[PATCH 33/38] target/riscv: RV64 Only 32-bit Multiply Instructions

[LIU Zhiwei]

Signed-off-by: LIU Zhiwei <zhiwei_...@c-sky.com>
---
 target/riscv/helper.h                   |  3 +++
 target/riscv/insn32-64.decode           |  3 +++
 target/riscv/insn_trans/trans_rvp.c.inc |  4 ++++
 target/riscv/packed_helper.c            | 19 +++++++++++++++++++
 4 files changed, 29 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index f8521a5388..198b010601 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1450,4 +1450,7 @@ DEF_HELPER_3(kdmtt16, tl, env, tl, tl)
 DEF_HELPER_4(kdmabb16, tl, env, tl, tl, tl)
 DEF_HELPER_4(kdmabt16, tl, env, tl, tl, tl)
 DEF_HELPER_4(kdmatt16, tl, env, tl, tl, tl)
+
+DEF_HELPER_3(smbt32, tl, env, tl, tl)
+DEF_HELPER_3(smtt32, tl, env, tl, tl)
 #endif
diff --git a/target/riscv/insn32-64.decode b/target/riscv/insn32-64.decode
index 2e1c1817e4..46a4e5d080 100644
--- a/target/riscv/insn32-64.decode
+++ b/target/riscv/insn32-64.decode
@@ -145,3 +145,6 @@ kdmtt16    1111101  ..... ..... 001 ..... 1111111 @r
 kdmabb16   1101100  ..... ..... 001 ..... 1111111 @r
 kdmabt16   1110100  ..... ..... 001 ..... 1111111 @r
 kdmatt16   1111100  ..... ..... 001 ..... 1111111 @r
+
+smbt32     0001100  ..... ..... 010 ..... 1111111 @r
+smtt32     0010100  ..... ..... 010 ..... 1111111 @r
diff --git a/target/riscv/insn_trans/trans_rvp.c.inc 
b/target/riscv/insn_trans/trans_rvp.c.inc
index 2b4418abd8..33435c3a9e 100644
--- a/target/riscv/insn_trans/trans_rvp.c.inc
+++ b/target/riscv/insn_trans/trans_rvp.c.inc
@@ -1190,4 +1190,8 @@ GEN_RVP_R_OOL(kdmtt16);
 GEN_RVP_R_ACC_OOL(kdmabb16);
 GEN_RVP_R_ACC_OOL(kdmabt16);
 GEN_RVP_R_ACC_OOL(kdmatt16);
+
+/* (RV64 Only) 32-bit Multiply Instructions */
+GEN_RVP_R_OOL(smbt32);
+GEN_RVP_R_OOL(smtt32);
 #endif
diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
index 5636848aaf..11b41637a1 100644
--- a/target/riscv/packed_helper.c
+++ b/target/riscv/packed_helper.c
@@ -3572,5 +3572,24 @@ static inline void do_kdmatt16(CPURISCVState *env, void 
*vd, void *va,
 
 RVPR_ACC(kdmatt16, 2, 2);
 
+/* (RV64 Only) 32-bit Multiply Instructions */
+static inline void do_smbt32(CPURISCVState *env, void *vd, void *va,
+                             void *vb, uint8_t i)
+{
+    int64_t *d = vd;
+    int32_t *a = va, *b = vb;
+    *d = (int64_t)a[H4(2 * i)] * b[H4(4 * i + 1)];
+}
+
+RVPR(smbt32, 1, sizeof(target_ulong));
+
+static inline void do_smtt32(CPURISCVState *env, void *vd, void *va,
+                             void *vb, uint8_t i)
+{
+    int64_t *d = vd;
+    int32_t *a = va, *b = vb;
+    *d = (int64_t)a[H4(2 * i + 1)] * b[H4(2 * i + 1)];
+}
 
+RVPR(smtt32, 1, sizeof(target_ulong));
 #endif
-- 
2.17.1