[Bug regression/58985] [4.9 Regression]: gcc.dg/pr57518.c scan-rtl-dump-not ira REG_EQUIV...

[wmi at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58985

--- Comment #4 from wmi at google dot com ---
This is the testcase problem. For cris-axis-elf target, gcc doesn't use subreg
of reg 31 for the above testcase, so it is ok to generate REG_EQUIV note for
reg 31.

I will send out a patch for it soon.

Thanks for pointing out the problem.

Regards,
Wei Mi.