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-rw-r--r--target/arm/sve.decode12
-rw-r--r--target/arm/translate-sve.c27
2 files changed, 39 insertions, 0 deletions
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 4f9f64f5ab..9d5c061165 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -84,6 +84,9 @@
# One register operand, with governing predicate, vector element size
@rd_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 &rpr_esz
+# Two register operands with a 6-bit signed immediate.
+@rd_rn_i6 ........ ... rn:5 ..... imm:s6 rd:5 &rri
+
# Two register operand, one immediate operand, with predicate,
# element size encoded as TSZHL. User must fill in imm.
@rdn_pg_tszimm ........ .. ... ... ... pg:3 ..... rd:5 \
@@ -238,6 +241,15 @@ INDEX_ri 00000100 esz:2 1 imm:s5 010001 rn:5 rd:5
# SVE index generation (register start, register increment)
INDEX_rr 00000100 .. 1 ..... 010011 ..... ..... @rd_rn_rm
+### SVE Stack Allocation Group
+
+# SVE stack frame adjustment
+ADDVL 00000100 001 ..... 01010 ...... ..... @rd_rn_i6
+ADDPL 00000100 011 ..... 01010 ...... ..... @rd_rn_i6
+
+# SVE stack frame size
+RDVL 00000100 101 11111 01010 imm:s6 rd:5
+
### SVE Predicate Logical Operations Group
# SVE predicate logical operations
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index e3a8e9506e..f95efa3c72 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -782,6 +782,33 @@ static bool trans_INDEX_rr(DisasContext *s, arg_INDEX_rr *a, uint32_t insn)
}
/*
+ *** SVE Stack Allocation Group
+ */
+
+static bool trans_ADDVL(DisasContext *s, arg_ADDVL *a, uint32_t insn)
+{
+ TCGv_i64 rd = cpu_reg_sp(s, a->rd);
+ TCGv_i64 rn = cpu_reg_sp(s, a->rn);
+ tcg_gen_addi_i64(rd, rn, a->imm * vec_full_reg_size(s));
+ return true;
+}
+
+static bool trans_ADDPL(DisasContext *s, arg_ADDPL *a, uint32_t insn)
+{
+ TCGv_i64 rd = cpu_reg_sp(s, a->rd);
+ TCGv_i64 rn = cpu_reg_sp(s, a->rn);
+ tcg_gen_addi_i64(rd, rn, a->imm * pred_full_reg_size(s));
+ return true;
+}
+
+static bool trans_RDVL(DisasContext *s, arg_RDVL *a, uint32_t insn)
+{
+ TCGv_i64 reg = cpu_reg(s, a->rd);
+ tcg_gen_movi_i64(reg, a->imm * vec_full_reg_size(s));
+ return true;
+}
+
+/*
*** SVE Predicate Logical Operations Group
*/