diff --git a/gcc/testsuite/g++.dg/abi/forced.C b/gcc/testsuite/g++.dg/abi/forced.C
index 0e6be28..2d1ec53 100644
--- a/gcc/testsuite/g++.dg/abi/forced.C
+++ b/gcc/testsuite/g++.dg/abi/forced.C
@@ -1,4 +1,4 @@
-// { dg-do run { target *-*-linux* *-*-gnu* } }
+// { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } }
 // { dg-options "-pthread" }
 
 #include <pthread.h>
diff --git a/gcc/testsuite/g++.dg/abi/guard2.C b/gcc/testsuite/g++.dg/abi/guard2.C
index c35fa7e..74139a8 100644
--- a/gcc/testsuite/g++.dg/abi/guard2.C
+++ b/gcc/testsuite/g++.dg/abi/guard2.C
@@ -1,6 +1,6 @@
 // PR c++/41611
 // Test that the guard gets its own COMDAT group.
-// { dg-final { scan-assembler "_ZGVZN1A1fEvE1i,comdat" { target *-*-linux* *-*-gnu* } } }
+// { dg-final { scan-assembler "_ZGVZN1A1fEvE1i,comdat" { target *-*-linux* *-*-gnu* *-*-uclinux* } } }
 
 struct A {
   static int f()
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-10.C b/gcc/testsuite/g++.dg/ext/cleanup-10.C
index 66c7b76..56aeb66 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-10.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-10.C
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through signal frames
    on alternate stack.  */
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-11.C b/gcc/testsuite/g++.dg/ext/cleanup-11.C
index 6e96521..c6d3560 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-11.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-11.C
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through realtime signal
    frames on alternate stack.  */
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-8.C b/gcc/testsuite/g++.dg/ext/cleanup-8.C
index ccf9bef..e99508d 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-8.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-8.C
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through signal
    frames.  */
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-9.C b/gcc/testsuite/g++.dg/ext/cleanup-9.C
index dcdfcae..45e5f90 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-9.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-9.C
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through realtime
    signal frames.  */
diff --git a/gcc/testsuite/g++.dg/ext/sync-4.C b/gcc/testsuite/g++.dg/ext/sync-4.C
index 47aa1e3..409f526 100644
--- a/gcc/testsuite/g++.dg/ext/sync-4.C
+++ b/gcc/testsuite/g++.dg/ext/sync-4.C
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-require-effective-target sync_long_long_runtime } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* { dg-additional-options "-march=pentium" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
diff --git a/gcc/testsuite/g++.dg/ipa/comdat.C b/gcc/testsuite/g++.dg/ipa/comdat.C
index 1945e32..f3df99a 100644
--- a/gcc/testsuite/g++.dg/ipa/comdat.C
+++ b/gcc/testsuite/g++.dg/ipa/comdat.C
@@ -1,4 +1,4 @@
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-ipa-comdats"  } */
 #include <stdio.h>
 __attribute__ ((noinline))
diff --git a/gcc/testsuite/gcc.dg/20041106-1.c b/gcc/testsuite/gcc.dg/20041106-1.c
index cba4a06..95579ff 100644
--- a/gcc/testsuite/gcc.dg/20041106-1.c
+++ b/gcc/testsuite/gcc.dg/20041106-1.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target *-*-linux* *-*-gnu* *-*-solaris* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-solaris* *-*-uclinux* } } */
 /* { dg-options -O2 } */
 
 #include <sys/types.h>
diff --git a/gcc/testsuite/gcc.dg/cleanup-10.c b/gcc/testsuite/gcc.dg/cleanup-10.c
index 16035b1..a9c0461 100644
--- a/gcc/testsuite/gcc.dg/cleanup-10.c
+++ b/gcc/testsuite/gcc.dg/cleanup-10.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through signal frames
    on alternate stack.  */
diff --git a/gcc/testsuite/gcc.dg/cleanup-11.c b/gcc/testsuite/gcc.dg/cleanup-11.c
index ccc61ed..53d09be 100644
--- a/gcc/testsuite/gcc.dg/cleanup-11.c
+++ b/gcc/testsuite/gcc.dg/cleanup-11.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through realtime signal
    frames on alternate stack.  */
diff --git a/gcc/testsuite/gcc.dg/cleanup-8.c b/gcc/testsuite/gcc.dg/cleanup-8.c
index 553c038..53a6366 100644
--- a/gcc/testsuite/gcc.dg/cleanup-8.c
+++ b/gcc/testsuite/gcc.dg/cleanup-8.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through signal
    frames.  */
diff --git a/gcc/testsuite/gcc.dg/cleanup-9.c b/gcc/testsuite/gcc.dg/cleanup-9.c
index fe28072..e0ab2d1 100644
--- a/gcc/testsuite/gcc.dg/cleanup-9.c
+++ b/gcc/testsuite/gcc.dg/cleanup-9.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through realtime
    signal frames.  */
diff --git a/gcc/testsuite/gcc.dg/fdata-sections-1.c b/gcc/testsuite/gcc.dg/fdata-sections-1.c
index 51686b9..e8a6639 100644
--- a/gcc/testsuite/gcc.dg/fdata-sections-1.c
+++ b/gcc/testsuite/gcc.dg/fdata-sections-1.c
@@ -1,7 +1,7 @@
 /* PR middle-end/15486 */
 /* Origin: Jonathan Larmour <jifl-bugzilla@jifvik.org> */
 
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-fdata-sections" } */
 
 int x;
diff --git a/gcc/testsuite/gcc.dg/fdata-sections-2.c b/gcc/testsuite/gcc.dg/fdata-sections-2.c
index dda90ba7..48d44a2 100644
--- a/gcc/testsuite/gcc.dg/fdata-sections-2.c
+++ b/gcc/testsuite/gcc.dg/fdata-sections-2.c
@@ -4,7 +4,7 @@
 /* This checks that string constants are put in per-function rodata
    sections, so that they can be garbage collected.  */
 
-/* { dg-do compile { target *-*-linux* } } */
+/* { dg-do compile { target *-*-linux* *-*-uclinux* } } */
 /* { dg-options "-O -ffunction-sections -fdata-sections" } */
 
 const char *f1(void) { return "falderalde"; }
diff --git a/gcc/testsuite/gcc.dg/pr39323-1.c b/gcc/testsuite/gcc.dg/pr39323-1.c
index 7a7fd63..d84009c 100644
--- a/gcc/testsuite/gcc.dg/pr39323-1.c
+++ b/gcc/testsuite/gcc.dg/pr39323-1.c
@@ -1,5 +1,5 @@
 /* PR c/39323 - MAX_OFILE_ALIGNMENT in elfos.h is too big */
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 
 int foo __attribute__ ((aligned(1 << 29))) =  20; /* { dg-error "requested alignment" } */
 typedef int __attribute__ ((aligned(1 << 29))) int29; /* { dg-error "requested alignment" } */
diff --git a/gcc/testsuite/gcc.dg/pr39323-2.c b/gcc/testsuite/gcc.dg/pr39323-2.c
index a870729..6b6cb2e 100644
--- a/gcc/testsuite/gcc.dg/pr39323-2.c
+++ b/gcc/testsuite/gcc.dg/pr39323-2.c
@@ -1,5 +1,5 @@
 /* PR c/39323 */
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 
 int bar __attribute__ ((aligned(1 << 28))) =  20;
 
diff --git a/gcc/testsuite/gcc.dg/pr39323-3.c b/gcc/testsuite/gcc.dg/pr39323-3.c
index b452d3c..2e2c1a2 100644
--- a/gcc/testsuite/gcc.dg/pr39323-3.c
+++ b/gcc/testsuite/gcc.dg/pr39323-3.c
@@ -1,5 +1,5 @@
 /* PR c/39323 */
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 
 typedef int __attribute__ ((aligned(1 << 28))) int28;
 int28 foo = 20;
diff --git a/gcc/testsuite/gcc.dg/pr65780-1.c b/gcc/testsuite/gcc.dg/pr65780-1.c
index b586211..5e3226e 100644
--- a/gcc/testsuite/gcc.dg/pr65780-1.c
+++ b/gcc/testsuite/gcc.dg/pr65780-1.c
@@ -1,5 +1,5 @@
 /* PR target/65780 */
-/* { dg-do link { target *-*-linux* *-*-gnu* } } */
+/* { dg-do link { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2" } */
 
 int optopt;
diff --git a/gcc/testsuite/gcc.dg/pr65780-2.c b/gcc/testsuite/gcc.dg/pr65780-2.c
index bff3323..932cbe1 100644
--- a/gcc/testsuite/gcc.dg/pr65780-2.c
+++ b/gcc/testsuite/gcc.dg/pr65780-2.c
@@ -1,5 +1,5 @@
 /* PR target/65780 */
-/* { dg-do link { target *-*-linux* *-*-gnu* } } */
+/* { dg-do link { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-require-effective-target pie } */
 /* { dg-options "-O2 -fpie" } */
 
diff --git a/gcc/testsuite/gcc.dg/pr67338.c b/gcc/testsuite/gcc.dg/pr67338.c
index 0fdc302..7bfbef2 100644
--- a/gcc/testsuite/gcc.dg/pr67338.c
+++ b/gcc/testsuite/gcc.dg/pr67338.c
@@ -1,4 +1,4 @@
 /* PR c/67338 */
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 
 struct S { __attribute__((aligned (1 << 28))) double a; };
diff --git a/gcc/testsuite/gcc.dg/pr78185.c b/gcc/testsuite/gcc.dg/pr78185.c
index 405f748..d7781b2 100644
--- a/gcc/testsuite/gcc.dg/pr78185.c
+++ b/gcc/testsuite/gcc.dg/pr78185.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O" } */
 
 #include <unistd.h>
diff --git a/gcc/testsuite/gcc.dg/pr83100-1.c b/gcc/testsuite/gcc.dg/pr83100-1.c
index 233c1f6..ccfb8c6 100644
--- a/gcc/testsuite/gcc.dg/pr83100-1.c
+++ b/gcc/testsuite/gcc.dg/pr83100-1.c
@@ -1,5 +1,5 @@
 /* PR target/83100 */
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fcommon -fdata-sections" } */
 
 const int a;
diff --git a/gcc/testsuite/gcc.dg/pr83100-4.c b/gcc/testsuite/gcc.dg/pr83100-4.c
index bb26735..2f83247 100644
--- a/gcc/testsuite/gcc.dg/pr83100-4.c
+++ b/gcc/testsuite/gcc.dg/pr83100-4.c
@@ -1,5 +1,5 @@
 /* PR target/83100 */
-/* { dg-do compile { target *-*-linux* *-*-gnu* } } */
+/* { dg-do compile { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fno-common -fdata-sections" } */
 
 const int a;
diff --git a/gcc/testsuite/gcc.dg/strlenopt-12g.c b/gcc/testsuite/gcc.dg/strlenopt-12g.c
index f1dec1f..fb0eeb2 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-12g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-12g.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy function.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-14g.c b/gcc/testsuite/gcc.dg/strlenopt-14g.c
index 62a83bf..8bce645 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-14g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-14g.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy and mempcpy functions.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 /* Bionic targets don't have mempcpy */
 /* { dg-require-effective-target non_bionic } */
diff --git a/gcc/testsuite/gcc.dg/strlenopt-14gf.c b/gcc/testsuite/gcc.dg/strlenopt-14gf.c
index 8b126fc..cc9092b 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-14gf.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-14gf.c
@@ -1,6 +1,6 @@
 /* This test needs runtime that provides stpcpy, mempcpy and __*_chk
    functions.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 /* Bionic targets don't have mempcpy */
 /* { dg-require-effective-target non_bionic } */
diff --git a/gcc/testsuite/gcc.dg/strlenopt-16g.c b/gcc/testsuite/gcc.dg/strlenopt-16g.c
index 0cf8410..8b8f0d6 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-16g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-16g.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy function.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-17g.c b/gcc/testsuite/gcc.dg/strlenopt-17g.c
index 184e530..0d5f559 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-17g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-17g.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy function.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-18g.c b/gcc/testsuite/gcc.dg/strlenopt-18g.c
index f734675..e3706d2 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-18g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-18g.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy function.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-1f.c b/gcc/testsuite/gcc.dg/strlenopt-1f.c
index 856774d..bb320ab 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-1f.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-1f.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides __*_chk functions.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinu* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define FORTIFY_SOURCE 2
diff --git a/gcc/testsuite/gcc.dg/strlenopt-22g.c b/gcc/testsuite/gcc.dg/strlenopt-22g.c
index 9c5d020..348903f 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-22g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-22g.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy function.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-2f.c b/gcc/testsuite/gcc.dg/strlenopt-2f.c
index 1e915da..f61a8ba 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-2f.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-2f.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides __*_chk functions.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define FORTIFY_SOURCE 2
diff --git a/gcc/testsuite/gcc.dg/strlenopt-31g.c b/gcc/testsuite/gcc.dg/strlenopt-31g.c
index 45cc29c..3588b06 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-31g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-31g.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-33g.c b/gcc/testsuite/gcc.dg/strlenopt-33g.c
index 7d24d2b..8566782 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-33g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-33g.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-4g.c b/gcc/testsuite/gcc.dg/strlenopt-4g.c
index 879d566..c6a2d6f 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-4g.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-4g.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy function.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strlenopt-4gf.c b/gcc/testsuite/gcc.dg/strlenopt-4gf.c
index 7f261b7..2783c3b 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-4gf.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-4gf.c
@@ -1,5 +1,5 @@
 /* This test needs runtime that provides stpcpy and __*_chk functions.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2 -fdump-tree-strlen" } */
 
 #define USE_GNU
diff --git a/gcc/testsuite/gcc.dg/strncmp-2.c b/gcc/testsuite/gcc.dg/strncmp-2.c
index f5555ba..6818b30 100644
--- a/gcc/testsuite/gcc.dg/strncmp-2.c
+++ b/gcc/testsuite/gcc.dg/strncmp-2.c
@@ -1,5 +1,5 @@
 /* Test strncmp builtin expansion for compilation and proper execution.  */
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-options "-O2" } */
 /* { dg-require-effective-target ptr32plus } */
 
diff --git a/gcc/testsuite/gcc.dg/struct-ret-3.c b/gcc/testsuite/gcc.dg/struct-ret-3.c
index 4083bb4..4c0a0e6 100644
--- a/gcc/testsuite/gcc.dg/struct-ret-3.c
+++ b/gcc/testsuite/gcc.dg/struct-ret-3.c
@@ -1,7 +1,7 @@
 /* PR middle-end/31309 */
 /* Origin: Peeter Joot <peeterj@ca.ibm.com> */
 
-/* { dg-do run { target *-*-linux* *-*-gnu* } } */
+/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
 /* { dg-add-options stack_size } */
  
 #include <sys/mman.h>
diff --git a/gcc/testsuite/gcc.dg/torture/pr69760.c b/gcc/testsuite/gcc.dg/torture/pr69760.c
index 8f24608..53733c7 100644
--- a/gcc/testsuite/gcc.dg/torture/pr69760.c
+++ b/gcc/testsuite/gcc.dg/torture/pr69760.c
@@ -1,5 +1,5 @@
 /* PR tree-optimization/69760 */
-/* { dg-do run { target { { *-*-linux* *-*-gnu* } && mmap } } } */
+/* { dg-do run { target { { *-*-linux* *-*-gnu* *-*-uclinux* } && mmap } } } */
 /* { dg-options "-O2" } */
 
 #include <unistd.h>
diff --git a/gcc/testsuite/gcc.target/arm/div64-unwinding.c b/gcc/testsuite/gcc.target/arm/div64-unwinding.c
index 7f112ee..0944281 100644
--- a/gcc/testsuite/gcc.target/arm/div64-unwinding.c
+++ b/gcc/testsuite/gcc.target/arm/div64-unwinding.c
@@ -1,6 +1,6 @@
 /* Performing a 64-bit division should not pull in the unwinder.  */
 
-/* { dg-do run { target { ! *-*-linux* } } } */
+/* { dg-do run { target { { ! *-*-linux* } && { ! *-*-uclinux* } } } } */
 /* { dg-options "-O0" } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/gcc.target/arm/pr66912.c b/gcc/testsuite/gcc.target/arm/pr66912.c
index 27e4c45..7e6294c 100644
--- a/gcc/testsuite/gcc.target/arm/pr66912.c
+++ b/gcc/testsuite/gcc.target/arm/pr66912.c
@@ -1,4 +1,4 @@
-/* { dg-do compile { target *-*-linux* } } */
+/* { dg-do compile { target *-*-linux* arm*-*-uclinuxfdpiceabi } } */
 /* { dg-options "-O2 -fpic" } */
 
 __attribute__((visibility("protected")))
diff --git a/gcc/testsuite/gcc.target/arm/stack-checking.c b/gcc/testsuite/gcc.target/arm/stack-checking.c
index 4b53bed..9d1d2b0 100644
--- a/gcc/testsuite/gcc.target/arm/stack-checking.c
+++ b/gcc/testsuite/gcc.target/arm/stack-checking.c
@@ -1,4 +1,4 @@
-/* { dg-do run { target { *-*-linux* } } } */
+/* { dg-do run { target { *-*-linux* *-*-uclinux* } } } */
 /* { dg-require-stack-check "" } */
 /* { dg-options "-fstack-check" } */
 
diff --git a/gcc/testsuite/gcc.target/arm/synchronize.c b/gcc/testsuite/gcc.target/arm/synchronize.c
index 7ef10e2..912f407 100644
--- a/gcc/testsuite/gcc.target/arm/synchronize.c
+++ b/gcc/testsuite/gcc.target/arm/synchronize.c
@@ -1,4 +1,4 @@
-/* { dg-final { scan-assembler "__sync_synchronize|dmb|mcr" { target arm*-*-linux-* } } } */
+/* { dg-final { scan-assembler "__sync_synchronize|dmb|mcr" { target arm*-*-linux-* arm*-*-uclinux* } } } */
 
 void *foo (void)
 {
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 8e16efc..623bfd5 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -1168,6 +1168,7 @@ proc check_effective_target_pie { } {
 	 || [istarget *-*-dragonfly*]
 	 || [istarget *-*-freebsd*]
 	 || [istarget *-*-linux*]
+	 || [istarget arm*-*-uclinuxfdpiceabi]
 	 || [istarget *-*-gnu*] } {
 	return 1;
     }
@@ -6553,6 +6554,7 @@ proc check_effective_target_sync_long_long_runtime { } {
 	      } ""
 	  }])
 	 || [istarget aarch64*-*-*]
+	 || [istarget arm*-*-uclinuxfdpiceabi]
 	 || ([istarget arm*-*-linux-*]
 	     && [check_runtime sync_longlong_runtime {
 		 #include <stdlib.h>
@@ -6613,6 +6615,7 @@ proc check_effective_target_sync_int_long { } {
 	     || [istarget aarch64*-*-*]
 	     || [istarget alpha*-*-*] 
 	     || [istarget arm*-*-linux-*] 
+	     || [istarget arm*-*-uclinuxfdpiceabi] 
 	     || ([istarget arm*-*-*]
 		 && [check_effective_target_arm_acq_rel])
 	     || [istarget bfin*-*linux*]
@@ -6637,6 +6640,7 @@ proc check_effective_target_sync_char_short { } {
 	     || [istarget i?86-*-*] || [istarget x86_64-*-*]
 	     || [istarget alpha*-*-*] 
 	     || [istarget arm*-*-linux-*] 
+	     || [istarget arm*-*-uclinuxfdpiceabi] 
 	     || ([istarget arm*-*-*]
 		 && [check_effective_target_arm_acq_rel])
 	     || [istarget hppa*-*linux*]
