diff mbox series

[PULL,12/39] tcg/loongarch64: Lower neg_vec to vneg

Message ID 20230916033011.479144-13-richard.henderson@linaro.org
State New
Headers show
Series [PULL,01/39] accel/tcg: mttcg remove false-negative halted assertion | expand

Commit Message

Richard Henderson Sept. 16, 2023, 3:29 a.m. UTC 
From: Jiajie Chen <c@jia.je>

Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230908022302.180442-8-c@jia.je>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/loongarch64/tcg-target.h     | 2 +-
 tcg/loongarch64/tcg-target.c.inc | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h
index f9c5cb12ca..64c72d0857 100644
--- a/tcg/loongarch64/tcg-target.h
+++ b/tcg/loongarch64/tcg-target.h
@@ -178,7 +178,7 @@  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
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index d569e443dd..b36b706e39 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -1695,6 +1695,9 @@  static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         [TCG_COND_LTU] = {OPC_VSLTI_BU, OPC_VSLTI_HU, OPC_VSLTI_WU, OPC_VSLTI_DU},
     };
     LoongArchInsn insn;
+    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];
@@ -1793,6 +1796,9 @@  static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
     case INDEX_op_sub_vec:
         tcg_out_addsub_vec(s, vece, a0, a1, a2, const_args[2], false);
         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;
@@ -1818,6 +1824,7 @@  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;
@@ -1995,6 +2002,7 @@  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: