[PATCH v3 09/14] tcg/riscv: Implement vector neg ops

[LIU Zhiwei]

From: TANG Tiancheng <tangtiancheng....@alibaba-inc.com>

Signed-off-by: TANG Tiancheng <tangtiancheng....@alibaba-inc.com>
Reviewed-by: Liu Zhiwei <zhiwei_...@linux.alibaba.com>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
---
 tcg/riscv/tcg-target.c.inc | 7 +++++++
 tcg/riscv/tcg-target.h     | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 37909e56fb..60a5a21ff5 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -280,6 +280,7 @@ typedef enum {
     OPC_VXOR_VV = 0x2c000057 | V_OPIVV,
     OPC_VXOR_VI = 0x2c000057 | V_OPIVI,
 
+    OPC_VRSUB_VI = 0xc000057 | V_OPIVI,
     OPC_VMSEQ_VV = 0x60000057 | V_OPIVV,
     OPC_VMSEQ_VI = 0x60000057 | V_OPIVI,
     OPC_VMSEQ_VX = 0x60000057 | V_OPIVX,
@@ -2411,6 +2412,10 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         riscv_set_vec_config_vl(s, type);
         tcg_out_opc_vi(s, OPC_VXOR_VI, a0, a1, -1, true);
         break;
+    case INDEX_op_neg_vec:
+        riscv_set_vec_config_vl_vece(s, type, vece);
+        tcg_out_opc_vi(s, OPC_VRSUB_VI, a0, a1, 0, true);
+        break;
     case INDEX_op_cmpsel_vec:
         TCGArg a3, a4;
         int c3, c4;
@@ -2498,6 +2503,7 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, 
unsigned vece)
     case INDEX_op_or_vec:
     case INDEX_op_xor_vec:
     case INDEX_op_not_vec:
+    case INDEX_op_neg_vec:
     case INDEX_op_cmpsel_vec:
         return 1;
     case INDEX_op_cmp_vec:
@@ -2652,6 +2658,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode 
op)
     case INDEX_op_dupm_vec:
     case INDEX_op_ld_vec:
         return C_O1_I1(v, r);
+    case INDEX_op_neg_vec:
     case INDEX_op_not_vec:
         return C_O1_I1(v, v);
     case INDEX_op_add_vec:
diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index 94034504b2..ae10381e02 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -152,7 +152,7 @@ typedef enum {
 #define TCG_TARGET_HAS_nor_vec          0
 #define TCG_TARGET_HAS_eqv_vec          0
 #define TCG_TARGET_HAS_not_vec          1
-#define TCG_TARGET_HAS_neg_vec          0
+#define TCG_TARGET_HAS_neg_vec          1
 #define TCG_TARGET_HAS_abs_vec          0
 #define TCG_TARGET_HAS_roti_vec         0
 #define TCG_TARGET_HAS_rots_vec         0
-- 
2.43.0