testsuite/52641: Fix tests that fail for 16-bit int / pointer targets.

gcc/testsuite/
	PR testsuite/52641
	* c-c++-common/pr19807-2.c: Use __SIZEOF_INT__ instead of 4.
	* gcc.c-torture/compile/pr103813.c: Require size32plus.
	* gcc.c-torture/execute/pr108498-2.c: Same.
	* gcc.c-torture/compile/pr96426.c: Condition on
	__SIZEOF_LONG_LONG__ == __SIZEOF_DOUBLE__.
	* gcc.c-torture/execute/pr103417.c: Require int32plus.
	* gcc.dg/pr104198.c: Same.
	* gcc.dg/pr21137.c: Same.
	* gcc.dg/pr88905.c: Same.
	* gcc.dg/pr90838.c: Same.
	* gcc.dg/pr97317.c: Same.
	* gcc.dg/pr100292.c: Require int32.
	* gcc.dg/pr101008.c: Same.
	* gcc.dg/pr96542.c: Same.
	* gcc.dg/pr96674.c: Same.
	* gcc.dg/pr97750.c: Require ptr_eq_long.

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;
 }

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;

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

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 };
 

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]; };

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;
 

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;

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>

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();
 

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);

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)
 {

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)

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>

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;

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;