naked zero_extracts longer than a word.

[Jim Wilson]

On Mon, 2009-05-11 at 10:52 -0400, Kenneth Zadeck wrote:
> Would those that know, (or even those that are just generally vocal) be
> willing to support a change rtl.texi for sign_extract (and by
> implication, zero_extract) from ...
> to a version that explicitly prohibits the use of a mode longer than a word?

Just grepping, I can find one example that currently uses this.  See the
x86_movdicc_0_m1_se pattern in the i386.md file.  However, I suspect
this is a bug, and that the pattern should be using TARGET_64.  I don't
have x86 manuals handy.

Jim