Signed-off-by: LIU Zhiwei <zhiwei_...@c-sky.com>
---
target/riscv/helper.h | 12 +++
target/riscv/insn32.decode | 12 +++
target/riscv/insn_trans/trans_rvp.c.inc | 13 +++
target/riscv/packed_helper.c | 115 ++++++++++++++++++++++++
4 files changed, 152 insertions(+)
diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 866484e37d..83778b532a 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1240,3 +1240,15 @@ DEF_HELPER_2(clrs16, tl, env, tl)
DEF_HELPER_2(clz16, tl, env, tl)
DEF_HELPER_2(clo16, tl, env, tl)
DEF_HELPER_2(swap16, tl, env, tl)
+
+DEF_HELPER_3(smin8, tl, env, tl, tl)
+DEF_HELPER_3(umin8, tl, env, tl, tl)
+DEF_HELPER_3(smax8, tl, env, tl, tl)
+DEF_HELPER_3(umax8, tl, env, tl, tl)
+DEF_HELPER_3(sclip8, tl, env, tl, tl)
+DEF_HELPER_3(uclip8, tl, env, tl, tl)
+DEF_HELPER_2(kabs8, tl, env, tl)
+DEF_HELPER_2(clrs8, tl, env, tl)
+DEF_HELPER_2(clz8, tl, env, tl)
+DEF_HELPER_2(clo8, tl, env, tl)
+DEF_HELPER_2(swap8, tl, env, tl)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index bc9d5fc967..e158066353 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -708,3 +708,15 @@ clrs16 1010111 01000 ..... 000 ..... 1111111 @r2
clz16 1010111 01001 ..... 000 ..... 1111111 @r2
clo16 1010111 01011 ..... 000 ..... 1111111 @r2
swap16 1010110 11001 ..... 000 ..... 1111111 @r2
+
+smin8 1000100 ..... ..... 000 ..... 1111111 @r
+umin8 1001100 ..... ..... 000 ..... 1111111 @r
+smax8 1000101 ..... ..... 000 ..... 1111111 @r
+umax8 1001101 ..... ..... 000 ..... 1111111 @r
+sclip8 1000110 00... ..... 000 ..... 1111111 @sh3
+uclip8 1000110 10... ..... 000 ..... 1111111 @sh3
+kabs8 1010110 10000 ..... 000 ..... 1111111 @r2
+clrs8 1010111 00000 ..... 000 ..... 1111111 @r2
+clz8 1010111 00001 ..... 000 ..... 1111111 @r2
+clo8 1010111 00011 ..... 000 ..... 1111111 @r2
+swap8 1010110 11000 ..... 000 ..... 1111111 @r2
diff --git a/target/riscv/insn_trans/trans_rvp.c.inc
b/target/riscv/insn_trans/trans_rvp.c.inc
index 56fb8b2523..5ad057d7ac 100644
--- a/target/riscv/insn_trans/trans_rvp.c.inc
+++ b/target/riscv/insn_trans/trans_rvp.c.inc
@@ -486,3 +486,16 @@ GEN_RVP_R2_OOL(clrs16);
GEN_RVP_R2_OOL(clz16);
GEN_RVP_R2_OOL(clo16);
GEN_RVP_R2_OOL(swap16);
+
+/* SIMD 8-bit Miscellaneous Instructions */
+GEN_RVP_R_OOL(smin8);
+GEN_RVP_R_OOL(umin8);
+GEN_RVP_R_OOL(smax8);
+GEN_RVP_R_OOL(umax8);
+GEN_RVP_SHIFTI(sclip8, sclip8, NULL);
+GEN_RVP_SHIFTI(uclip8, uclip8, NULL);
+GEN_RVP_R2_OOL(kabs8);
+GEN_RVP_R2_OOL(clrs8);
+GEN_RVP_R2_OOL(clz8);
+GEN_RVP_R2_OOL(clo8);
+GEN_RVP_R2_OOL(swap8);
diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
index a6ab011ace..be91d308e5 100644
--- a/target/riscv/packed_helper.c
+++ b/target/riscv/packed_helper.c
@@ -1087,3 +1087,118 @@ static inline void do_swap16(CPURISCVState *env, void
*vd, void *va, uint8_t i)
}
RVPR2(swap16, 2, 2);
+
+/* SIMD 8-bit Miscellaneous Instructions */
+static inline void do_smin8(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ int8_t *d = vd, *a = va, *b = vb;
+
+ d[i] = (a[i] < b[i]) ? a[i] : b[i];
+}
+
+RVPR(smin8, 1, 1);
+
+static inline void do_umin8(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ uint8_t *d = vd, *a = va, *b = vb;
+
+ d[i] = (a[i] < b[i]) ? a[i] : b[i];
+}
+
+RVPR(umin8, 1, 1);
+
+static inline void do_smax8(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ int8_t *d = vd, *a = va, *b = vb;
+
+ d[i] = (a[i] > b[i]) ? a[i] : b[i];
+}
+
+RVPR(smax8, 1, 1);
+
+static inline void do_umax8(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ uint8_t *d = vd, *a = va, *b = vb;
+
+ d[i] = (a[i] > b[i]) ? a[i] : b[i];
+}
+
+RVPR(umax8, 1, 1);
+
+static inline void do_sclip8(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ int8_t *d = vd, *a = va;
+ uint8_t shift = *(uint8_t *)vb & 0x7;
+
+ d[i] = sat64(env, a[i], shift);
+}
+
+RVPR(sclip8, 1, 1);
+
+static inline void do_uclip8(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ int8_t *d = vd, *a = va;
+ uint8_t shift = *(uint8_t *)vb & 0x7;
+
+ if (a[i] < 0) {
+ d[i] = 0;
+ env->vxsat = 0x1;
+ } else {
+ d[i] = satu64(env, a[i], shift);
+ }
+}
+
+RVPR(uclip8, 1, 1);
+
+static inline void do_kabs8(CPURISCVState *env, void *vd, void *va, uint8_t i)
+{
+ int8_t *d = vd, *a = va;
+
+ if (a[i] == INT8_MIN) {
+ d[i] = INT8_MAX;
+ env->vxsat = 0x1;
+ } else {
+ d[i] = abs(a[i]);
+ }
+}
+
+RVPR2(kabs8, 1, 1);
+
+static inline void do_clrs8(CPURISCVState *env, void *vd, void *va, uint8_t i)
+{
+ int8_t *d = vd, *a = va;
+ d[i] = clrsb32(a[i]) - 24;
+}
+
+RVPR2(clrs8, 1, 1);
+
+static inline void do_clz8(CPURISCVState *env, void *vd, void *va, uint8_t i)
+{
+ int8_t *d = vd, *a = va;
+ d[i] = (a[i] < 0) ? 0 : (clz32(a[i]) - 24);
+}
+
+RVPR2(clz8, 1, 1);
+
+static inline void do_clo8(CPURISCVState *env, void *vd, void *va, uint8_t i)
+{
+ int8_t *d = vd, *a = va;
+ d[i] = (a[i] >= 0) ? 0 : (clo32(a[i]) - 24);
+}
+
+RVPR2(clo8, 1, 1);
+
+static inline void do_swap8(CPURISCVState *env, void *vd, void *va, uint8_t i)
+{
+ int8_t *d = vd, *a = va;
+ d[H1(i)] = a[H1(i + 1)];
+ d[H1(i + 1)] = a[H1(i)];
+}
+
+RVPR2(swap8, 2, 1);
--
2.17.1
