gcc/c-family/c-common.c

2752   int unsignedp0, unsignedp1;
2760   primop0 = c_common_get_narrower (op0, &unsignedp0);
2768       && !unsignedp0
2781     unsignedp0 = TYPE_UNSIGNED (TREE_TYPE (op0));
2801       std::swap (unsignedp0, unsignedp1);
2852       type = c_common_signed_or_unsigned_type (unsignedp0,
2858       if (unsignedp && !unsignedp0)
2934       if (unsignedp && !unsignedp0)
3014   else if (unsignedp0 == unsignedp1 && real1 == real2
3019       type = c_common_signed_or_unsigned_type (unsignedp0
3025 	= convert (c_common_signed_or_unsigned_type (unsignedp0,