As we are working on byte elements, we can use i32 for element access.
Add write_vec_element_i32().
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
target/s390x/insn-data.def | 2 ++
target/s390x/translate_vx.inc.c | 39 +++++++++++++++++++++++++++++++++
2 files changed, 41 insertions(+)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 2b06cc9130..1bdfcf8130 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -977,6 +977,8 @@
/* VECTOR GATHER ELEMENT */
E(0xe713, VGEF, VRV, V, la2, 0, 0, 0, vge, 0, MO_32, IF_VEC)
E(0xe712, VGEG, VRV, V, la2, 0, 0, 0, vge, 0, MO_64, IF_VEC)
+/* VECTOR GENERATE BYTE MASK */
+ F(0xe744, VGBM, VRI_a, V, 0, 0, 0, 0, vgbm, 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 56f403e40d..7775401dd3 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -105,6 +105,26 @@ static void write_vec_element_i64(TCGv_i64 src, int reg,
uint8_t enr,
}
}
+static void write_vec_element_i32(TCGv_i32 src, int reg, uint8_t enr,
+ TCGMemOp memop)
+{
+ const int offs = vec_reg_offset(reg, enr, memop & MO_SIZE);
+
+ switch (memop) {
+ case MO_8:
+ tcg_gen_st8_i32(src, cpu_env, offs);
+ break;
+ case MO_16:
+ tcg_gen_st16_i32(src, cpu_env, offs);
+ break;
+ case MO_32:
+ tcg_gen_st_i32(src, cpu_env, offs);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+}
+
static void load_vec_element(DisasContext *s, uint8_t reg, uint8_t enr,
TCGv_i64 addr, uint8_t es)
{
@@ -136,3 +156,22 @@ static DisasJumpType op_vge(DisasContext *s, DisasOps *o)
tcg_temp_free_i64(tmp);
return DISAS_NEXT;
}
+
+static DisasJumpType op_vgbm(DisasContext *s, DisasOps *o)
+{
+ const uint16_t i2 = get_field(s->fields, i2);
+ TCGv_i32 ones = tcg_const_i32(-1u);
+ TCGv_i32 zeroes = tcg_const_i32(0);
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ if (extract32(i2, 15 - i, 1)) {
+ write_vec_element_i32(ones, get_field(s->fields, v1), i, MO_8);
+ } else {
+ write_vec_element_i32(zeroes, get_field(s->fields, v1), i, MO_8);
+ }
+ }
+ tcg_temp_free_i32(ones);
+ tcg_temp_free_i32(zeroes);
+ return DISAS_NEXT;
+}
--
2.17.2
