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-rw-r--r--gas/testsuite/gas/aarch64/clrbhb-1.d9
-rw-r--r--gas/testsuite/gas/aarch64/clrbhb-1.s2
-rw-r--r--gas/testsuite/gas/aarch64/system.d4
-rw-r--r--opcodes/aarch64-asm-2.c1
-rw-r--r--opcodes/aarch64-dis-2.c3
-rw-r--r--opcodes/aarch64-tbl.h4
6 files changed, 20 insertions, 3 deletions
diff --git a/gas/testsuite/gas/aarch64/clrbhb-1.d b/gas/testsuite/gas/aarch64/clrbhb-1.d
new file mode 100644
index 0000000..272ee23
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/clrbhb-1.d
@@ -0,0 +1,9 @@
+#objdump: -dr
+
+.*: file format .*
+
+Disassembly of section \.text:
+
+0+ <.*>:
+ 0: d50322df clrbhb
+
diff --git a/gas/testsuite/gas/aarch64/clrbhb-1.s b/gas/testsuite/gas/aarch64/clrbhb-1.s
new file mode 100644
index 0000000..edf8846
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/clrbhb-1.s
@@ -0,0 +1,2 @@
+ clrbhb
+
diff --git a/gas/testsuite/gas/aarch64/system.d b/gas/testsuite/gas/aarch64/system.d
index dbb7c0a..c140077 100644
--- a/gas/testsuite/gas/aarch64/system.d
+++ b/gas/testsuite/gas/aarch64/system.d
@@ -14,7 +14,7 @@ Disassembly of section \.text:
.*: d503207f wfi
.*: d503209f sev
.*: d50320bf sevl
-.*: d50322df clearbhb
+.*: d50322df clrbhb
.*: d503201f nop
.*: d503203f yield
.*: d503205f wfe
@@ -37,7 +37,7 @@ Disassembly of section \.text:
.*: d503227f (hint #0x13|gcsb dsync)
.*: d503229f (hint #0x14|csdb)
.*: d50322bf hint #0x15
-.*: d50322df (hint #0x16|clearbhb)
+.*: d50322df (hint #0x16|clrbhb)
.*: d50322ff hint #0x17
.*: d503231f (hint #0x18|paciaz)
.*: d503233f (hint #0x19|paciasp)
diff --git a/opcodes/aarch64-asm-2.c b/opcodes/aarch64-asm-2.c
index ae0119a..e9b9ce2 100644
--- a/opcodes/aarch64-asm-2.c
+++ b/opcodes/aarch64-asm-2.c
@@ -426,6 +426,7 @@ aarch64_find_real_opcode (const aarch64_opcode *opcode)
case 1200: /* movz */
value = 1200; /* --> movz. */
break;
+ case 3193: /* clrbhb */
case 1276: /* autibsp */
case 1275: /* autibz */
case 1274: /* autiasp */
diff --git a/opcodes/aarch64-dis-2.c b/opcodes/aarch64-dis-2.c
index 38d72a7..977b1c1 100644
--- a/opcodes/aarch64-dis-2.c
+++ b/opcodes/aarch64-dis-2.c
@@ -31321,7 +31321,7 @@ aarch64_find_alias_opcode (const aarch64_opcode *opcode)
case 1136: value = 1185; break; /* lduminl --> stuminl. */
case 1198: value = 1199; break; /* movn --> mov. */
case 1200: value = 1201; break; /* movz --> mov. */
- case 1215: value = 1276; break; /* hint --> autibsp. */
+ 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. */
@@ -31481,6 +31481,7 @@ aarch64_find_next_alias_opcode (const aarch64_opcode *opcode)
case 1185: value = 1136; break; /* stuminl --> lduminl. */
case 1199: value = 1198; break; /* mov --> movn. */
case 1201: value = 1200; break; /* mov --> movz. */
+ case 3193: value = 1276; break; /* clrbhb --> autibsp. */
case 1276: value = 1275; break; /* autibsp --> autibz. */
case 1275: value = 1274; break; /* autibz --> autiasp. */
case 1274: value = 1273; break; /* autiasp --> autiaz. */
diff --git a/opcodes/aarch64-tbl.h b/opcodes/aarch64-tbl.h
index 4ef28be..6734794 100644
--- a/opcodes/aarch64-tbl.h
+++ b/opcodes/aarch64-tbl.h
@@ -6113,6 +6113,10 @@ const struct aarch64_opcode aarch64_opcode_table[] =
CSSC_INSN ("smin", 0x1ac06800, 0x7fe0fc00, OP3 (Rd, Rn, Rm), QL_I3SAMER, F_SF),
CSSC_INSN ("umin", 0x1ac06c00, 0x7fe0fc00, OP3 (Rd, Rn, Rm), QL_I3SAMER, F_SF),
+ /* FEAT_CLRBHB part of the hint space and available without special
+ command-line flags. */
+ CORE_INSN ("clrbhb", 0xd50322df, 0xffffffff, ic_system, 0, OP0 (), {}, F_ALIAS),
+
{0, 0, 0, 0, 0, 0, {}, {}, 0, 0, 0, NULL},
};