This is the mail archive of the gcc@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: regcprop and REG_DEAD


On Fri, May 13, 2011 at 5:51 PM, Paul Koning <paul_koning@dell.com> wrote:
> I was using 4.5.1 which has the bug. ÂI thought later ones have it too, but it looks like I misread the assembly output. Â(The fix makes a subtle change: beq becomes beql.)

A good question is why does XLR have branch linkely enabled anyways?
It has been deprecated in the ISA and causes performance problems on
most modern MIPS64 processors.

Thanks,
Andrew Pinski


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