aarch64: Add FEAT_ITE support

This patch add support for FEAT_ITE "Instrumentation Extension" adding
the "trcit" instruction.

This is enabled by the +ite march flag.

3 files changed, 12 insertions, 2 deletions

diff --git a/opcodes/aarch64-asm-2.c b/opcodes/aarch64-asm-2.c
index e9b9ce27f8d..b7f27f2305f 100644
--- a/opcodes/aarch64-asm-2.c
+++ b/opcodes/aarch64-asm-2.c
@@ -465,6 +465,7 @@ aarch64_find_real_opcode (const aarch64_opcode *opcode)
     case 1236:	/* dsb */
       value = 1236;	/* --> dsb.  */
       break;
+    case 3194:	/* trcit */
     case 1264:	/* cosp */
     case 1263:	/* cpp */
     case 1262:	/* dvp */
diff --git a/opcodes/aarch64-dis-2.c b/opcodes/aarch64-dis-2.c
index 977b1c1303e..9fa1b7687fe 100644
--- a/opcodes/aarch64-dis-2.c
+++ b/opcodes/aarch64-dis-2.c
@@ -31324,7 +31324,7 @@ aarch64_find_alias_opcode (const aarch64_opcode *opcode)
     case 1215: value = 3193; break;	/* hint --> clrbhb.  */
     case 1235: value = 1239; break;	/* dsb --> pssbb.  */
     case 1236: value = 1236; break;	/* dsb --> dsb.  */
-    case 1254: value = 1264; break;	/* sys --> cosp.  */
+    case 1254: value = 3194; break;	/* sys --> trcit.  */
     case 1259: value = 1259; break;	/* wfet --> wfet.  */
     case 1260: value = 1260; break;	/* wfit --> wfit.  */
     case 1325: value = 2078; break;	/* and --> bic.  */
@@ -31511,6 +31511,7 @@ aarch64_find_next_alias_opcode (const aarch64_opcode *opcode)
     case 1239: value = 1238; break;	/* pssbb --> ssbb.  */
     case 1238: value = 1237; break;	/* ssbb --> dfb.  */
     case 1237: value = 1235; break;	/* dfb --> dsb.  */
+    case 3194: value = 1264; break;	/* trcit --> cosp.  */
     case 1264: value = 1263; break;	/* cosp --> cpp.  */
     case 1263: value = 1262; break;	/* cpp --> dvp.  */
     case 1262: value = 1261; break;	/* dvp --> cfp.  */
diff --git a/opcodes/aarch64-tbl.h b/opcodes/aarch64-tbl.h
index 6734794ba56..5dd0864c0ab 100644
--- a/opcodes/aarch64-tbl.h
+++ b/opcodes/aarch64-tbl.h
@@ -2580,6 +2580,8 @@ static const aarch64_feature_set aarch64_feature_chk =
   AARCH64_FEATURE (CHK);
 static const aarch64_feature_set aarch64_feature_gcs =
   AARCH64_FEATURE (GCS);
+static const aarch64_feature_set aarch64_feature_ite =
+  AARCH64_FEATURE (ITE);
 
 #define CORE		&aarch64_feature_v8
 #define FP		&aarch64_feature_fp
@@ -2642,6 +2644,7 @@ static const aarch64_feature_set aarch64_feature_gcs =
 #define CSSC	  &aarch64_feature_cssc
 #define CHK	  &aarch64_feature_chk
 #define GCS	  &aarch64_feature_gcs
+#define ITE	  &aarch64_feature_ite
 
 #define CORE_INSN(NAME,OPCODE,MASK,CLASS,OP,OPS,QUALS,FLAGS) \
   { NAME, OPCODE, MASK, CLASS, OP, CORE, OPS, QUALS, FLAGS, 0, 0, NULL }
@@ -2847,6 +2850,9 @@ static const aarch64_feature_set aarch64_feature_gcs =
 #define PREDRES2_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS,FLAGS) \
   { NAME, OPCODE, MASK, CLASS, 0, PREDRES2, OPS, QUALS, FLAGS, 0, 0, NULL }
 
+#define ITE_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS,FLAGS) \
+  { NAME, OPCODE, MASK, CLASS, 0, ITE, OPS, QUALS, FLAGS, 0, 0, NULL }
+
 const struct aarch64_opcode aarch64_opcode_table[] =
 {
   /* Add/subtract (with carry).  */
@@ -4673,7 +4679,7 @@ const struct aarch64_opcode aarch64_opcode_table[] =
   _SVE_INSN ("ldff1sw", 0xc540a000, 0xffe0e000, sve_misc, 0, OP3 (SVE_ZtxN, SVE_Pg3, SVE_ADDR_RZ), OP_SVE_DZD, F_OD(1), 0),
   _SVE_INSN ("ldff1sw", 0xc560a000, 0xffe0e000, sve_misc, 0, OP3 (SVE_ZtxN, SVE_Pg3, SVE_ADDR_RZ_LSL2), OP_SVE_DZD, F_OD(1), 0),
   _SVE_INSN ("ldff1sw", 0xc520a000, 0xffe0e000, sve_misc, 0, OP3 (SVE_ZtxN, SVE_Pg3, SVE_ADDR_ZI_U5x4), OP_SVE_DZD, F_OD(1), 0),
-  
+
   _SVE_INSN ("ldff1w", 0x85006000, 0xffa0e000, sve_misc, 0, OP3 (SVE_ZtxN, SVE_Pg3, SVE_ADDR_RZ_XTW_22), OP_SVE_SZS, F_OD(1), 0),
   _SVE_INSN ("ldff1w", 0x85206000, 0xffa0e000, sve_misc, 0, OP3 (SVE_ZtxN, SVE_Pg3, SVE_ADDR_RZ_XTW2_22), OP_SVE_SZS, F_OD(1), 0),
   _SVE_INSN ("ldff1w", 0xa5406000, 0xffe0e000, sve_misc, 0, OP3 (SVE_ZtxN, SVE_Pg3, SVE_ADDR_RR_LSL2), OP_SVE_SZU, F_OD(1), 0),
@@ -6117,6 +6123,8 @@ const struct aarch64_opcode aarch64_opcode_table[] =
      command-line flags.  */
   CORE_INSN ("clrbhb", 0xd50322df, 0xffffffff, ic_system, 0, OP0 (), {}, F_ALIAS),
 
+  ITE_INSN ("trcit", 0xd50b72e0, 0xffffffe0, ic_system, OP1 (Rt), QL_I1X, F_ALIAS),
+
   {0, 0, 0, 0, 0, 0, {}, {}, 0, 0, 0, NULL},
 };