https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68865
Bug ID: 68865
Summary: [6 regression] gcc.dg/atomic/c11-atomic-exec-2.c fails
since r231165
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: wschmidt at gcc dot gnu.org
CC: dje.gcc at gmail dot com, segher at gcc dot gnu.org,
seurer at linux dot vnet.ibm.com
Target Milestone: ---
Host: powerpc64*-*-linux*
Target: powerpc64*-*-linux*
Build: powerpc64*-*-linux*
The subject test case fails as follows on Power:
FAIL: gcc.dg/atomic/c11-atomic-exec-2.c -O2 execution test
FAIL: gcc.dg/atomic/c11-atomic-exec-2.c -O2 -flto -fno-use-linker-plugin -fl\
to-partition=none execution test
FAIL: gcc.dg/atomic/c11-atomic-exec-2.c -O2 -flto -fuse-linker-plugin -fno-f\
at-lto-objects execution test
FAIL: gcc.dg/atomic/c11-atomic-exec-2.c -O3 -fomit-frame-pointer -funroll-lo\
ops -fpeel-loops -ftracer -finline-functions execution test
FAIL: gcc.dg/atomic/c11-atomic-exec-2.c -O3 -g execution test
FAIL: gcc.dg/atomic/c11-atomic-exec-2.c -Os execution test
The regression occurred starting with r231165, which is:
2015-12-02 Segher Boessenkool <seg...@kernel.crashing.org>
* config/rs6000/rs6000.md (cstore_si_as_di): New expander.
(cstore<mode>4): Use it.
Segher, could you please investigate?
