5 files changed, 58 insertions, 0 deletions
diff --git a/gas/testsuite/gas/aarch64/system-4-invalid.d b/gas/testsuite/gas/aarch64/system-4-invalid.d
new file mode 100644
index 0000000..62d38eb
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/system-4-invalid.d
@@ -0,0 +1,3 @@
+#name: Invalid DSB memory nXS barrier variant
+#source: system-4-invalid.s
+#error_output: system-4-invalid.l
diff --git a/gas/testsuite/gas/aarch64/system-4-invalid.l b/gas/testsuite/gas/aarch64/system-4-invalid.l
new file mode 100644
index 0000000..5a01e39
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/system-4-invalid.l
@@ -0,0 +1,11 @@
+.*: Assembler messages:
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #17'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #18'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #19'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #21'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #22'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #23'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #25'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #26'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #27'
+.*: Error: immediate value out of range 0 to 15 at operand 1 -- `dsb #29'
diff --git a/gas/testsuite/gas/aarch64/system-4-invalid.s b/gas/testsuite/gas/aarch64/system-4-invalid.s
new file mode 100644
index 0000000..cadad58
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/system-4-invalid.s
@@ -0,0 +1,16 @@
+/* Armv8.7-a DSB memory nXS barrier variant.  */
+.arch armv8.7-a
+
+    dsb #17
+    dsb #18
+    dsb #19
+
+    dsb #21
+    dsb #22
+    dsb #23
+
+    dsb #25
+    dsb #26
+    dsb #27
+
+    dsb #29
diff --git a/gas/testsuite/gas/aarch64/system-4.d b/gas/testsuite/gas/aarch64/system-4.d
new file mode 100644
index 0000000..0f600f8
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/system-4.d
@@ -0,0 +1,16 @@
+#name: DSB memory nXS barrier variant
+#objdump: -dr
+
+.*:     file format .*
+
+Disassembly of section \.text:
+
+0+ <.*>:
+.*:	d503323f 	dsb	oshnxs
+.*:	d503363f 	dsb	nshnxs
+.*:	d5033a3f 	dsb	ishnxs
+.*:	d5033e3f 	dsb	synxs
+.*:	d503323f 	dsb	oshnxs
+.*:	d503363f 	dsb	nshnxs
+.*:	d5033a3f 	dsb	ishnxs
+.*:	d5033e3f 	dsb	synxs
diff --git a/gas/testsuite/gas/aarch64/system-4.s b/gas/testsuite/gas/aarch64/system-4.s
new file mode 100644
index 0000000..f95eb35
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/system-4.s
@@ -0,0 +1,12 @@
+/* Armv8.7-a DSB memory nXS barrier variant.  */
+.arch armv8.7-a
+
+    dsb #16
+    dsb #20
+    dsb #24
+    dsb #28
+
+    dsb oshnxs
+    dsb nshnxs
+    dsb ishnxs
+    dsb synxs