;
+ break;
+ default:
+ 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_LE | es);
+ tcg_gen_shli_i64(tmp, tmp, lshift);
+
+ write_vec_element_i64(tmp, get_field(s, v1), 0, ES_64);
+ write_vec_element_i64(tcg_constant_i64(0), get_field(s, v1), 1, ES_64);
+ tcg_temp_free_i64(tmp);
+ return DISAS_NEXT;
+}
+
static DisasJumpType op_vlbr(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s, m3);
@@ -1055,6 +1122,24 @@ static DisasJumpType op_vst(DisasContext *s, DisasOps *o)
return DISAS_NEXT;
}
+static DisasJumpType op_vstebr(DisasContext *s, DisasOps *o)
+{
+ const uint8_t es = s->insn->data;
+ const uint8_t enr = get_field(s, m3);
+ TCGv_i64 tmp;
+
+ if (!valid_vec_element(enr, es)) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return DISAS_NORETURN;
+ }
+
+ tmp = tcg_temp_new_i64();
+ read_vec_element_i64(tmp, get_field(s, v1), enr, es);
+ tcg_gen_qemu_st_i64(tmp, o->addr1, get_mem_index(s), MO_LE | es);
+ tcg_temp_free_i64(tmp);
+ return DISAS_NEXT;
+}
+
static DisasJumpType op_vstbr(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s, m3);
--
2.34.1
- Re: [PATCH v4 10/11] tests/tcg/s390x: Tests for Vector Enhancements Facility 2, (continued)
- [PATCH v4 05/11] target/s390x: vxeh2: vector shift double by bit, David Miller, 2022/03/21
- [PATCH v4 03/11] target/s390x: vxeh2: vector string search, David Miller, 2022/03/21
- [PATCH v4 07/11] target/s390x: vxeh2: vector {load, store} byte reversed elements, David Miller, 2022/03/21
- [PATCH v4 11/11] target/s390x: Fix writeback to v1 in helper_vstl, David Miller, 2022/03/21
- [PATCH v4 09/11] target/s390x: add S390_FEAT_VECTOR_ENH2 to qemu CPU model, David Miller, 2022/03/21
- [PATCH v4 08/11] target/s390x: vxeh2: vector {load, store} byte reversed element,
David Miller <=
- [PATCH v4 02/11] target/s390x: vxeh2: vector convert short/32b, David Miller, 2022/03/21
- [PATCH v4 04/11] target/s390x: vxeh2: Update for changes to vector shifts, David Miller, 2022/03/21