[v5] tcg/riscv: Add support for vector

[PATCH v5 08/12] tcg/riscv: Implement vector sat/mul ops
Posted by LIU Zhiwei 1 month, 2 weeks ago
From: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>

Signed-off-by: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>
Reviewed-by: Liu Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/riscv/tcg-target.c.inc | 36 ++++++++++++++++++++++++++++++++++++
 tcg/riscv/tcg-target.h     |  4 ++--
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index e7d7796793..0b2541692a 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -281,6 +281,12 @@ typedef enum {
     OPC_VXOR_VI = 0x2c000057 | V_OPIVI,
 
     OPC_VRSUB_VI = 0xc000057 | V_OPIVI,
+    OPC_VMUL_VV = 0x94000057 | V_OPMVV,
+    OPC_VSADD_VV = 0x84000057 | V_OPIVV,
+    OPC_VSSUB_VV = 0x8c000057 | V_OPIVV,
+    OPC_VSADDU_VV = 0x80000057 | V_OPIVV,
+    OPC_VSSUBU_VV = 0x88000057 | V_OPIVV,
+
     OPC_VMSEQ_VV = 0x60000057 | V_OPIVV,
     OPC_VMSEQ_VI = 0x60000057 | V_OPIVI,
     OPC_VMSEQ_VX = 0x60000057 | V_OPIVX,
@@ -2406,6 +2412,26 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         set_vtype_len_sew(s, type, vece);
         tcg_out_opc_vi(s, OPC_VRSUB_VI, a0, a1, 0, true);
         break;
+    case INDEX_op_mul_vec:
+        set_vtype_len_sew(s, type, vece);
+        tcg_out_opc_vv(s, OPC_VMUL_VV, a0, a1, a2, true);
+        break;
+    case INDEX_op_ssadd_vec:
+        set_vtype_len_sew(s, type, vece);
+        tcg_out_opc_vv(s, OPC_VSADD_VV, a0, a1, a2, true);
+        break;
+    case INDEX_op_sssub_vec:
+        set_vtype_len_sew(s, type, vece);
+        tcg_out_opc_vv(s, OPC_VSSUB_VV, a0, a1, a2, true);
+        break;
+    case INDEX_op_usadd_vec:
+        set_vtype_len_sew(s, type, vece);
+        tcg_out_opc_vv(s, OPC_VSADDU_VV, a0, a1, a2, true);
+        break;
+    case INDEX_op_ussub_vec:
+        set_vtype_len_sew(s, type, vece);
+        tcg_out_opc_vv(s, OPC_VSSUBU_VV, a0, a1, a2, true);
+        break;
     case INDEX_op_cmpsel_vec:
         tcg_out_cmpsel(s, type, vece, args[5], a0, a1, a2, const_args[2],
                        args[3], const_args[3], args[4], const_args[4]);
@@ -2450,6 +2476,11 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
     case INDEX_op_xor_vec:
     case INDEX_op_not_vec:
     case INDEX_op_neg_vec:
+    case INDEX_op_mul_vec:
+    case INDEX_op_ssadd_vec:
+    case INDEX_op_sssub_vec:
+    case INDEX_op_usadd_vec:
+    case INDEX_op_ussub_vec:
     case INDEX_op_cmpsel_vec:
         return 1;
     case INDEX_op_cmp_vec:
@@ -2612,6 +2643,11 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
     case INDEX_op_and_vec:
     case INDEX_op_or_vec:
     case INDEX_op_xor_vec:
+    case INDEX_op_mul_vec:
+    case INDEX_op_ssadd_vec:
+    case INDEX_op_sssub_vec:
+    case INDEX_op_usadd_vec:
+    case INDEX_op_ussub_vec:
         return C_O1_I2(v, v, v);
     case INDEX_op_cmp_vec:
         return C_O1_I2(v, v, vL);
diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index ae10381e02..1d4d8878ce 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -160,8 +160,8 @@ typedef enum {
 #define TCG_TARGET_HAS_shi_vec          0
 #define TCG_TARGET_HAS_shs_vec          0
 #define TCG_TARGET_HAS_shv_vec          0
-#define TCG_TARGET_HAS_mul_vec          0
-#define TCG_TARGET_HAS_sat_vec          0
+#define TCG_TARGET_HAS_mul_vec          1
+#define TCG_TARGET_HAS_sat_vec          1
 #define TCG_TARGET_HAS_minmax_vec       0
 #define TCG_TARGET_HAS_bitsel_vec       0
 #define TCG_TARGET_HAS_cmpsel_vec       1
-- 
2.43.0