Re: [RS6000] fix for RTL cprop vs. fixed hard regs

2015-02-01 Thread David Edelsohn
On Fri, Jan 30, 2015 at 1:57 AM, Alan Modra wrote: > On Fri, Jan 16, 2015 at 08:12:27PM +1030, Alan Modra wrote: >> https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-December/123776.html >> shows gcc-5 miscompiling a powerpc64 linux kernel. The executive >> summary is that the rs6000 backend h

[RS6000] fix for RTL cprop vs. fixed hard regs

2015-01-29 Thread Alan Modra
On Fri, Jan 16, 2015 at 08:12:27PM +1030, Alan Modra wrote: > https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-December/123776.html > shows gcc-5 miscompiling a powerpc64 linux kernel. The executive > summary is that the rs6000 backend has a bug in its RTL description of > indirect calls. We