Date: Mon, 17 Oct 94 11:41:20 -0400 From: dj AT stealth DOT ctron DOT com (DJ Delorie) To: peje AT irf DOT se Cc: OKRA AT max DOT tiac DOT net, djgpp AT sun DOT soe DOT clarkson DOT edu Subject: Re: this is optimization? > > movl %eax,%edx > > sall %edx,6 > > movl %edx,%eax > I have seen a post on comp.gcc.compilers a couple of months ago which said > that gcc version 2.6.0 had changed its register allocation order making edx > the primary working register. I can't check this out myself because I don't > have the compiler sources, somebody out there maybe could check it out (DJ?). Send a *real* short C program that demonstrates this, and I can test the latest stuff and/or have the test added to the gcc test suite.