Only in binutils-2.35.2/gas/testsuite/gas/aarch64: rng-1.d
Only in binutils-2.35.2/gas/testsuite/gas/aarch64: rng-1.s
diff -rup binutils.orig/opcodes/aarch64-opc.c binutils-2.35.2/opcodes/aarch64-opc.c
--- binutils.orig/opcodes/aarch64-opc.c	2022-04-05 11:50:10.131798329 +0100
+++ binutils-2.35.2/opcodes/aarch64-opc.c	2022-04-05 11:54:32.596827591 +0100
@@ -3810,9 +3810,6 @@ aarch64_print_operand (char *buf, size_t
 #define SR_FEAT(n,e,f,feat) \
   SYSREG ((n), (e), (f) | F_ARCHEXT, AARCH64_FEATURE_##feat)
 
-#define SR_RNG(n,e,f) \
-  SYSREG ((n), (e), (f) | F_ARCHEXT, AARCH64_FEATURE_RNG | AARCH64_FEATURE_V8_5)
-
 #define SR_V8_1(n,e,f)	  SR_FEAT (n,e,f,V8_1)
 #define SR_V8_2(n,e,f)	  SR_FEAT (n,e,f,V8_2)
 #define SR_V8_3(n,e,f)	  SR_FEAT (n,e,f,V8_3)
@@ -3820,6 +3817,7 @@ aarch64_print_operand (char *buf, size_t
 #define SR_V8_4(n,e,f)	  SR_FEAT (n,e,f,V8_4)
 #define SR_PAN(n,e,f)	  SR_FEAT (n,e,f,PAN)
 #define SR_RAS(n,e,f)	  SR_FEAT (n,e,f,RAS)
+#define SR_RNG(n,e,f)	  SR_FEAT (n,e,f,RNG)
 #define SR_SSBS(n,e,f)	  SR_FEAT (n,e,f,SSBS)
 #define SR_SVE(n,e,f)	  SR_FEAT (n,e,f,SVE)
 #define SR_ID_PFR2(n,e,f) SR_FEAT (n,e,f,ID_PFR2)
--- /dev/null	2022-04-05 09:32:54.900867346 +0100
+++ binutils-2.35.2/gas/testsuite/gas/aarch64/rng-1.s	2022-04-05 11:55:13.973674567 +0100
@@ -0,0 +1,3 @@
+	.arch armv8.4-a+rng
+	mrs x5, rndr
+	mrs x6, rndrrs
--- /dev/null	2022-04-05 09:32:54.900867346 +0100
+++ binutils-2.35.2/gas/testsuite/gas/aarch64/rng-1.d	2022-04-05 11:55:45.338558554 +0100
@@ -0,0 +1,10 @@
+#source: rng-1.s
+#objdump: -dr
+
+.*:     file format .*
+
+Disassembly of section \.text:
+
+0+ <.*>:
+.*:	d53b2405 	mrs	x5, rndr
+.*:	d53b2426 	mrs	x6, rndrrs
--- binutils.orig/gas/config/tc-aarch64.c	2022-05-23 09:44:07.623234684 +0100
+++ binutils-2.35.2/gas/config/tc-aarch64.c	2022-05-23 09:47:09.147696001 +0100
@@ -9206,7 +9206,7 @@ aarch64_parse_features (const char *str,
 	    break;
 	  }
 
-      if (opt->name == NULL)
+      if (opt->name == NULL && adding_value)
 	{
 	  as_bad (_("unknown architectural extension `%s'"), str);
 	  return 0;