diff --git a/gcc/testsuite/gcc.target/arc/jli-1.c b/gcc/testsuite/gcc.target/arc/jli-1.c
index f7259b3..2ded750 100644
--- a/gcc/testsuite/gcc.target/arc/jli-1.c
+++ b/gcc/testsuite/gcc.target/arc/jli-1.c
@@ -14,6 +14,6 @@ int main()
   return func(100);
 }
 
-/* { dg-final { scan-assembler "jli_s @__jli.func" } } */
-/* { dg-final { scan-assembler ".weak __jli.func" } } */
+/* { dg-final { scan-assembler "jli_s\\\s+@__jli.func" } } */
+/* { dg-final { scan-assembler ".weak\\\s+__jli.func" } } */
 /* { dg-final { scan-assembler "b\\\s+@func" } } */
diff --git a/gcc/testsuite/gcc.target/arc/jli-2.c b/gcc/testsuite/gcc.target/arc/jli-2.c
index 96a35a4..347d5b4 100644
--- a/gcc/testsuite/gcc.target/arc/jli-2.c
+++ b/gcc/testsuite/gcc.target/arc/jli-2.c
@@ -14,6 +14,6 @@ int main()
   return func(100);
 }
 
-/* { dg-final { scan-assembler "jli_s 2" } } */
+/* { dg-final { scan-assembler "jli_s\\\s+2" } } */
 /* { dg-final { scan-assembler-not ".weak __jli.func" } } */
 /* { dg-final { scan-assembler-not "b\\\s+@func" } } */
diff --git a/gcc/testsuite/gcc.target/arc/naked-1.c b/gcc/testsuite/gcc.target/arc/naked-1.c
index e45f433f..3705f40 100644
--- a/gcc/testsuite/gcc.target/arc/naked-1.c
+++ b/gcc/testsuite/gcc.target/arc/naked-1.c
@@ -9,10 +9,10 @@ foo (int n, int m)
 {
   bar (n + m);
 }
-/* { dg-final { scan-assembler "\tbl @bar" } } */
+/* { dg-final { scan-assembler "\tbl\\\s+@bar" } } */
 
 /* Look for things that would appear in a non-naked function, but which
    should not appear in a naked function.  */
-/* { dg-final { scan-assembler-not "\tj.* \\\[blink\\\]" } } */
-/* { dg-final { scan-assembler-not "\tst.* " } } */
-/* { dg-final { scan-assembler-not "\tmov fp,sp" } } */
+/* { dg-final { scan-assembler-not "\tj.*\\\s+\\\[blink\\\]" } } */
+/* { dg-final { scan-assembler-not "\tst.*\\\s+" } } */
+/* { dg-final { scan-assembler-not "\tmov\\\s+fp,sp" } } */
diff --git a/gcc/testsuite/gcc.target/arc/naked-2.c b/gcc/testsuite/gcc.target/arc/naked-2.c
index 7b7262f..271633e 100644
--- a/gcc/testsuite/gcc.target/arc/naked-2.c
+++ b/gcc/testsuite/gcc.target/arc/naked-2.c
@@ -16,11 +16,11 @@ foo (int n, int m)
 {
   bar (n + m);
 }
-/* { dg-final { scan-assembler "\tbl @bar" } } */
+/* { dg-final { scan-assembler "\tbl\\\s+@bar" } } */
 
 /* Look for things that would appear in a non-naked function, but which
    should not appear in a naked function.  */
 /* { dg-final { scan-assembler-not "\trtie" } } */
 /* { dg-final { scan-assembler-not "j.*\[ilink1\]" } } */
-/* { dg-final { scan-assembler-not "\tst.* " } } */
-/* { dg-final { scan-assembler-not "\tmov fp,sp" } } */
+/* { dg-final { scan-assembler-not "\tst.*\\\s+" } } */
+/* { dg-final { scan-assembler-not "\tmov\\\s+fp,sp" } } */
diff --git a/gcc/testsuite/gcc.target/arc/tmac-1.c b/gcc/testsuite/gcc.target/arc/tmac-1.c
index 5b302ca..797d028 100644
--- a/gcc/testsuite/gcc.target/arc/tmac-1.c
+++ b/gcc/testsuite/gcc.target/arc/tmac-1.c
@@ -5,7 +5,7 @@
 /* Test MAC operation for MPY_OPTION = 8.  */
 #include "tmac.h"
 
-/* { dg-final { scan-assembler "macd " } } */
+/* { dg-final { scan-assembler "macd\\\s+" } } */
 /* { dg-final { scan-assembler "macdu" } } */
-/* { dg-final { scan-assembler "mpyd\\t" } } */
+/* { dg-final { scan-assembler "mpyd\\\s+" } } */
 /* { dg-final { scan-assembler "mpydu" } } */
diff --git a/gcc/testsuite/gcc.target/arc/tmac-2.c b/gcc/testsuite/gcc.target/arc/tmac-2.c
index 2bd051b..2af7fc1 100644
--- a/gcc/testsuite/gcc.target/arc/tmac-2.c
+++ b/gcc/testsuite/gcc.target/arc/tmac-2.c
@@ -5,7 +5,7 @@
 /* Test MAC operation for MPY_OPTION = 7.  */
 #include "tmac.h"
 
-/* { dg-final { scan-assembler "mac " } } */
+/* { dg-final { scan-assembler "mac\\\s+" } } */
 /* { dg-final { scan-assembler "macu" } } */
-/* { dg-final { scan-assembler "mpym\\t" } } */
+/* { dg-final { scan-assembler "mpym\\\s+" } } */
 /* { dg-final { scan-assembler "mpymu" } } */