target/riscv: vector widening integer multiply-add instructions

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200701152549.1218-23-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

4 files changed, 83 insertions, 0 deletions

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index a65a38596b..1249ee274d 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -653,3 +653,25 @@ DEF_HELPER_6(vnmsub_vx_b, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vnmsub_vx_h, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vnmsub_vx_w, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vnmsub_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+
+DEF_HELPER_6(vwmaccu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmaccu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmaccu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmacc_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmacc_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmacc_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmaccsu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmaccsu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmaccsu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwmaccu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmacc_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmacc_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmacc_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccsu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccsu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccsu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccus_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccus_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwmaccus_vx_w, void, ptr, ptr, tl, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index f01cf14777..843c15f8fa 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -395,6 +395,13 @@ vmadd_vv        101001 . ..... ..... 010 ..... 1010111 @r_vm
 vmadd_vx        101001 . ..... ..... 110 ..... 1010111 @r_vm
 vnmsub_vv       101011 . ..... ..... 010 ..... 1010111 @r_vm
 vnmsub_vx       101011 . ..... ..... 110 ..... 1010111 @r_vm
+vwmaccu_vv      111100 . ..... ..... 010 ..... 1010111 @r_vm
+vwmaccu_vx      111100 . ..... ..... 110 ..... 1010111 @r_vm
+vwmacc_vv       111101 . ..... ..... 010 ..... 1010111 @r_vm
+vwmacc_vx       111101 . ..... ..... 110 ..... 1010111 @r_vm
+vwmaccsu_vv     111110 . ..... ..... 010 ..... 1010111 @r_vm
+vwmaccsu_vx     111110 . ..... ..... 110 ..... 1010111 @r_vm
+vwmaccus_vx     111111 . ..... ..... 110 ..... 1010111 @r_vm
 
 vsetvli         0 ........... ..... 111 ..... 1010111  @r2_zimm
 vsetvl          1000000 ..... ..... 111 ..... 1010111  @r
diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c
index 0f549f7a19..24e43c615c 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1609,3 +1609,12 @@ GEN_OPIVX_TRANS(vmacc_vx, opivx_check)
 GEN_OPIVX_TRANS(vnmsac_vx, opivx_check)
 GEN_OPIVX_TRANS(vmadd_vx, opivx_check)
 GEN_OPIVX_TRANS(vnmsub_vx, opivx_check)
+
+/* Vector Widening Integer Multiply-Add Instructions */
+GEN_OPIVV_WIDEN_TRANS(vwmaccu_vv, opivv_widen_check)
+GEN_OPIVV_WIDEN_TRANS(vwmacc_vv, opivv_widen_check)
+GEN_OPIVV_WIDEN_TRANS(vwmaccsu_vv, opivv_widen_check)
+GEN_OPIVX_WIDEN_TRANS(vwmaccu_vx)
+GEN_OPIVX_WIDEN_TRANS(vwmacc_vx)
+GEN_OPIVX_WIDEN_TRANS(vwmaccsu_vx)
+GEN_OPIVX_WIDEN_TRANS(vwmaccus_vx)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 9c31e4d75a..9dd2d5748e 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -1979,3 +1979,48 @@ GEN_VEXT_VX(vnmsub_vx_b, 1, 1, clearb)
 GEN_VEXT_VX(vnmsub_vx_h, 2, 2, clearh)
 GEN_VEXT_VX(vnmsub_vx_w, 4, 4, clearl)
 GEN_VEXT_VX(vnmsub_vx_d, 8, 8, clearq)
+
+/* Vector Widening Integer Multiply-Add Instructions */
+RVVCALL(OPIVV3, vwmaccu_vv_b, WOP_UUU_B, H2, H1, H1, DO_MACC)
+RVVCALL(OPIVV3, vwmaccu_vv_h, WOP_UUU_H, H4, H2, H2, DO_MACC)
+RVVCALL(OPIVV3, vwmaccu_vv_w, WOP_UUU_W, H8, H4, H4, DO_MACC)
+RVVCALL(OPIVV3, vwmacc_vv_b, WOP_SSS_B, H2, H1, H1, DO_MACC)
+RVVCALL(OPIVV3, vwmacc_vv_h, WOP_SSS_H, H4, H2, H2, DO_MACC)
+RVVCALL(OPIVV3, vwmacc_vv_w, WOP_SSS_W, H8, H4, H4, DO_MACC)
+RVVCALL(OPIVV3, vwmaccsu_vv_b, WOP_SSU_B, H2, H1, H1, DO_MACC)
+RVVCALL(OPIVV3, vwmaccsu_vv_h, WOP_SSU_H, H4, H2, H2, DO_MACC)
+RVVCALL(OPIVV3, vwmaccsu_vv_w, WOP_SSU_W, H8, H4, H4, DO_MACC)
+GEN_VEXT_VV(vwmaccu_vv_b, 1, 2, clearh)
+GEN_VEXT_VV(vwmaccu_vv_h, 2, 4, clearl)
+GEN_VEXT_VV(vwmaccu_vv_w, 4, 8, clearq)
+GEN_VEXT_VV(vwmacc_vv_b, 1, 2, clearh)
+GEN_VEXT_VV(vwmacc_vv_h, 2, 4, clearl)
+GEN_VEXT_VV(vwmacc_vv_w, 4, 8, clearq)
+GEN_VEXT_VV(vwmaccsu_vv_b, 1, 2, clearh)
+GEN_VEXT_VV(vwmaccsu_vv_h, 2, 4, clearl)
+GEN_VEXT_VV(vwmaccsu_vv_w, 4, 8, clearq)
+
+RVVCALL(OPIVX3, vwmaccu_vx_b, WOP_UUU_B, H2, H1, DO_MACC)
+RVVCALL(OPIVX3, vwmaccu_vx_h, WOP_UUU_H, H4, H2, DO_MACC)
+RVVCALL(OPIVX3, vwmaccu_vx_w, WOP_UUU_W, H8, H4, DO_MACC)
+RVVCALL(OPIVX3, vwmacc_vx_b, WOP_SSS_B, H2, H1, DO_MACC)
+RVVCALL(OPIVX3, vwmacc_vx_h, WOP_SSS_H, H4, H2, DO_MACC)
+RVVCALL(OPIVX3, vwmacc_vx_w, WOP_SSS_W, H8, H4, DO_MACC)
+RVVCALL(OPIVX3, vwmaccsu_vx_b, WOP_SSU_B, H2, H1, DO_MACC)
+RVVCALL(OPIVX3, vwmaccsu_vx_h, WOP_SSU_H, H4, H2, DO_MACC)
+RVVCALL(OPIVX3, vwmaccsu_vx_w, WOP_SSU_W, H8, H4, DO_MACC)
+RVVCALL(OPIVX3, vwmaccus_vx_b, WOP_SUS_B, H2, H1, DO_MACC)
+RVVCALL(OPIVX3, vwmaccus_vx_h, WOP_SUS_H, H4, H2, DO_MACC)
+RVVCALL(OPIVX3, vwmaccus_vx_w, WOP_SUS_W, H8, H4, DO_MACC)
+GEN_VEXT_VX(vwmaccu_vx_b, 1, 2, clearh)
+GEN_VEXT_VX(vwmaccu_vx_h, 2, 4, clearl)
+GEN_VEXT_VX(vwmaccu_vx_w, 4, 8, clearq)
+GEN_VEXT_VX(vwmacc_vx_b, 1, 2, clearh)
+GEN_VEXT_VX(vwmacc_vx_h, 2, 4, clearl)
+GEN_VEXT_VX(vwmacc_vx_w, 4, 8, clearq)
+GEN_VEXT_VX(vwmaccsu_vx_b, 1, 2, clearh)
+GEN_VEXT_VX(vwmaccsu_vx_h, 2, 4, clearl)
+GEN_VEXT_VX(vwmaccsu_vx_w, 4, 8, clearq)
+GEN_VEXT_VX(vwmaccus_vx_b, 1, 2, clearh)
+GEN_VEXT_VX(vwmaccus_vx_h, 2, 4, clearl)
+GEN_VEXT_VX(vwmaccus_vx_w, 4, 8, clearq)