diff --git a/compiler-rt/lib/builtins/arm/aeabi_memcmp.S b/compiler-rt/lib/builtins/arm/aeabi_memcmp.S
index 33ea54848b26..e86d6113760e 100644
--- a/compiler-rt/lib/builtins/arm/aeabi_memcmp.S
+++ b/compiler-rt/lib/builtins/arm/aeabi_memcmp.S
@@ -14,7 +14,13 @@
         .syntax unified
         .p2align 2
 DEFINE_COMPILERRT_FUNCTION(__aeabi_memcmp)
+#ifdef USE_THUMB_1
+        push    {r7, lr}
+        bl      memcmp
+        pop     {r7, pc}
+#else
         b       memcmp
+#endif
 END_COMPILERRT_FUNCTION(__aeabi_memcmp)
 
 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp4, __aeabi_memcmp)
diff --git a/compiler-rt/lib/builtins/arm/aeabi_memcpy.S b/compiler-rt/lib/builtins/arm/aeabi_memcpy.S
index eabfa490494c..e83c5fd4dbb3 100644
--- a/compiler-rt/lib/builtins/arm/aeabi_memcpy.S
+++ b/compiler-rt/lib/builtins/arm/aeabi_memcpy.S
@@ -14,7 +14,13 @@
         .syntax unified
         .p2align 2
 DEFINE_COMPILERRT_FUNCTION(__aeabi_memcpy)
+#ifdef USE_THUMB_1
+        push    {r7, lr}
+        bl      memcpy
+        pop     {r7, pc}
+#else
         b       memcpy
+#endif
 END_COMPILERRT_FUNCTION(__aeabi_memcpy)
 
 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy4, __aeabi_memcpy)
diff --git a/compiler-rt/lib/builtins/arm/aeabi_memmove.S b/compiler-rt/lib/builtins/arm/aeabi_memmove.S
index 1bf08c0d5b75..ee28300e46f2 100644
--- a/compiler-rt/lib/builtins/arm/aeabi_memmove.S
+++ b/compiler-rt/lib/builtins/arm/aeabi_memmove.S
@@ -13,7 +13,13 @@
 
         .p2align 2
 DEFINE_COMPILERRT_FUNCTION(__aeabi_memmove)
+#ifdef USE_THUMB_1
+        push    {r7, lr}
+        bl      memmove
+        pop     {r7, pc}
+#else
         b       memmove
+#endif
 END_COMPILERRT_FUNCTION(__aeabi_memmove)
 
 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memmove4, __aeabi_memmove)
diff --git a/compiler-rt/lib/builtins/arm/aeabi_memset.S b/compiler-rt/lib/builtins/arm/aeabi_memset.S
index b8022d9e6a40..0a678d7627e7 100644
--- a/compiler-rt/lib/builtins/arm/aeabi_memset.S
+++ b/compiler-rt/lib/builtins/arm/aeabi_memset.S
@@ -18,7 +18,13 @@ DEFINE_COMPILERRT_FUNCTION(__aeabi_memset)
         mov     r3, r1
         mov     r1, r2
         mov     r2, r3
+#ifdef USE_THUMB_1
+        push    {r7, lr}
+        bl      memset
+        pop     {r7, pc}
+#else
         b       memset
+#endif
 END_COMPILERRT_FUNCTION(__aeabi_memset)
 
 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset)
@@ -28,7 +34,13 @@ DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset)
 DEFINE_COMPILERRT_FUNCTION(__aeabi_memclr)
         mov     r2, r1
         movs    r1, #0
+#ifdef USE_THUMB_1
+        push    {r7, lr}
+        bl      memset
+        pop     {r7, pc}
+#else
         b       memset
+#endif
 END_COMPILERRT_FUNCTION(__aeabi_memclr)
 
 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr)