diff --git a/gcc/testsuite/c-c++-common/pr19807-2.c 
b/gcc/testsuite/c-c++-common/pr19807-2.c
index 529b9c97322..29a370304d3 100644
--- a/gcc/testsuite/c-c++-common/pr19807-2.c
+++ b/gcc/testsuite/c-c++-common/pr19807-2.c
@@ -6,7 +6,7 @@ int i;
  int main()
  {
    int a[4];
-  if ((char*)&a[1] + 4*i + 4 != (char*)&a[i+2])
+  if ((char*)&a[1] + __SIZEOF_INT__*i + __SIZEOF_INT__ != (char*)&a[i+2])
      link_error();
    return 0;
  }
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr103813.c 
b/gcc/testsuite/gcc.c-torture/compile/pr103813.c
index b3fc066beed..0aa64fb3152 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr103813.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr103813.c
@@ -1,4 +1,5 @@
  /* PR middle-end/103813 */
+/* { dg-require-effective-target size32plus } */

  struct A { char b; char c[0x21000000]; };
  struct A d;
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr96426.c 
b/gcc/testsuite/gcc.c-torture/compile/pr96426.c
index bd573fe5366..fdb441efc10 100644
--- a/gcc/testsuite/gcc.c-torture/compile/pr96426.c
+++ b/gcc/testsuite/gcc.c-torture/compile/pr96426.c
@@ -1,5 +1,7 @@
  /* PR middle-end/96426 */

+#if __SIZEOF_LONG_LONG__ == __SIZEOF_DOUBLE__
+
  typedef long long V __attribute__((vector_size(16)));
  typedef double W __attribute__((vector_size(16)));

@@ -8,3 +10,5 @@ foo (V *v)
  {
    __builtin_convertvector (*v, W);
  }
+
+#endif
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr103417.c 
b/gcc/testsuite/gcc.c-torture/execute/pr103417.c
index 0fef8908036..ea4b99030a5 100644
--- a/gcc/testsuite/gcc.c-torture/execute/pr103417.c
+++ b/gcc/testsuite/gcc.c-torture/execute/pr103417.c
@@ -1,4 +1,5 @@
  /* PR tree-optimization/103417 */
+/* { dg-require-effective-target int32plus } */

  struct { int a : 8; int b : 24; } c = { 0, 1 };

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr108498-2.c 
b/gcc/testsuite/gcc.c-torture/execute/pr108498-2.c
index ad930488c33..fdd628cbc86 100644
--- a/gcc/testsuite/gcc.c-torture/execute/pr108498-2.c
+++ b/gcc/testsuite/gcc.c-torture/execute/pr108498-2.c
@@ -1,4 +1,5 @@
  /* PR tree-optimization/108498 */
+/* { dg-require-effective-target int32plus } */

  struct U { char c[16]; };
  struct V { char c[16]; };
diff --git a/gcc/testsuite/gcc.dg/pr100292.c 
b/gcc/testsuite/gcc.dg/pr100292.c
index 675a60c3412..147c9324d81 100644
--- a/gcc/testsuite/gcc.dg/pr100292.c
+++ b/gcc/testsuite/gcc.dg/pr100292.c
@@ -1,4 +1,5 @@
  /* { dg-do compile } */
+/* { dg-require-effective-target int32 } */

  typedef unsigned char __attribute__((__vector_size__ (4))) V;

diff --git a/gcc/testsuite/gcc.dg/pr101008.c 
b/gcc/testsuite/gcc.dg/pr101008.c
index c06208d3425..8229769c6ac 100644
--- a/gcc/testsuite/gcc.dg/pr101008.c
+++ b/gcc/testsuite/gcc.dg/pr101008.c
@@ -1,6 +1,7 @@
  /* PR rtl-optimization/101008 */
  /* { dg-do compile } */
  /* { dg-options "-O2 -g" } */
+/* { dg-require-effective-target int32 } */

  typedef unsigned __attribute__((__vector_size__(32))) U;
  typedef unsigned __attribute__((__vector_size__(16))) V;
diff --git a/gcc/testsuite/gcc.dg/pr104198.c 
b/gcc/testsuite/gcc.dg/pr104198.c
index bfc7a777184..de86f49c9dc 100644
--- a/gcc/testsuite/gcc.dg/pr104198.c
+++ b/gcc/testsuite/gcc.dg/pr104198.c
@@ -3,6 +3,7 @@

  /* { dg-do run } */
  /* { dg-options "-O2 -std=c99" } */
+/* { dg-require-effective-target int32plus } */

  #include <limits.h>
  #include <assert.h>
diff --git a/gcc/testsuite/gcc.dg/pr21137.c b/gcc/testsuite/gcc.dg/pr21137.c
index 6d73deaee6c..199555a5017 100644
--- a/gcc/testsuite/gcc.dg/pr21137.c
+++ b/gcc/testsuite/gcc.dg/pr21137.c
@@ -1,5 +1,6 @@
  /* { dg-do compile } */
  /* { dg-options "-O2 -fdump-tree-optimized" } */
+/* { dg-require-effective-target int32plus } */

  void foo();

diff --git a/gcc/testsuite/gcc.dg/pr88905.c b/gcc/testsuite/gcc.dg/pr88905.c
index 89792f4abdb..fd2c2647325 100644
--- a/gcc/testsuite/gcc.dg/pr88905.c
+++ b/gcc/testsuite/gcc.dg/pr88905.c
@@ -2,6 +2,7 @@
  /* { dg-do compile } */
  /* { dg-options "-Og -fno-tree-ccp" } */
  /* { dg-additional-options "-mabm" { target { i?86-*-* x86_64-*-* } } } */
+/* { dg-require-effective-target int32plus } */

  int a, b, c;
  extern void baz (int);
diff --git a/gcc/testsuite/gcc.dg/pr90838.c b/gcc/testsuite/gcc.dg/pr90838.c
index 7502b846346..759059683a9 100644
--- a/gcc/testsuite/gcc.dg/pr90838.c
+++ b/gcc/testsuite/gcc.dg/pr90838.c
@@ -3,6 +3,7 @@
  /* { dg-additional-options "-mbmi" { target { { i?86-*-* x86_64-*-* } 
&& { ! { ia32 } } } } } */
  /* { dg-additional-options "-march=rv64gc_zbb" { target { rv64 } } } */
  /* { dg-additional-options "-march=rv32gc_zbb" { target { rv32 } } } */
+/* { dg-require-effective-target int32plus } */

  int ctz1 (unsigned x)
  {
diff --git a/gcc/testsuite/gcc.dg/pr96542.c b/gcc/testsuite/gcc.dg/pr96542.c
index 0aad2e9494e..1080be7e753 100644
--- a/gcc/testsuite/gcc.dg/pr96542.c
+++ b/gcc/testsuite/gcc.dg/pr96542.c
@@ -1,6 +1,6 @@
  /* { dg-do compile} */
  /* { dg-options "-O2 -fdump-tree-evrp" } */
-
+/* { dg-require-effective-target int32 } */

  unsigned char
  foo (unsigned int x)
diff --git a/gcc/testsuite/gcc.dg/pr96674.c b/gcc/testsuite/gcc.dg/pr96674.c
index 194ce2e6352..790cd85dcc9 100644
--- a/gcc/testsuite/gcc.dg/pr96674.c
+++ b/gcc/testsuite/gcc.dg/pr96674.c
@@ -1,5 +1,6 @@
  /* { dg-do run } */
  /* { dg-options "-O -fdump-tree-optimized -fwrapv" } */
+/* { dg-require-effective-target int32 } */

  #include <limits.h>
  #include <stdbool.h>
diff --git a/gcc/testsuite/gcc.dg/pr97317.c b/gcc/testsuite/gcc.dg/pr97317.c
index f07327ac9a2..fdc1a62d544 100644
--- a/gcc/testsuite/gcc.dg/pr97317.c
+++ b/gcc/testsuite/gcc.dg/pr97317.c
@@ -1,5 +1,6 @@
  /* { dg-do compile } */
  /* { dg-options "-O2" } */
+/* { dg-require-effective-target int32plus } */

  struct a {
    unsigned c : 17;
diff --git a/gcc/testsuite/gcc.dg/pr97750.c b/gcc/testsuite/gcc.dg/pr97750.c
index 90c3dc26852..ff0d436af20 100644
--- a/gcc/testsuite/gcc.dg/pr97750.c
+++ b/gcc/testsuite/gcc.dg/pr97750.c
@@ -1,6 +1,7 @@
  /* PR tree-optimization/97750 */
  /* { dg-do compile } */
  /* { dg-options "-O2 -Wall -Wextra" } */
+/* { dg-require-effective-target ptr_eq_long } */

  char CopyPlane_src;
  long CopyPlane_copy_pitch;
