This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [ARM] Fix build failure due to movsi_compare0 (PR 61430)


On Fri, Jun 13, 2014 at 05:46:45PM +0100, Vladimir Makarov wrote:
> On 2014-06-11, 1:17 PM, Chung-Lin Tang wrote:
> > Looking at this too, as an LRA exercise. I don't really think the
> > pattern is wrong, rather LRA should just avoid creating the copy in this
> > case; it's a result of operand constraining, after all.
> > 
> > Attached is the small LRA patch, pending testing. Vladimir should weight
> > in on this.
> > 
> 
> The patch is safe and ok.  Thanks for working on it, Chung-Lin.

As this patch fixes a build failure on ARM I'd like to have it applied
today. If I don't hear anything which would stop me, I'll commit this on
Chung-Lin's behalf in a few hours.

Cheers,
James

> 
> > 	* ira-lives.c (process_bb_lives): Skip creating copy during
> > 	insn sca when src/dest has constrained to same regno.
> > 
> 
> 


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]