[PATCH 24/35] tcg/loongarch64: Implement neg opcodes

[Richard Henderson]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231026041404.1229328-6-richard.henderson@linaro.org>
---
 tcg/loongarch64/tcg-target.h     | 4 ++--
 tcg/loongarch64/tcg-target.c.inc | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h
index 486898c2d3..189997644a 100644
--- a/tcg/loongarch64/tcg-target.h
+++ b/tcg/loongarch64/tcg-target.h
@@ -119,7 +119,7 @@ typedef enum {
 #define TCG_TARGET_HAS_bswap16_i32      1
 #define TCG_TARGET_HAS_bswap32_i32      1
 #define TCG_TARGET_HAS_not_i32          1
-#define TCG_TARGET_HAS_neg_i32          0
+#define TCG_TARGET_HAS_neg_i32          1
 #define TCG_TARGET_HAS_andc_i32         1
 #define TCG_TARGET_HAS_orc_i32          1
 #define TCG_TARGET_HAS_eqv_i32          0
@@ -153,7 +153,7 @@ typedef enum {
 #define TCG_TARGET_HAS_bswap32_i64      1
 #define TCG_TARGET_HAS_bswap64_i64      1
 #define TCG_TARGET_HAS_not_i64          1
-#define TCG_TARGET_HAS_neg_i64          0
+#define TCG_TARGET_HAS_neg_i64          1
 #define TCG_TARGET_HAS_andc_i64         1
 #define TCG_TARGET_HAS_orc_i64          1
 #define TCG_TARGET_HAS_eqv_i64          0
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index ae13c1f666..a588fb3085 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -1441,6 +1441,13 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         }
         break;
 
+    case INDEX_op_neg_i32:
+        tcg_out_opc_sub_w(s, a0, TCG_REG_ZERO, a1);
+        break;
+    case INDEX_op_neg_i64:
+        tcg_out_opc_sub_d(s, a0, TCG_REG_ZERO, a1);
+        break;
+
     case INDEX_op_mul_i32:
         tcg_out_opc_mul_w(s, a0, a1, a2);
         break;
@@ -2076,6 +2083,8 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode 
op)
     case INDEX_op_extrl_i64_i32:
     case INDEX_op_extrh_i64_i32:
     case INDEX_op_ext_i32_i64:
+    case INDEX_op_neg_i32:
+    case INDEX_op_neg_i64:
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
     case INDEX_op_extract_i32:
-- 
2.34.1