diff --git a/gcc/testsuite/gcc.dg/combine_ashiftrt_1.c b/gcc/testsuite/gcc.dg/combine_ashiftrt_1.c
--- a/gcc/testsuite/gcc.dg/combine_ashiftrt_1.c
+++ b/gcc/testsuite/gcc.dg/combine_ashiftrt_1.c
@@ -1,4 +1,5 @@
-/* { dg-do compile {target sparc64*-*-* aarch64*-*-* x86_64-*-* powerpc64*-*-*} } */
+/* { dg-do compile { target aarch64*-*-* i?86-*-* powerpc*-*-* sparc*-*-* x86_64-*-* } } */
+/* { dg-require-effective-target lp64 } */
 /* { dg-options "-O2 -fdump-rtl-combine-all" } */
 
 typedef long long int int64_t;
diff --git a/gcc/testsuite/gcc.dg/combine_ashiftrt_2.c b/gcc/testsuite/gcc.dg/combine_ashiftrt_2.c
--- a/gcc/testsuite/gcc.dg/combine_ashiftrt_2.c
+++ b/gcc/testsuite/gcc.dg/combine_ashiftrt_2.c
@@ -1,4 +1,5 @@
-/* { dg-do compile {target arm*-*-* i?86-*-* powerpc-*-* sparc-*-*} } */
+/* { dg-do compile { target arm*-*-* i?86-*-* powerpc*-*-* sparc*-*-* x86_64-*-* } } */
+/* { dg-require-effective-target ilp32 } */
 /* { dg-options "-O2 -fdump-rtl-combine-all" } */
 
 typedef long int32_t;