Concat 16-bit elements from source register to 32-bit element
in destination register.
Signed-off-by: LIU Zhiwei <zhiwei_...@c-sky.com>
Acked-by: Alistair Francis <alistair.fran...@wdc.com>
---
target/riscv/helper.h | 5 +++
target/riscv/insn32.decode | 5 +++
target/riscv/insn_trans/trans_rvp.c.inc | 9 +++++
target/riscv/packed_helper.c | 45 +++++++++++++++++++++++++
4 files changed, 64 insertions(+)
diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 9fd2a70f7d..9872f5efbd 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1266,3 +1266,8 @@ DEF_HELPER_2(zunpkd820, tl, env, tl)
DEF_HELPER_2(zunpkd830, tl, env, tl)
DEF_HELPER_2(zunpkd831, tl, env, tl)
DEF_HELPER_2(zunpkd832, tl, env, tl)
+
+DEF_HELPER_3(pkbb16, tl, env, tl, tl)
+DEF_HELPER_3(pkbt16, tl, env, tl, tl)
+DEF_HELPER_3(pktt16, tl, env, tl, tl)
+DEF_HELPER_3(pktb16, tl, env, tl, tl)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 9b8ea0f9ab..0b6830c76e 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -869,3 +869,8 @@ zunpkd820 1010110 01101 ..... 000 ..... 1110111 @r2
zunpkd830 1010110 01110 ..... 000 ..... 1110111 @r2
zunpkd831 1010110 01111 ..... 000 ..... 1110111 @r2
zunpkd832 1010110 10111 ..... 000 ..... 1110111 @r2
+
+pkbb16 0000111 ..... ..... 001 ..... 1110111 @r
+pkbt16 0001111 ..... ..... 001 ..... 1110111 @r
+pktt16 0010111 ..... ..... 001 ..... 1110111 @r
+pktb16 0011111 ..... ..... 001 ..... 1110111 @r
diff --git a/target/riscv/insn_trans/trans_rvp.c.inc
b/target/riscv/insn_trans/trans_rvp.c.inc
index 5af2c7c2cc..b5bd8b1406 100644
--- a/target/riscv/insn_trans/trans_rvp.c.inc
+++ b/target/riscv/insn_trans/trans_rvp.c.inc
@@ -360,3 +360,12 @@ GEN_RVP_R2_OOL(zunpkd820);
GEN_RVP_R2_OOL(zunpkd830);
GEN_RVP_R2_OOL(zunpkd831);
GEN_RVP_R2_OOL(zunpkd832);
+
+/*
+ *** Partial-SIMD Data Processing Instruction
+ */
+/* 16-bit Packing Instructions */
+GEN_RVP_R_OOL(pkbb16);
+GEN_RVP_R_OOL(pkbt16);
+GEN_RVP_R_OOL(pktt16);
+GEN_RVP_R_OOL(pktb16);
diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
index 8226dbd079..f6cea654b2 100644
--- a/target/riscv/packed_helper.c
+++ b/target/riscv/packed_helper.c
@@ -1314,3 +1314,48 @@ do_zunpkd832(CPURISCVState *env, void *vd, void *va,
uint8_t i)
}
RVPR2(zunpkd832, 4, 1);
+
+/*
+ *** Partial-SIMD Data Processing Instructions
+ */
+
+/* 16-bit Packing Instructions */
+static inline void do_pkbb16(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ uint16_t *d = vd, *a = va, *b = vb;
+ d[H2(i + 1)] = a[H2(i)];
+ d[H2(i)] = b[H2(i)];
+}
+
+RVPR(pkbb16, 2, 2);
+
+static inline void do_pkbt16(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ uint16_t *d = vd, *a = va, *b = vb;
+ d[H2(i + 1)] = a[H2(i)];
+ d[H2(i)] = b[H2(i + 1)];
+}
+
+RVPR(pkbt16, 2, 2);
+
+static inline void do_pktt16(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ uint16_t *d = vd, *a = va, *b = vb;
+ d[H2(i + 1)] = a[H2(i + 1)];
+ d[H2(i)] = b[H2(i + 1)];
+}
+
+RVPR(pktt16, 2, 2);
+
+static inline void do_pktb16(CPURISCVState *env, void *vd, void *va,
+ void *vb, uint8_t i)
+{
+ uint16_t *d = vd, *a = va, *b = vb;
+ d[H2(i + 1)] = a[H2(i + 1)];
+ d[H2(i)] = b[H2(i)];
+}
+
+RVPR(pktb16, 2, 2);
--
2.25.1
