From: utzoo!utcsrgv!thomson
Newsgroups: net.bugs.4bsd
Title: Vax C compiler inconsistency
Article-I.D.: utcsrgv.1406
Posted: Tue May 17 17:01:57 1983
Received: Tue May 17 17:21:17 1983

The 4.1bsd C compiler, when fed
	int a;
	a = (short)a;
quite reasonably generates
	cvtwl	_a,r0
	movl	r0,a
to faithfully follow the programmer's intent of shortening then
lengthening a.  But if you give it
	double a;
	a = (float)a;
you end up with
	movd	_a,_a