[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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