------- Comment #9 from gangren at google dot com 2007-06-12 18:58 ------- (In reply to comment #8) > if later compilation passes could prove that the computation > overflowed in short, then the result would be different than if the > computation > were done in int.
The result could be different. But in some cases, such as this example, the result (variable) would be the same. In general, integral promotion might not be necessary when both destination and sources are short integers? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32309
