[Bug rtl-optimization/70890] [7 regression] r235660 miscompiles stage2 compiler on ia64

[amodra at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70890

--- Comment #10 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Wed Nov 16 23:10:55 2016
New Revision: 242525

URL: https://gcc.gnu.org/viewcvs?rev=242525&root=gcc&view=rev
Log:
R_MIPS_JALR failures

This is a fix for my PR70890 patch, which incorrectly removed all
REG_EQUIV notes rather than just one regarding a reg that dies.

        PR rtl-optimization/78325
        PR rtl-optimization/70890
        * ira.c (combine_and_move_insns): Only remove REG_EQUIV notes
        for dead regno.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira.c