GAS/MIPS: add "--defsym r6=" for default when it's r6

  * testsuite/gas/mips/mips.exp (mips_arch_create): Add "--defsym r6=" to as_flags for r6 targets.

gas/ChangeLog

diff --git a/gas/ChangeLog b/gas/ChangeLog
index c7ff5ca..cbe2a57 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2023-11-15  YunQiang Su  <yunqiang.su@cipunited.com>
+
+	* testsuite/gas/mips/mips.exp (mips_arch_create): Add "--defsym
+	r6=" to as_flags for r6 targets.
+
 2023-11-15  Arsen Arsenović  <arsen@aarsen.me>
 
 	* aclocal.m4: Regenerate.

gas/testsuite/gas/mips/mips.exp

diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index dd52d5a..777ae65 100644
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -163,6 +163,11 @@
     	    set archdata(as_flags) ""
 	    set archdata(objdump_flags) ""
 
+	    if { [string compare $arch mips32r6] == 0
+		 ||  [string compare $arch mips64r6] == 0} {
+		set archdata(as_flags) "--defsym r6="
+	    }
+
 	    set mips_arches(default) [array get archdata]
 	    break
 	}