On Thu, 2016-12-08 at 20:55 -0600, Segher Boessenkool wrote:
> Hello,
>
> On Thu, Dec 08, 2016 at 10:18:42AM -0600, Will Schmidt wrote:
> > I am seeing some failures in the p9-dimode tests. This appears to
> > be due to the scan-assembler strings matching comment portions of the
> > generated assembly, versus the actual generated assembly. In
> > particular, the dg-final directive { scan-assembler-not "ld"}
> > is matching the "ld" as seen in the string
> > # 19 "/home/willschm/gcc/gcc-mainline-vec_fold/..."
> >
> > This is resolved by adding a leading whitespace regex string "\[ \t\]"
> > as seen in other tests.
>
> That works; a more future-proof way is writing it as
>
> /* { dg-final { scan-assembler-not {\mld\M} } } */
>
> which will also not match a future "ldlol" instruction (\m \M are like
> \< \> in some other regular expression dialects; see
> https://www.tcl.tk/man/tcl8.4/TclCmd/re_syntax.htm ).
>
> Okay either way. Thanks,
I'll go with what I have for the moment, (commit rev 243493) but the \m
syntax looks appealing,.. I'll likely use that in the future.
Thanks :-)
-Will
>
>
> Segher
>
