[PATCH v2 06/14] tcg/loongarch64: Lower neg_vec to vneg

[Jiajie Chen]

Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/loongarch64/tcg-target.c.inc | 8 ++++++++
 tcg/loongarch64/tcg-target.h     | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 20e25dc490..16bcc2cf1b 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -1653,6 +1653,9 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
     static const LoongArchInsn sub_vec_imm_insn[4] = {
         OPC_VSUBI_BU, OPC_VSUBI_HU, OPC_VSUBI_WU, OPC_VSUBI_DU
     };
+    static const LoongArchInsn neg_vec_insn[4] = {
+        OPC_VNEG_B, OPC_VNEG_H, OPC_VNEG_W, OPC_VNEG_D
+    };
 
     a0 = args[0];
     a1 = args[1];
@@ -1785,6 +1788,9 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         }
         tcg_out32(s, encode_vdvjvk_insn(sub_vec_insn[vece], a0, a1, a2));
         break;
+    case INDEX_op_neg_vec:
+        tcg_out32(s, encode_vdvj_insn(neg_vec_insn[vece], a0, a1));
+        break;
     case INDEX_op_dupm_vec:
         tcg_out_dupm_vec(s, type, vece, a0, a1, a2);
         break;
@@ -1810,6 +1816,7 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, 
unsigned vece)
     case INDEX_op_xor_vec:
     case INDEX_op_nor_vec:
     case INDEX_op_not_vec:
+    case INDEX_op_neg_vec:
         return 1;
     default:
         return 0;
@@ -1987,6 +1994,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode 
op)
         return C_O1_I2(w, w, w);
 
     case INDEX_op_not_vec:
+    case INDEX_op_neg_vec:
         return C_O1_I1(w, w);
 
     default:
diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h
index bf72b26ca2..c992c4b297 100644
--- a/tcg/loongarch64/tcg-target.h
+++ b/tcg/loongarch64/tcg-target.h
@@ -176,7 +176,7 @@ extern bool use_lsx_instructions;
 #define TCG_TARGET_HAS_v256             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_andc_vec         1
 #define TCG_TARGET_HAS_orc_vec          1
-- 
2.42.0