c-common.c (c_stddef_cpp_builtins): When the GIMPLE FE is enabled, define __SIZETYPE__.

2019-08-15  Richard Biener  <rguenther@suse.de>

	c-family/
	* c-common.c (c_stddef_cpp_builtins): When the GIMPLE FE is
	enabled, define __SIZETYPE__.

	* gcc.dg/pr80170.c: Adjust to use __SIZETYPE__.

From-SVN: r274528

gcc/c-family/ChangeLog

+2019-08-15  Richard Biener  <rguenther@suse.de>
+
+	* c-common.c (c_stddef_cpp_builtins): When the GIMPLE FE is
+	enabled, define __SIZETYPE__.
+
 2019-08-14  Christophe Lyon  <christophe.lyon@linaro.org>
 
 	* c-attribs.c (c_common_attribute_table): Add "noinit" entry. Add

gcc/c-family/c-common.c

@@ -5148,6 +5148,10 @@ c_stddef_cpp_builtins(void)
     builtin_define_with_value ("__INTPTR_TYPE__", INTPTR_TYPE, 0);
   if (UINTPTR_TYPE)
     builtin_define_with_value ("__UINTPTR_TYPE__", UINTPTR_TYPE, 0);
+  /* GIMPLE FE testcases need access to the GCC internal 'sizetype'.
+     Expose it as __SIZETYPE__.  */
+  if (flag_gimple)
+    builtin_define_with_value ("__SIZETYPE__", SIZETYPE, 0);
 }
 
 static void

gcc/testsuite/ChangeLog

+2019-08-15  Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/pr80170.c: Adjust to use __SIZETYPE__.
+
 2019-08-15  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* gcc.target/aarch64/sve/loop_add_4.c: Expect 10 INCWs and

gcc/testsuite/gcc.dg/pr80170.c

@@ -24,11 +24,7 @@ NullB (void * misalignedPtr)
   struct B * b;
 
   bb_2:
-#if __SIZEOF_LONG__ == 8
-  b_2 = misalignedPtr_1(D) + 18446744073709551608ul;
-#else
-  b_2 = misalignedPtr_1(D) + 4294967292ul;
-#endif
+  b_2 = misalignedPtr_1(D) + _Literal (__SIZETYPE__) -__SIZEOF_POINTER__;
   __MEM <struct B> (b_2).a.a = _Literal (void *) 0;
   __MEM <struct B> (b_2).a.b = _Literal (void *) 0;
   return;