On Wed, Aug 13, 2014 at 04:21:24PM +0800, Thomas Preud'homme wrote:
> > From: Richard Biener [mailto:richard.guent...@gmail.com]
> > Sent: Monday, August 11, 2014 8:29 PM
> >
> > That's now extra compares (the operand_equal_p check now does
> > a check that can be derived transitively).
> >
> > So - ok with the operand_equal_p cehck removed.
> >
> > Also see if this can be backported.
>
> I checked and the bug is present for in both GCC 4.8 and 4.9 branches. The
> patch applies cleanly in both cases as well. I did the same testing as for
> trunk
> on the GCC 4.8 branch, that is:
>
> 1) bootstrap of GCC on x86_64-linux-gnu
> 2) arm-none-eabi cross compiler (defaulting to little endian) with testsuite
> run under qemu emulqting a Cortex M4
> 3) arm-none-eabi cross compiler (defaulting to big endian, thanks to patch at
> [1])
> with testsuite run under qemu emulating a Cortex M3.
>
> I'm going to do the same testing for GCC 4.9 now. May I commit the backports?
Ok.
Jakub
