tcg: Convert neg to TCGOutOpUnary

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index dfe67c1261528dbf3261f428d09178052c35eb41..cf7a3f2632343bd93be8b6d79e9e862941798e17 100644 (file)
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -2235,6 +2235,17 @@ static const TCGOutOpBinary outop_xor = {
 };
 
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    tgen_sub(s, type, a0, TCG_REG_XZR, a1);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
+
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType ext,
                        const TCGArg args[TCG_MAX_OP_ARGS],
                        const int const_args[TCG_MAX_OP_ARGS])
@@ -2301,11 +2312,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType ext,
         tcg_out_ldst(s, I3312_STRX, a0, a1, a2, 3);
         break;
 
-    case INDEX_op_neg_i64:
-    case INDEX_op_neg_i32:
-        tcg_out_insn(s, 3502, SUB, ext, a0, TCG_REG_XZR, a1);
-        break;
-
     case INDEX_op_not_i64:
     case INDEX_op_not_i32:
         tcg_out_insn(s, 3510, ORN, ext, a0, TCG_REG_XZR, a1);
@@ -2990,8 +2996,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld32u_i64:
     case INDEX_op_ld32s_i64:
     case INDEX_op_ld_i64:
-    case INDEX_op_neg_i32:
-    case INDEX_op_neg_i64:
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
     case INDEX_op_bswap16_i32:

diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc
index 13b78f0adac80328ce70057fc03d51a10f5d1460..5ea44886062319f6a85171a52f63228a2699db53 100644 (file)
--- a/tcg/arm/tcg-target.c.inc
+++ b/tcg/arm/tcg-target.c.inc
@@ -1951,6 +1951,16 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    tgen_subfi(s, type, a0, 0, a1);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -2040,9 +2050,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         }
         tcg_out_mov_reg(s, COND_AL, args[0], a0);
         break;
-    case INDEX_op_neg_i32:
-        tcg_out_dat_imm(s, COND_AL, ARITH_RSB, args[0], args[1], 0);
-        break;
     case INDEX_op_not_i32:
         tcg_out_dat_reg(s, COND_AL,
                         ARITH_MVN, args[0], 0, args[1], SHIFT_IMM_LSL(0));
@@ -2226,7 +2233,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld16u_i32:
     case INDEX_op_ld16s_i32:
     case INDEX_op_ld_i32:
-    case INDEX_op_neg_i32:
     case INDEX_op_not_i32:
     case INDEX_op_bswap16_i32:
     case INDEX_op_bswap32_i32:

diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 104f1b010a2a4b3a3541c64b0a9798d14b71979c..082aa982fb1826ceacc1383cdb7c08647eaae658 100644 (file)
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -2701,6 +2701,17 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    int rexw = type == TCG_TYPE_I32 ? 0 : P_REXW;
+    tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_NEG, a0);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, 0),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -2900,9 +2911,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         }
         break;
 
-    OP_32_64(neg):
-        tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_NEG, a0);
-        break;
     OP_32_64(not):
         tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_NOT, a0);
         break;
@@ -3719,8 +3727,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_bswap32_i32:
     case INDEX_op_bswap32_i64:
     case INDEX_op_bswap64_i64:
-    case INDEX_op_neg_i32:
-    case INDEX_op_neg_i64:
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
     case INDEX_op_extrh_i64_i32:

diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index f01b19463b1136ac2347460b2294a19372fb41b3..31ec7262e0b3cddce05ed311f7460ffefe8b41f7 100644 (file)
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -1409,6 +1409,16 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    tgen_sub(s, type, a0, TCG_REG_ZERO, a1);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -1611,13 +1621,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         }
         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;
@@ -2272,8 +2275,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     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:

diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc
index 15c5661fb86a1f1380a3984472c15ada63e2a87e..0fda255a7bac758de93f48a05be1159f8323607a 100644 (file)
--- a/tcg/mips/tcg-target.c.inc
+++ b/tcg/mips/tcg-target.c.inc
@@ -1783,6 +1783,16 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    tgen_sub(s, type, a0, TCG_REG_ZERO, a1);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -1975,12 +1985,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         tcg_out_opc_reg(s, OPC_MFHI, a1, 0, 0);
         break;
 
-    case INDEX_op_neg_i32:
-        i1 = OPC_SUBU;
-        goto do_unary;
-    case INDEX_op_neg_i64:
-        i1 = OPC_DSUBU;
-        goto do_unary;
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
         i1 = OPC_NOR;
@@ -2195,7 +2199,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld16u_i32:
     case INDEX_op_ld16s_i32:
     case INDEX_op_ld_i32:
-    case INDEX_op_neg_i32:
     case INDEX_op_not_i32:
     case INDEX_op_bswap16_i32:
     case INDEX_op_bswap32_i32:
@@ -2208,7 +2211,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld32s_i64:
     case INDEX_op_ld32u_i64:
     case INDEX_op_ld_i64:
-    case INDEX_op_neg_i64:
     case INDEX_op_not_i64:
     case INDEX_op_bswap16_i64:
     case INDEX_op_bswap32_i64:

diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index bfbfdc2dfa6424da21c8492cb36bc352712c1b1d..da45436a5ae7276c1122b34a1061289bb7529053 100644 (file)
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -3052,6 +3052,16 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    tcg_out32(s, NEG | RT(a0) | RA(a1));
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -3224,11 +3234,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         tcg_out_brcond2(s, args, const_args);
         break;
 
-    case INDEX_op_neg_i32:
-    case INDEX_op_neg_i64:
-        tcg_out32(s, NEG | RT(args[0]) | RA(args[1]));
-        break;
-
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
         tcg_out32(s, NOR | SAB(args[1], args[0], args[1]));
@@ -4119,7 +4124,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld16s_i32:
     case INDEX_op_ld_i32:
     case INDEX_op_ctpop_i32:
-    case INDEX_op_neg_i32:
     case INDEX_op_not_i32:
     case INDEX_op_bswap16_i32:
     case INDEX_op_bswap32_i32:
@@ -4133,7 +4137,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld32s_i64:
     case INDEX_op_ld_i64:
     case INDEX_op_ctpop_i64:
-    case INDEX_op_neg_i64:
     case INDEX_op_not_i64:
     case INDEX_op_ext_i32_i64:
     case INDEX_op_extu_i32_i64:

diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 54da432ab15cecf166a68eb4b583420e6bcd031b..4e16c44aa5bd51d2fe0ca789285ed99ebca4a52d 100644 (file)
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -2077,6 +2077,16 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    tgen_sub(s, type, a0, TCG_REG_ZERO, a1);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -2145,13 +2155,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         tcg_out_opc_imm(s, OPC_XORI, a0, a1, -1);
         break;
 
-    case INDEX_op_neg_i32:
-        tcg_out_opc_reg(s, OPC_SUBW, a0, TCG_REG_ZERO, a1);
-        break;
-    case INDEX_op_neg_i64:
-        tcg_out_opc_reg(s, OPC_SUB, a0, TCG_REG_ZERO, a1);
-        break;
-
     case INDEX_op_mul_i32:
         tcg_out_opc_reg(s, OPC_MULW, a0, a1, a2);
         break;
@@ -2660,7 +2663,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld16s_i32:
     case INDEX_op_ld_i32:
     case INDEX_op_not_i32:
-    case INDEX_op_neg_i32:
     case INDEX_op_ld8u_i64:
     case INDEX_op_ld8s_i64:
     case INDEX_op_ld16u_i64:
@@ -2669,7 +2671,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld32u_i64:
     case INDEX_op_ld_i64:
     case INDEX_op_not_i64:
-    case INDEX_op_neg_i64:
     case INDEX_op_extu_i32_i64:
     case INDEX_op_extrl_i64_i32:
     case INDEX_op_extrh_i64_i32:

diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc
index 662984f733218ed4da7fd3219a665a4fe93d4a33..08e65834d749936a79a2856cc9232f6a3b145048 100644 (file)
--- a/tcg/s390x/tcg-target.c.inc
+++ b/tcg/s390x/tcg-target.c.inc
@@ -2373,6 +2373,20 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori_3,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    if (type == TCG_TYPE_I32) {
+        tcg_out_insn(s, RR, LCR, a0, a1);
+    } else {
+        tcg_out_insn(s, RRE, LCGR, a0, a1);
+    }
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 # define OP_32_64(x) \
         case glue(glue(INDEX_op_,x),_i32): \
@@ -2430,9 +2444,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         tcg_out_st(s, TCG_TYPE_I32, args[0], args[1], args[2]);
         break;
 
-    case INDEX_op_neg_i32:
-        tcg_out_insn(s, RR, LCR, args[0], args[1]);
-        break;
     case INDEX_op_not_i32:
         tcg_out_insn(s, RRFa, NORK, args[0], args[1], args[1]);
         break;
@@ -2624,9 +2635,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         tcg_out_st(s, TCG_TYPE_I64, args[0], args[1], args[2]);
         break;
 
-    case INDEX_op_neg_i64:
-        tcg_out_insn(s, RRE, LCGR, args[0], args[1]);
-        break;
     case INDEX_op_not_i64:
         tcg_out_insn(s, RRFa, NOGRK, args[0], args[1], args[1]);
         break;
@@ -3323,8 +3331,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_bswap32_i32:
     case INDEX_op_bswap32_i64:
     case INDEX_op_bswap64_i64:
-    case INDEX_op_neg_i32:
-    case INDEX_op_neg_i64:
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
     case INDEX_op_ext_i32_i64:

diff --git a/tcg/sparc64/tcg-target.c.inc b/tcg/sparc64/tcg-target.c.inc
index 04b2b3b195b78d89b9977447ce5e9638d08dd9bf..a3926ea1c35b4839ce0991039e71c1cf11a4df7e 100644 (file)
--- a/tcg/sparc64/tcg-target.c.inc
+++ b/tcg/sparc64/tcg-target.c.inc
@@ -1403,6 +1403,16 @@ static const TCGOutOpBinary outop_xor = {
     .out_rri = tgen_xori,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+     tgen_sub(s, type, a0, TCG_REG_G0, a1);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -1473,9 +1483,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         c = ARITH_UMUL;
         goto gen_arith;
 
-    OP_32_64(neg):
-       c = ARITH_SUB;
-       goto gen_arith1;
     OP_32_64(not):
        c = ARITH_ORN;
        goto gen_arith1;
@@ -1639,8 +1646,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld32u_i64:
     case INDEX_op_ld32s_i64:
     case INDEX_op_ld_i64:
-    case INDEX_op_neg_i32:
-    case INDEX_op_neg_i64:
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
     case INDEX_op_ext_i32_i64:

diff --git a/tcg/tcg.c b/tcg/tcg.c
index b31e9798c592940cc03f9b62b46edb5f49f292ed..b5de69e4a93a902086acd065e79d0edb926ba647 100644 (file)
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -986,6 +986,11 @@ typedef struct TCGOutOpBinary {
                     TCGReg a0, TCGReg a1, tcg_target_long a2);
 } TCGOutOpBinary;
 
+typedef struct TCGOutOpUnary {
+    TCGOutOp base;
+    void (*out_rr)(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1);
+} TCGOutOpUnary;
+
 typedef struct TCGOutOpSubtract {
     TCGOutOp base;
     void (*out_rrr)(TCGContext *s, TCGType type,
@@ -1017,6 +1022,8 @@ static const TCGOutOp * const all_outop[NB_OPS] = {
     OUTOP(INDEX_op_andc, TCGOutOpBinary, outop_andc),
     OUTOP(INDEX_op_eqv, TCGOutOpBinary, outop_eqv),
     OUTOP(INDEX_op_nand, TCGOutOpBinary, outop_nand),
+    OUTOP(INDEX_op_neg_i32, TCGOutOpUnary, outop_neg),
+    OUTOP(INDEX_op_neg_i64, TCGOutOpUnary, outop_neg),
     OUTOP(INDEX_op_nor, TCGOutOpBinary, outop_nor),
     OUTOP(INDEX_op_or, TCGOutOpBinary, outop_or),
     OUTOP(INDEX_op_orc, TCGOutOpBinary, outop_orc),
@@ -2240,7 +2247,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_st8_i32:
     case INDEX_op_st16_i32:
     case INDEX_op_st_i32:
-    case INDEX_op_neg_i32:
     case INDEX_op_mul_i32:
     case INDEX_op_shl_i32:
     case INDEX_op_shr_i32:
@@ -2309,7 +2315,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_st16_i64:
     case INDEX_op_st32_i64:
     case INDEX_op_st_i64:
-    case INDEX_op_neg_i64:
     case INDEX_op_mul_i64:
     case INDEX_op_shl_i64:
     case INDEX_op_shr_i64:
@@ -5471,6 +5476,18 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op)
         }
         break;
 
+    case INDEX_op_neg_i32:
+    case INDEX_op_neg_i64:
+        {
+            const TCGOutOpUnary *out =
+                container_of(all_outop[op->opc], TCGOutOpUnary, base);
+
+            /* Constants should have been folded. */
+            tcg_debug_assert(!const_args[1]);
+            out->out_rr(s, type, new_args[0], new_args[1]);
+        }
+        break;
+
     default:
         if (def->flags & TCG_OPF_VECTOR) {
             tcg_out_vec_op(s, op->opc, type - TCG_TYPE_V64,

diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index 67a46c63210116aed3d6a622653a7b7b46e2ba91..200b256e737ae4a3ec22203ad74d6fc69c77c121 100644 (file)
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -57,8 +57,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_ld_i64:
     case INDEX_op_not_i32:
     case INDEX_op_not_i64:
-    case INDEX_op_neg_i32:
-    case INDEX_op_neg_i64:
     case INDEX_op_ext_i32_i64:
     case INDEX_op_extu_i32_i64:
     case INDEX_op_bswap16_i32:
@@ -731,6 +729,16 @@ static const TCGOutOpBinary outop_xor = {
     .out_rrr = tgen_xor,
 };
 
+static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
+{
+    tcg_out_op_rr(s, glue(INDEX_op_neg_i,TCG_TARGET_REG_BITS), a0, a1);
+}
+
+static const TCGOutOpUnary outop_neg = {
+    .base.static_constraint = C_O1_I1(r, r),
+    .out_rr = tgen_neg,
+};
+
 
 static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
                        const TCGArg args[TCG_MAX_OP_ARGS],
@@ -804,7 +812,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
         tcg_out_op_rl(s, opc, TCG_REG_TMP, arg_label(args[3]));
         break;
 
-    CASE_32_64(neg)      /* Optional (TCG_TARGET_HAS_neg_*). */
     CASE_32_64(not)      /* Optional (TCG_TARGET_HAS_not_*). */
     CASE_32_64(ctpop)    /* Optional (TCG_TARGET_HAS_ctpop_*). */
     case INDEX_op_bswap32_i32: /* Optional (TCG_TARGET_HAS_bswap32_i32). */