This exposes 'sizetype' as __SIZETYPE__ to help writing "portable" GIMPLE testcases.
Will commit soonish, more testcases might need adjustment for some targets. Richard. 2019-08-15 Richard Biener <rguent...@suse.de> c-family/ * c-common.c (c_stddef_cpp_builtins): When the GIMPLE FE is enabled, define __SIZETYPE__. * gcc.dg/pr80170.c: Adjust. Index: gcc/c-family/c-common.c =================================================================== --- gcc/c-family/c-common.c (revision 274504) +++ gcc/c-family/c-common.c (working copy) @@ -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 Index: gcc/testsuite/gcc.dg/pr80170.c =================================================================== --- gcc/testsuite/gcc.dg/pr80170.c (revision 274504) +++ gcc/testsuite/gcc.dg/pr80170.c (working copy) @@ -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;