diff --git a/gas/testsuite/gas/loongarch/no_thin_add_sub.d b/gas/testsuite/gas/loongarch/no_thin_add_sub.d
new file mode 100644
index 00000000000..614aca71d66
--- /dev/null
+++ b/gas/testsuite/gas/loongarch/no_thin_add_sub.d
@@ -0,0 +1,66 @@
+#as:
+#objdump: -Dr
+
+.*:[    ]+file format .*
+
+
+Disassembly of section .text:
+
+00000000.* <.L1>:
+[ 	]+...
+[ 	]+0:[ 	]+R_LARCH_ADD32[ 	]+.L3
+[ 	]+0:[ 	]+R_LARCH_SUB32[ 	]+.L1
+[ 	]+4:[ 	]+R_LARCH_ADD32[ 	]+.L3
+[ 	]+4:[ 	]+R_LARCH_SUB32[ 	]+.L1
+
+0*00000008[ 	]+<.L2>:
+[ 	]+...
+[ 	]+8:[ 	]+R_LARCH_ADD64[ 	]+.L3
+[ 	]+8:[ 	]+R_LARCH_SUB64[ 	]+.L2
+[ 	]+10:[ 	]+R_LARCH_ADD64[ 	]+.L3
+[ 	]+10:[ 	]+R_LARCH_SUB64[ 	]+.L2
+
+Disassembly[ 	]+of[ 	]+section[ 	]+sx:
+
+0*00000000[ 	]+<.L3>:
+[ 	]+0:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
+[ 	]+4:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
+[ 	]+8:[ 	]+ffffffff[ 	]+.word[ 	]+0xffffffff
+
+0*0000000c[ 	]+<.L4>:
+[ 	]+...
+[ 	]+c:[ 	]+R_LARCH_ADD32[ 	]+.L4
+[ 	]+c:[ 	]+R_LARCH_SUB32[ 	]+.L5
+[ 	]+10:[ 	]+R_LARCH_ADD64[ 	]+.L4
+[ 	]+10:[ 	]+R_LARCH_SUB64[ 	]+.L5
+
+Disassembly[ 	]+of[ 	]+section[ 	]+sy:
+
+0*00000000[ 	]+<.L5>:
+[ 	]+...
+[ 	]+0:[ 	]+R_LARCH_ADD32[ 	]+.L1
+[ 	]+0:[ 	]+R_LARCH_SUB32[ 	]+.L5
+[ 	]+4:[ 	]+R_LARCH_ADD32[ 	]+.L3
+[ 	]+4:[ 	]+R_LARCH_SUB32[ 	]+.L5
+[ 	]+8:[ 	]+R_LARCH_ADD64[ 	]+.L1
+[ 	]+8:[ 	]+R_LARCH_SUB64[ 	]+.L5
+[ 	]+10:[ 	]+R_LARCH_ADD64[ 	]+.L3
+[ 	]+10:[ 	]+R_LARCH_SUB64[ 	]+.L5
+
+Disassembly[ 	]+of[ 	]+section[ 	]+sz:
+
+0*00000000[ 	]+<sz>:
+[ 	]+0:[ 	]+00000000[ 	]+.word[ 	]+0x00000000
+[ 	]+0:[ 	]+R_LARCH_ADD32[ 	]+.L1
+[ 	]+0:[ 	]+R_LARCH_SUB32[ 	]+.L2
+[ 	]+4:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
+[ 	]+...
+[ 	]+8:[ 	]+R_LARCH_ADD32[ 	]+.L3
+[ 	]+8:[ 	]+R_LARCH_SUB32[ 	]+.L5
+[ 	]+c:[ 	]+R_LARCH_ADD64[ 	]+.L1
+[ 	]+c:[ 	]+R_LARCH_SUB64[ 	]+.L2
+[ 	]+14:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
+[ 	]+18:[ 	]+ffffffff[ 	]+.word[ 	]+0xffffffff
+[ 	]+...
+[ 	]+1c:[ 	]+R_LARCH_ADD64[ 	]+.L3
+[ 	]+1c:[ 	]+R_LARCH_SUB64[ 	]+.L5
diff --git a/gas/testsuite/gas/loongarch/no_thin_add_sub.s b/gas/testsuite/gas/loongarch/no_thin_add_sub.s
new file mode 100644
index 00000000000..c680168956f
--- /dev/null
+++ b/gas/testsuite/gas/loongarch/no_thin_add_sub.s
@@ -0,0 +1,44 @@
+  .section .text
+.L1:
+  # add32+sub32
+  .4byte .L3-.L1
+  .4byte .L3-.L1
+.L2:
+  # add64+sub64
+  .8byte .L3-.L2
+  .8byte .L3-.L2
+
+  .section sx
+.L3:
+  # no relocation
+  .4byte .L3-.L4
+  .8byte .L3-.L4
+.L4:
+  # add32+sub32
+  .4byte .L4-.L5
+  # add64+sub64
+  .8byte .L4-.L5
+
+  .section sy
+.L5:
+  # add32+sub32
+  .4byte .L1-.L5
+  .4byte .L3-.L5
+  # add64+sub64
+  .8byte .L1-.L5
+  .8byte .L3-.L5
+
+  .section sz
+  # add32+sub32
+  .4byte .L1-.L2
+  # no relocation
+  .4byte .L3-.L4
+  # add32+sub32
+  .4byte .L3-.L5
+
+  # add64+sub64
+  .8byte .L1-.L2
+  # no relocation
+  .8byte .L3-.L4
+  # add64+sub64
+  .8byte .L3-.L5
diff --git a/gas/testsuite/gas/loongarch/pcrel_norelax.d b/gas/testsuite/gas/loongarch/thin_add_sub_norelax.d
similarity index 75%
rename from gas/testsuite/gas/loongarch/pcrel_norelax.d
rename to gas/testsuite/gas/loongarch/thin_add_sub_norelax.d
index 842c8d48e0e..702093b6997 100644
--- a/gas/testsuite/gas/loongarch/pcrel_norelax.d
+++ b/gas/testsuite/gas/loongarch/thin_add_sub_norelax.d
@@ -1,4 +1,4 @@
-#as: -mno-relax
+#as: -mthin-add-sub -mno-relax
 #objdump: -Dr
 
 .*:[    ]+file format .*
@@ -10,20 +10,17 @@ Disassembly of section .text:
 [ 	]+...
 [ 	]+0:[ 	]+R_LARCH_32_PCREL[ 	]+.L3
 [ 	]+4:[ 	]+R_LARCH_32_PCREL[ 	]+.L3\+0x4
-
-0*00000008[ ]+<.L2>:
-[ 	]+...
 [ 	]+8:[ 	]+R_LARCH_64_PCREL[ 	]+.L3
 [ 	]+10:[ 	]+R_LARCH_64_PCREL[ 	]+.L3\+0x8
 
 Disassembly[ 	]+of[ 	]+section[ 	]+sx:
 
-0*00000000[ ]+<.L3>:
+0*00000000[ 	]+<.L3>:
 [ 	]+0:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
 [ 	]+4:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
 [ 	]+8:[ 	]+ffffffff[ 	]+.word[ 	]+0xffffffff
 
-0*0000000c[ ]+<.L4>:
+0*0000000c[ 	]+<.L4>:
 [ 	]+...
 [ 	]+c:[ 	]+R_LARCH_ADD32[ 	]+.L4
 [ 	]+c:[ 	]+R_LARCH_SUB32[ 	]+.L5
@@ -32,25 +29,25 @@ Disassembly[ 	]+of[ 	]+section[ 	]+sx:
 
 Disassembly[ 	]+of[ 	]+section[ 	]+sy:
 
-0*00000000[ ]+<.L5>:
+0*00000000[ 	]+<.L5>:
 [ 	]+...
 [ 	]+0:[ 	]+R_LARCH_32_PCREL[ 	]+.L1
-[ 	]+4:[ 	]+R_LARCH_32_PCREL[ 	]+.L2\+0x4
+[ 	]+4:[ 	]+R_LARCH_32_PCREL[ 	]+.L3\+0x4
 [ 	]+8:[ 	]+R_LARCH_64_PCREL[ 	]+.L1\+0x8
-[ 	]+10:[ 	]+R_LARCH_64_PCREL[ 	]+.L2\+0x10
+[ 	]+10:[ 	]+R_LARCH_64_PCREL[ 	]+.L3\+0x10
 
 Disassembly[ 	]+of[ 	]+section[ 	]+sz:
 
-0*00000000[ ]+<sz>:
+0*00000000[ 	]+<sz>:
 [ 	]+0:[ 	]+fffffff8[ 	]+.word[ 	]+0xfffffff8
 [ 	]+4:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
 [ 	]+8:[ 	]+00000000[ 	]+.word[ 	]+0x00000000
-[ 	]+8:[ 	]+R_LARCH_ADD32[ 	]+.L2
-[ 	]+8:[ 	]+R_LARCH_SUB32[ 	]+.L3
+[ 	]+8:[ 	]+R_LARCH_ADD32[ 	]+.L3
+[ 	]+8:[ 	]+R_LARCH_SUB32[ 	]+.L5
 [ 	]+c:[ 	]+fffffff8[ 	]+.word[ 	]+0xfffffff8
 [ 	]+10:[ 	]+ffffffff[ 	]+.word[ 	]+0xffffffff
 [ 	]+14:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
 [ 	]+18:[ 	]+ffffffff[ 	]+.word[ 	]+0xffffffff
 [ 	]+...
-[ 	]+1c:[ 	]+R_LARCH_ADD64[ 	]+.L2
-[ 	]+1c:[ 	]+R_LARCH_SUB64[ 	]+.L3
+[ 	]+1c:[ 	]+R_LARCH_ADD64[ 	]+.L3
+[ 	]+1c:[ 	]+R_LARCH_SUB64[ 	]+.L5
diff --git a/gas/testsuite/gas/loongarch/pcrel_norelax.s b/gas/testsuite/gas/loongarch/thin_add_sub_norelax.s
similarity index 87%
rename from gas/testsuite/gas/loongarch/pcrel_norelax.s
rename to gas/testsuite/gas/loongarch/thin_add_sub_norelax.s
index 09527f146a9..94cfd90870c 100644
--- a/gas/testsuite/gas/loongarch/pcrel_norelax.s
+++ b/gas/testsuite/gas/loongarch/thin_add_sub_norelax.s
@@ -23,20 +23,20 @@
 .L5:
   # 32_pcrel
   .4byte .L1-.L5
-  .4byte .L2-.L5
+  .4byte .L3-.L5
   # 64_pcrel
   .8byte .L1-.L5
-  .8byte .L2-.L5
+  .8byte .L3-.L5
 
   .section sz
   # no relocation
   .4byte .L1-.L2
   .4byte .L3-.L4
   # add32+sub32
-  .4byte .L2-.L3
+  .4byte .L3-.L5
 
   # no relocation
   .8byte .L1-.L2
   .8byte .L3-.L4
   # add64+sub64
-  .8byte .L2-.L3
+  .8byte .L3-.L5
diff --git a/gas/testsuite/gas/loongarch/pcrel_relax.d b/gas/testsuite/gas/loongarch/thin_add_sub_relax.d
similarity index 91%
rename from gas/testsuite/gas/loongarch/pcrel_relax.d
rename to gas/testsuite/gas/loongarch/thin_add_sub_relax.d
index d6f875259be..9455c3e66bf 100644
--- a/gas/testsuite/gas/loongarch/pcrel_relax.d
+++ b/gas/testsuite/gas/loongarch/thin_add_sub_relax.d
@@ -1,4 +1,4 @@
-#as:
+#as: -mthin-add-sub
 #objdump: -Dr
 
 .*:[    ]+file format .*
@@ -12,7 +12,7 @@ Disassembly of section .text:
 [ 	]+4:[ 	]+R_LARCH_ADD32[ 	]+.L3
 [ 	]+4:[ 	]+R_LARCH_SUB32[ 	]+.L1
 
-0*00000008[ ]+<.L2>:
+0*00000008[ 	]+<.L2>:
 [ 	]+...
 [ 	]+8:[ 	]+R_LARCH_64_PCREL[ 	]+.L3
 [ 	]+10:[ 	]+R_LARCH_ADD64[ 	]+.L3
@@ -20,12 +20,12 @@ Disassembly of section .text:
 
 Disassembly[ 	]+of[ 	]+section[ 	]+sx:
 
-0*00000000[ ]+<.L3>:
+0*00000000[ 	]+<.L3>:
 [ 	]+0:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
 [ 	]+4:[ 	]+fffffff4[ 	]+.word[ 	]+0xfffffff4
 [ 	]+8:[ 	]+ffffffff[ 	]+.word[ 	]+0xffffffff
 
-0*0000000c[ ]+<.L4>:
+0*0000000c[ 	]+<.L4>:
 [ 	]+...
 [ 	]+c:[ 	]+R_LARCH_ADD32[ 	]+.L4
 [ 	]+c:[ 	]+R_LARCH_SUB32[ 	]+.L5
@@ -34,7 +34,7 @@ Disassembly[ 	]+of[ 	]+section[ 	]+sx:
 
 Disassembly[ 	]+of[ 	]+section[ 	]+sy:
 
-0*00000000[ ]+<.L5>:
+0*00000000[ 	]+<.L5>:
 [ 	]+...
 [ 	]+0:[ 	]+R_LARCH_32_PCREL[ 	]+.L1
 [ 	]+4:[ 	]+R_LARCH_32_PCREL[ 	]+.L3\+0x4
@@ -43,7 +43,7 @@ Disassembly[ 	]+of[ 	]+section[ 	]+sy:
 
 Disassembly[ 	]+of[ 	]+section[ 	]+sz:
 
-0*00000000[ ]+<sz>:
+0*00000000[ 	]+<sz>:
 [ 	]+0:[ 	]+00000000[ 	]+.word[ 	]+0x00000000
 [ 	]+0:[ 	]+R_LARCH_ADD32[ 	]+.L1
 [ 	]+0:[ 	]+R_LARCH_SUB32[ 	]+.L2
diff --git a/gas/testsuite/gas/loongarch/pcrel_relax.s b/gas/testsuite/gas/loongarch/thin_add_sub_relax.s
similarity index 100%
rename from gas/testsuite/gas/loongarch/pcrel_relax.s
rename to gas/testsuite/gas/loongarch/thin_add_sub_relax.s
