[Bug target/84748] [6/7 Regression] wrong code with u128 at aarch64 at -O and and above

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84748

--- Comment #5 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Tue Apr 10 12:59:08 2018
New Revision: 259270

URL: https://gcc.gnu.org/viewcvs?rev=259270&root=gcc&view=rev
Log:
[AArch64] PR target/84748: Mark *compare_cstore<mode>_insn as clobbering CC reg

        Backport from mainline
        2018-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/84748
        * config/aarch64/aarch64.md (*compare_cstore<mode>_insn): Mark pattern
        as clobbering CC_REGNUM.

        * gcc.c-torture/execute/pr84748.c: New test.


Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.c-torture/execute/pr84748.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/config/aarch64/aarch64.md
    branches/gcc-7-branch/gcc/testsuite/ChangeLog