On Thu, May 14, 2015 at 01:56:54PM +0800, Hale Wang wrote: > > >> gcc/ChangeLog: > > >> 2015-04-22 Hale Wang <hale.w...@arm.com> > > >> Terry Guo <terry....@arm.com> > > >> > > >> PR rtl-optimization/64818 > > >> * combine.c (can_combine_p): Don't combine user-specified register > > if > > >> it is in an asm input. > > >> > > >> gcc/testsuite/ChangeLog: > > >> 2015-04-22 Hale Wang <hale.w...@arm.com> > > >> Terry Guo <terry....@arm.com> > > >> > > >> PR rtl-optimization/64818 > > >> * gcc.target/arm/pr64818.c: New.
> This patch applies cleanly on GCC 5.0 branch. Bootstrap and regression test > are OK for X86_64. > > Can we backport this patch to GCC 5.0 branch? It should be perfectly safe, and it's a pretty nasty bug. But it is technically not a regression (or is it?), so I'll defer to the release managers. Segher
