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-rw-r--r--gas/testsuite/gas/aarch64/illegal-sysreg-2.d2
-rw-r--r--gas/testsuite/gas/aarch64/illegal-sysreg-2.l2
-rw-r--r--gas/testsuite/gas/aarch64/illegal-sysreg-2.s3
-rw-r--r--gas/testsuite/gas/aarch64/msr.d3
-rw-r--r--gas/testsuite/gas/aarch64/msr.s1
-rw-r--r--opcodes/aarch64-opc.c2
6 files changed, 9 insertions, 4 deletions
diff --git a/gas/testsuite/gas/aarch64/illegal-sysreg-2.d b/gas/testsuite/gas/aarch64/illegal-sysreg-2.d
new file mode 100644
index 0000000..bff7ea7
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/illegal-sysreg-2.d
@@ -0,0 +1,2 @@
+#source: illegal-sysreg-2.s
+#warning_output: illegal-sysreg-2.l
diff --git a/gas/testsuite/gas/aarch64/illegal-sysreg-2.l b/gas/testsuite/gas/aarch64/illegal-sysreg-2.l
new file mode 100644
index 0000000..60aa5c2
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/illegal-sysreg-2.l
@@ -0,0 +1,2 @@
+.*: Assembler messages:
+.*: Warning: specified register cannot be written to at operand 1 -- `msr pmsidr_el1,x0'
diff --git a/gas/testsuite/gas/aarch64/illegal-sysreg-2.s b/gas/testsuite/gas/aarch64/illegal-sysreg-2.s
new file mode 100644
index 0000000..f95584c
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/illegal-sysreg-2.s
@@ -0,0 +1,3 @@
+/* Write to R/O system registers. */
+.arch armv8.2-a+profile
+msr pmsidr_el1, x0
diff --git a/gas/testsuite/gas/aarch64/msr.d b/gas/testsuite/gas/aarch64/msr.d
index 4d5e630..fedf2ee 100644
--- a/gas/testsuite/gas/aarch64/msr.d
+++ b/gas/testsuite/gas/aarch64/msr.d
@@ -24,5 +24,4 @@ Disassembly of section \.text:
3c: d5300040 mrs x0, osdtrrx_el1
40: d5100340 msr osdtrtx_el1, x0
44: d5300340 mrs x0, osdtrtx_el1
- 48: d51899e0 msr pmsidr_el1, x0
- 4c: d53899e0 mrs x0, pmsidr_el1
+ 48: d53899e0 mrs x0, pmsidr_el1
diff --git a/gas/testsuite/gas/aarch64/msr.s b/gas/testsuite/gas/aarch64/msr.s
index 5e8ae85..36ebfe4 100644
--- a/gas/testsuite/gas/aarch64/msr.s
+++ b/gas/testsuite/gas/aarch64/msr.s
@@ -47,5 +47,4 @@ func:
msr osdtrtx_el1, x0
mrs x0, osdtrtx_el1
- msr pmsidr_el1, x0
mrs x0, pmsidr_el1
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index 714c705..372101a 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -4346,7 +4346,7 @@ const aarch64_sys_reg aarch64_sys_regs [] =
SR_PROFILE ("pmsfcr_el1", CPENC (3,0,C9,C9,4), 0),
SR_PROFILE ("pmsevfr_el1", CPENC (3,0,C9,C9,5), 0),
SR_PROFILE ("pmslatfr_el1", CPENC (3,0,C9,C9,6), 0),
- SR_PROFILE ("pmsidr_el1", CPENC (3,0,C9,C9,7), 0),
+ SR_PROFILE ("pmsidr_el1", CPENC (3,0,C9,C9,7), F_REG_READ),
SR_PROFILE ("pmscr_el2", CPENC (3,4,C9,C9,0), 0),
SR_PROFILE ("pmscr_el12", CPENC (3,5,C9,C9,0), 0),
SR_CORE ("pmcr_el0", CPENC (3,3,C9,C12,0), 0),