diff --git a/gcc/testsuite/gcc.target/i386/pconfig-1.c b/gcc/testsuite/gcc.target/i386/pconfig-1.c
index a3fc4f411fee4ceaf98812ccece1451004364df8..40b4c0c12720128e971070276e8c30c139a9867a 100644
--- a/gcc/testsuite/gcc.target/i386/pconfig-1.c
+++ b/gcc/testsuite/gcc.target/i386/pconfig-1.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -mpconfig" } */
-/* { dg-final { scan-assembler-times "pconfig" 5 } } */
+/* { dg-final { scan-assembler-times {\tpconfig} 2 } } */
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/gcc.target/i386/pr18041-1.c b/gcc/testsuite/gcc.target/i386/pr18041-1.c
index 24da41a02ec993beb0a901a931f658048718383b..dafe5a82d333b07c6f32aeafa5b99310880e7eab 100644
--- a/gcc/testsuite/gcc.target/i386/pr18041-1.c
+++ b/gcc/testsuite/gcc.target/i386/pr18041-1.c
@@ -9,5 +9,5 @@ foo (struct B *b)
     b->bit0 = b->bit0 | b->bit1;
 }
 
-/* { dg-final { scan-assembler-times "and" 1 } } */
-/* { dg-final { scan-assembler-times "or" 1 } } */
+/* { dg-final { scan-assembler-times {\tand[l|q]} 1 } } */
+/* { dg-final { scan-assembler-times {\tor[l|q]} 1 } } */
diff --git a/gcc/testsuite/gcc.target/i386/pr18041-2.c b/gcc/testsuite/gcc.target/i386/pr18041-2.c
index 00ebd2ae36d5ff9f2c1a2125e3db5a3651354d16..1d7748bccc4ed70b3ddb84edab00654ac4415a5e 100644
--- a/gcc/testsuite/gcc.target/i386/pr18041-2.c
+++ b/gcc/testsuite/gcc.target/i386/pr18041-2.c
@@ -10,5 +10,5 @@ bar  (struct B *b, int x)
 }
 
 /* This fails to combine in 32bit mode but not for x32.  */
-/* { dg-final { scan-assembler-times "and" 1 { xfail { { ! x32 } && ilp32 } } } } */
-/* { dg-final { scan-assembler-times "or" 1 { xfail { { ! x32 } && ilp32 } } } } */
+/* { dg-final { scan-assembler-times {\tand[lq]} 1 { xfail { { ! x32 } && ilp32 } } } } */
+/* { dg-final { scan-assembler-times {\tor} 1 { xfail { { ! x32 } && ilp32 } } } } */
diff --git a/gcc/testsuite/gcc.target/i386/pr66819-3.c b/gcc/testsuite/gcc.target/i386/pr66819-3.c
index 3bc5a3471e61cc23bbecc86c12b7946a5ffdd0c3..76e3726b38ae560906822752bfd497b2d6a536a5 100644
--- a/gcc/testsuite/gcc.target/i386/pr66819-3.c
+++ b/gcc/testsuite/gcc.target/i386/pr66819-3.c
@@ -1,6 +1,6 @@
 /* { dg-do compile { target ia32 } } */
 /* { dg-options "-O2 -mregparm=3" } */
-/* { dg-final { scan-assembler-not "call" } } */
+/* { dg-final { scan-assembler-not {call[ \t]+_?bar} } } */
 
 void (*bar)(int, int);
 
diff --git a/gcc/testsuite/gcc.target/i386/pr66819-4.c b/gcc/testsuite/gcc.target/i386/pr66819-4.c
index 18b2ccf8120e625d5aedfd0111877df588ff1678..143360d0de38d3c7d22f5d4d785af96fa5c45704 100644
--- a/gcc/testsuite/gcc.target/i386/pr66819-4.c
+++ b/gcc/testsuite/gcc.target/i386/pr66819-4.c
@@ -1,6 +1,6 @@
 /* { dg-do compile { target ia32 } } */
 /* { dg-options "-O2 -mregparm=3" } */
-/* { dg-final { scan-assembler-not "call" } } */
+/* { dg-final { scan-assembler-not {call[ \t]+_?bar} } } */
 
 #include <stdarg.h>
 
diff --git a/gcc/testsuite/gcc.target/i386/pr82662.c b/gcc/testsuite/gcc.target/i386/pr82662.c
index 8a9332b5c5bfb82a9f4421bab3f8ad602b8b3ad8..ec08edc9824e5b90abf5eea350a2627b465233d5 100644
--- a/gcc/testsuite/gcc.target/i386/pr82662.c
+++ b/gcc/testsuite/gcc.target/i386/pr82662.c
@@ -23,4 +23,4 @@ int f9 (S x, S y) { return x >= y; }
 int f10 (S x, S y) { return x < y; }
 int f11 (S x, S y) { return x <= y; }
 
-/* { dg-final { scan-assembler-times {\mset} 12 } } */
+/* { dg-final { scan-assembler-times {\tset} 12 } } */
diff --git a/gcc/testsuite/gcc.target/i386/ptwrite2.c b/gcc/testsuite/gcc.target/i386/ptwrite2.c
index bd144fc0779305e9f9720b930569365fdecdf90c..be6b23eb838e7e8de58f5f6b3a8d1b21acee2635 100644
--- a/gcc/testsuite/gcc.target/i386/ptwrite2.c
+++ b/gcc/testsuite/gcc.target/i386/ptwrite2.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -mptwrite " } */
-/* { dg-final { scan-assembler "ptwrite\[^\n\r\]+r" } } */
-/* { dg-final { scan-assembler "ptwrite\[^\n\r\]+e" } } */
+/* { dg-final { scan-assembler {ptwrite[^\n\r]+%eax} } } */
+/* { dg-final { scan-assembler {ptwrite[^\n\r]+%rax} { target lp64 } } } */
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/gcc.target/i386/wbinvd-1.c b/gcc/testsuite/gcc.target/i386/wbinvd-1.c
index 7854cc2267961edfd0c155ec4b43dbd9929e566f..9290d9b1945c68a07475d405564681ad3c1f6150 100644
--- a/gcc/testsuite/gcc.target/i386/wbinvd-1.c
+++ b/gcc/testsuite/gcc.target/i386/wbinvd-1.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O2" } */
-/* { dg-final { scan-assembler-times "wbinvd" 2 } } */
+/* { dg-final { scan-assembler-times {\twbinvd} 1 } } */
 
 #include "immintrin.h"
 
diff --git a/gcc/testsuite/gcc.target/i386/wbnoinvd-1.c b/gcc/testsuite/gcc.target/i386/wbnoinvd-1.c
index bda84cd4c9437bf29eb19fb11495ab3a685152fa..697f148b26cec577e702e427d06164a08728e1d2 100644
--- a/gcc/testsuite/gcc.target/i386/wbnoinvd-1.c
+++ b/gcc/testsuite/gcc.target/i386/wbnoinvd-1.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -mwbnoinvd" } */
-/* { dg-final { scan-assembler-times "wbnoinvd" 2 } } */
+/* { dg-final { scan-assembler-times {\twbnoinvd} 1 } } */
 
 #include "x86intrin.h"