[i386 PATCH] PR26600: SSE2 related ICE in reload

[Richard Henderson]

On Thu, May 11, 2006 at 10:37:59AM -0600, Roger Sayle wrote:
> The little white lie is that 32-bit x86 doesn't actually have
> TImode hard registers which makes reloads slightly tricky.

Uh... yes it does.  What do you think all those SSE registers are?
Since "movti" exists, TImode exists, QED.

> At first glance looks like a SET pattern where the SRC doesn't have
> the same mode as the destination.  Fortunately, this is fixed up
> behind the scenes, but there's no good reason for it to be this ugly.

Actually, there is.  Emitting raw SUBREG within patterns is 
to be considered a mistake.  It's too easy to get nested 
subregs and other such evil things.

> Ok for mainline?  And the 4.1 branch after a few days?

Not ok.



r~