[PATCH 1/5] Handle WORD_REGISTER_OPERATIONS when reloading (subreg(reg))

Matthew Fortune Matthew.Fortune@imgtec.com
Mon Feb 20 12:09:00 GMT 2017


Vladimir Makarov <vmakarov@redhat.com> writes:
> On 02/07/2017 09:08 AM, Matthew Fortune wrote:
> > Hi,
> >
> > This change deals with reloading a subreg(reg) using the inner mode to
> > prevent partial spilling of data like in the case described here:
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78660#c8
> >
> > No test case for now but I am investigating a targeted test using the
> > RTL frontend for later submission.
> >
> >
> > gcc/
> > 	PR target/78660
> > 	* lra-constraints.c (curr_insn_transform): Handle
> > 	WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
> >
> The patch is OK.  So all 5 patches can be committed to the trunk.  I
> hope Eric's test of the patches on SPARC will be successful.  Thank you
> again for your efforts.

Committed as r245598.

Thanks,
Matthew



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