[RFC PATCH v3 21/44] target/loongarch: Implement LSX logic instructions

[Song Gao]

This patch includes:
- V{AND/OR/XOR/NOR/ANDN/ORN}.V;
- V{AND/OR/XOR/NOR}I.B.

Signed-off-by: Song Gao <gaosong@loongson.cn>
---
 target/loongarch/disas.c                    | 12 +++++
 target/loongarch/helper.h                   |  2 +
 target/loongarch/insn_trans/trans_lsx.c.inc | 56 +++++++++++++++++++++
 target/loongarch/insns.decode               | 13 +++++
 target/loongarch/lsx_helper.c               | 11 ++++
 5 files changed, 94 insertions(+)

diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c
index 2725b827ee..eca0a4bb7b 100644
--- a/target/loongarch/disas.c
+++ b/target/loongarch/disas.c
@@ -1091,3 +1091,15 @@ INSN_LSX(vmskltz_w,        vv)
 INSN_LSX(vmskltz_d,        vv)
 INSN_LSX(vmskgez_b,        vv)
 INSN_LSX(vmsknz_b,         vv)
+
+INSN_LSX(vand_v,           vvv)
+INSN_LSX(vor_v,            vvv)
+INSN_LSX(vxor_v,           vvv)
+INSN_LSX(vnor_v,           vvv)
+INSN_LSX(vandn_v,          vvv)
+INSN_LSX(vorn_v,           vvv)
+
+INSN_LSX(vandi_b,          vv_i)
+INSN_LSX(vori_b,           vv_i)
+INSN_LSX(vxori_b,          vv_i)
+INSN_LSX(vnori_b,          vv_i)
diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h
index 34b7b2f576..617c579592 100644
--- a/target/loongarch/helper.h
+++ b/target/loongarch/helper.h
@@ -350,3 +350,5 @@ DEF_HELPER_3(vmskltz_w, void, env, i32, i32)
 DEF_HELPER_3(vmskltz_d, void, env, i32, i32)
 DEF_HELPER_3(vmskgez_b, void, env, i32, i32)
 DEF_HELPER_3(vmsknz_b, void, env, i32,i32)
+
+DEF_HELPER_FLAGS_4(vnori_b, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
diff --git a/target/loongarch/insn_trans/trans_lsx.c.inc 
b/target/loongarch/insn_trans/trans_lsx.c.inc
index 82d731118c..e97680bac8 100644
--- a/target/loongarch/insn_trans/trans_lsx.c.inc
+++ b/target/loongarch/insn_trans/trans_lsx.c.inc
@@ -2868,3 +2868,59 @@ TRANS(vmskltz_w, gen_vv, gen_helper_vmskltz_w)
 TRANS(vmskltz_d, gen_vv, gen_helper_vmskltz_d)
 TRANS(vmskgez_b, gen_vv, gen_helper_vmskgez_b)
 TRANS(vmsknz_b, gen_vv, gen_helper_vmsknz_b)
+
+TRANS(vand_v, gvec_vvv, MO_64, tcg_gen_gvec_and)
+TRANS(vor_v, gvec_vvv, MO_64, tcg_gen_gvec_or)
+TRANS(vxor_v, gvec_vvv, MO_64, tcg_gen_gvec_xor)
+TRANS(vnor_v, gvec_vvv, MO_64, tcg_gen_gvec_nor)
+
+static bool trans_vandn_v(DisasContext *ctx, arg_vvv *a)
+{
+    uint32_t vd_ofs, vj_ofs, vk_ofs;
+
+    CHECK_SXE;
+
+    vd_ofs = vec_full_offset(a->vd);
+    vj_ofs = vec_full_offset(a->vj);
+    vk_ofs = vec_full_offset(a->vk);
+
+    tcg_gen_gvec_andc(MO_64, vd_ofs, vk_ofs, vj_ofs, 16, ctx->vl/8);
+    return true;
+}
+TRANS(vorn_v, gvec_vvv, MO_64, tcg_gen_gvec_orc)
+TRANS(vandi_b, gvec_vv_i, MO_8, tcg_gen_gvec_andi)
+TRANS(vori_b, gvec_vv_i, MO_8, tcg_gen_gvec_ori)
+TRANS(vxori_b, gvec_vv_i, MO_8, tcg_gen_gvec_xori)
+
+static void gen_vnori(unsigned vece, TCGv_vec t, TCGv_vec a, int64_t imm)
+{
+    TCGv_vec t1;
+
+    t1 = tcg_constant_vec_matching(t, vece, imm);
+    tcg_gen_nor_vec(vece, t, a, t1);
+}
+
+static void gen_vnori_b(TCGv_i64 t, TCGv_i64 a, int64_t imm)
+{
+    tcg_gen_movi_i64(t, dup_const(MO_8, imm));
+    tcg_gen_nor_i64(t, a, t);
+}
+
+static void do_vnori_b(unsigned vece, uint32_t vd_ofs, uint32_t vj_ofs,
+                       int64_t imm, uint32_t oprsz, uint32_t maxsz)
+{
+    static const TCGOpcode vecop_list[] = {
+        INDEX_op_nor_vec, 0
+        };
+    static const GVecGen2i op = {
+       .fni8 = gen_vnori_b,
+       .fniv = gen_vnori,
+       .fnoi = gen_helper_vnori_b,
+       .opt_opc = vecop_list,
+       .vece = MO_8
+    };
+
+    tcg_gen_gvec_2i(vd_ofs, vj_ofs, oprsz, maxsz, imm, &op);
+}
+
+TRANS(vnori_b, gvec_vv_i, MO_8, do_vnori_b)
diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode
index 47c1ef78a7..6309683be9 100644
--- a/target/loongarch/insns.decode
+++ b/target/loongarch/insns.decode
@@ -503,6 +503,7 @@ dbcl             0000 00000010 10101 ...............      
@i15
 @vv_ui4         .... ........ ..... . imm:4 vj:5 vd:5    &vv_i
 @vv_ui5           .... ........ ..... imm:5 vj:5 vd:5    &vv_i
 @vv_ui6            .... ........ .... imm:6 vj:5 vd:5    &vv_i
+@vv_ui8              .... ........ .. imm:8 vj:5 vd:5    &vv_i
 @vv_i5           .... ........ ..... imm:s5 vj:5 vd:5    &vv_i
 
 vadd_b           0111 00000000 10100 ..... ..... .....    @vvv
@@ -790,3 +791,15 @@ vmskltz_w        0111 00101001 11000 10010 ..... .....    
@vv
 vmskltz_d        0111 00101001 11000 10011 ..... .....    @vv
 vmskgez_b        0111 00101001 11000 10100 ..... .....    @vv
 vmsknz_b         0111 00101001 11000 11000 ..... .....    @vv
+
+vand_v           0111 00010010 01100 ..... ..... .....    @vvv
+vor_v            0111 00010010 01101 ..... ..... .....    @vvv
+vxor_v           0111 00010010 01110 ..... ..... .....    @vvv
+vnor_v           0111 00010010 01111 ..... ..... .....    @vvv
+vandn_v          0111 00010010 10000 ..... ..... .....    @vvv
+vorn_v           0111 00010010 10001 ..... ..... .....    @vvv
+
+vandi_b          0111 00111101 00 ........ ..... .....    @vv_ui8
+vori_b           0111 00111101 01 ........ ..... .....    @vv_ui8
+vxori_b          0111 00111101 10 ........ ..... .....    @vv_ui8
+vnori_b          0111 00111101 11 ........ ..... .....    @vv_ui8
diff --git a/target/loongarch/lsx_helper.c b/target/loongarch/lsx_helper.c
index 2359c63fdf..ff00d60ab8 100644
--- a/target/loongarch/lsx_helper.c
+++ b/target/loongarch/lsx_helper.c
@@ -782,3 +782,14 @@ void HELPER(vmsknz_b)(CPULoongArchState *env, uint32_t vd, 
uint32_t vj)
     Vd->D(0) = (uint16_t)(~temp);
     Vd->D(1) = 0;
 }
+
+void HELPER(vnori_b)(void *vd, void *vj, uint64_t imm, uint32_t v)
+{
+    int i;
+    VReg *Vd = (VReg *)vd;
+    VReg *Vj = (VReg *)vj;
+
+    for (i = 0; i < LSX_LEN/8; i++) {
+        Vd->B(i) = ~(Vj->B(i) | (uint8_t)imm);
+    }
+}
-- 
2.31.1