This patch includes:
- XVSADD.{B/H/W/D}[U];
- XVSSUB.{B/H/W/D}[U].

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/loongarch/insns.decode               | 18 ++++++++++++++++++
 target/loongarch/disas.c                    | 17 +++++++++++++++++
 target/loongarch/insn_trans/trans_vec.c.inc | 17 +++++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode
index 759172628f..32f857ff7c 100644
--- a/target/loongarch/insns.decode
+++ b/target/loongarch/insns.decode
@@ -1325,6 +1325,24 @@ xvneg_h          0111 01101001 11000 01101 ..... .....    @vv
 xvneg_w          0111 01101001 11000 01110 ..... .....    @vv
 xvneg_d          0111 01101001 11000 01111 ..... .....    @vv
 
+xvsadd_b         0111 01000100 01100 ..... ..... .....    @vvv
+xvsadd_h         0111 01000100 01101 ..... ..... .....    @vvv
+xvsadd_w         0111 01000100 01110 ..... ..... .....    @vvv
+xvsadd_d         0111 01000100 01111 ..... ..... .....    @vvv
+xvsadd_bu        0111 01000100 10100 ..... ..... .....    @vvv
+xvsadd_hu        0111 01000100 10101 ..... ..... .....    @vvv
+xvsadd_wu        0111 01000100 10110 ..... ..... .....    @vvv
+xvsadd_du        0111 01000100 10111 ..... ..... .....    @vvv
+
+xvssub_b         0111 01000100 10000 ..... ..... .....    @vvv
+xvssub_h         0111 01000100 10001 ..... ..... .....    @vvv
+xvssub_w         0111 01000100 10010 ..... ..... .....    @vvv
+xvssub_d         0111 01000100 10011 ..... ..... .....    @vvv
+xvssub_bu        0111 01000100 11000 ..... ..... .....    @vvv
+xvssub_hu        0111 01000100 11001 ..... ..... .....    @vvv
+xvssub_wu        0111 01000100 11010 ..... ..... .....    @vvv
+xvssub_du        0111 01000100 11011 ..... ..... .....    @vvv
+
 xvreplgr2vr_b    0111 01101001 11110 00000 ..... .....    @vr
 xvreplgr2vr_h    0111 01101001 11110 00001 ..... .....    @vr
 xvreplgr2vr_w    0111 01101001 11110 00010 ..... .....    @vr
diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c
index a7455840a0..4ba4fbfc64 100644
--- a/target/loongarch/disas.c
+++ b/target/loongarch/disas.c
@@ -1748,6 +1748,23 @@ INSN_LASX(xvneg_h,           vv)
 INSN_LASX(xvneg_w,           vv)
 INSN_LASX(xvneg_d,           vv)
 
+INSN_LASX(xvsadd_b,          vvv)
+INSN_LASX(xvsadd_h,          vvv)
+INSN_LASX(xvsadd_w,          vvv)
+INSN_LASX(xvsadd_d,          vvv)
+INSN_LASX(xvsadd_bu,         vvv)
+INSN_LASX(xvsadd_hu,         vvv)
+INSN_LASX(xvsadd_wu,         vvv)
+INSN_LASX(xvsadd_du,         vvv)
+INSN_LASX(xvssub_b,          vvv)
+INSN_LASX(xvssub_h,          vvv)
+INSN_LASX(xvssub_w,          vvv)
+INSN_LASX(xvssub_d,          vvv)
+INSN_LASX(xvssub_bu,         vvv)
+INSN_LASX(xvssub_hu,         vvv)
+INSN_LASX(xvssub_wu,         vvv)
+INSN_LASX(xvssub_du,         vvv)
+
 INSN_LASX(xvreplgr2vr_b,     vr)
 INSN_LASX(xvreplgr2vr_h,     vr)
 INSN_LASX(xvreplgr2vr_w,     vr)
diff --git a/target/loongarch/insn_trans/trans_vec.c.inc b/target/loongarch/insn_trans/trans_vec.c.inc
index 7230181071..fd18f4cef7 100644
--- a/target/loongarch/insn_trans/trans_vec.c.inc
+++ b/target/loongarch/insn_trans/trans_vec.c.inc
@@ -431,6 +431,23 @@ TRANS(vssub_hu, LSX, gvec_vvv, MO_16, tcg_gen_gvec_ussub)
 TRANS(vssub_wu, LSX, gvec_vvv, MO_32, tcg_gen_gvec_ussub)
 TRANS(vssub_du, LSX, gvec_vvv, MO_64, tcg_gen_gvec_ussub)
 
+TRANS(xvsadd_b, LASX, gvec_xxx, MO_8, tcg_gen_gvec_ssadd)
+TRANS(xvsadd_h, LASX, gvec_xxx, MO_16, tcg_gen_gvec_ssadd)
+TRANS(xvsadd_w, LASX, gvec_xxx, MO_32, tcg_gen_gvec_ssadd)
+TRANS(xvsadd_d, LASX, gvec_xxx, MO_64, tcg_gen_gvec_ssadd)
+TRANS(xvsadd_bu, LASX, gvec_xxx, MO_8, tcg_gen_gvec_usadd)
+TRANS(xvsadd_hu, LASX, gvec_xxx, MO_16, tcg_gen_gvec_usadd)
+TRANS(xvsadd_wu, LASX, gvec_xxx, MO_32, tcg_gen_gvec_usadd)
+TRANS(xvsadd_du, LASX, gvec_xxx, MO_64, tcg_gen_gvec_usadd)
+TRANS(xvssub_b, LASX, gvec_xxx, MO_8, tcg_gen_gvec_sssub)
+TRANS(xvssub_h, LASX, gvec_xxx, MO_16, tcg_gen_gvec_sssub)
+TRANS(xvssub_w, LASX, gvec_xxx, MO_32, tcg_gen_gvec_sssub)
+TRANS(xvssub_d, LASX, gvec_xxx, MO_64, tcg_gen_gvec_sssub)
+TRANS(xvssub_bu, LASX, gvec_xxx, MO_8, tcg_gen_gvec_ussub)
+TRANS(xvssub_hu, LASX, gvec_xxx, MO_16, tcg_gen_gvec_ussub)
+TRANS(xvssub_wu, LASX, gvec_xxx, MO_32, tcg_gen_gvec_ussub)
+TRANS(xvssub_du, LASX, gvec_xxx, MO_64, tcg_gen_gvec_ussub)
+
 TRANS(vhaddw_h_b, LSX, gen_vvv, gen_helper_vhaddw_h_b)
 TRANS(vhaddw_w_h, LSX, gen_vvv, gen_helper_vhaddw_w_h)
 TRANS(vhaddw_d_w, LSX, gen_vvv, gen_helper_vhaddw_d_w)
-- 
2.39.1