[Patch Vax] zero/sign extend patterns need to be SUBREG aware

[Jan-Benedict Glaw]

Hi James,

On Tue, 2015-06-16 10:58:48 +0100, James Greenhalgh <james.greenhalgh@arm.com> wrote:
> The testcase in this patch, from libgcc, causes an ICE in the Vax
> build.
[...]
> As far as I know, reload is going to get rid of these SUBREGs
> for us, so we don't need to modify the output statement.
> 
> Tested that this restores the VAX build and that the code-gen is
> sensible for the testcase.
> 
> OK?

Looks good to me, but Matt has to ACK this fix.

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@lug-owl.de              +49-172-7608481
Signature of: 23:53 <@jbglaw> So, ich kletter' jetzt mal ins Bett.
the second  : 23:57 <@jever2> .oO( kletter ..., hat er noch Gitter vorm Bett, wie früher meine Kinder?)
              00:00 <@jbglaw> jever2: *patsch*
              00:01 <@jever2> *aua*, wofür, Gedanken sind frei!
              00:02 <@jbglaw> Nee, freie Gedanken, die sind seit 1984 doch aus!
              00:03 <@jever2> 1984? ich bin erst seit 1985 verheiratet!
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