[Bug target/91474] Internal compiler error when building mabi=32 mips64-elf cross-compiler: segfault in parallel_settings.cc

[draganm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91474

--- Comment #10 from draganm at gcc dot gnu.org ---
Author: draganm
Date: Fri Oct  4 10:57:48 2019
New Revision: 276569

URL: https://gcc.gnu.org/viewcvs?rev=276569&root=gcc&view=rev
Log:
Backprot fix for uninitialised use in mips_split_move

Fixes PR target/91474 and PR target/91702.

2019-10-04  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>

        Backport from mainline
        2019-07-07  Richard Sandiford  <richard.sandiford@arm.com>

        gcc/
                * config/mips/mips.c (mips_split_move): Zero-initialize addr
                and check whether addr.reg is nonnull before using it.

Modified:
    branches/gcc-9-branch/gcc/ChangeLog
    branches/gcc-9-branch/gcc/config/mips/mips.c