[Bug target/81414] [6/7 Regression] ICE in fma steering on AArch64/cortex-a57

amker at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Jul 28 11:14:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81414

--- Comment #5 from amker at gcc dot gnu.org ---
Author: amker
Date: Fri Jul 28 11:13:45 2017
New Revision: 250657

URL: https://gcc.gnu.org/viewcvs?rev=250657&root=gcc&view=rev
Log:
        Backport from mainline r250496
        2017-07-25  Bin Cheng  <bin.cheng@arm.com>

        PR target/81414
        * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
        instructions if no du chain is found.

        * gcc.target/aarch64/pr81414.C: New.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.target/aarch64/pr81414.C
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/config/aarch64/cortex-a57-fma-steering.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog


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