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From: "seurer at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug other/107338] New: new test case gcc.dg/vect/vect-bitfield-read-7.c in r13-3413-ge10ca9544632db fails
Date: Thu, 20 Oct 2022 21:58:30 +0000	[thread overview]
Message-ID: <bug-107338-4@http.gcc.gnu.org/bugzilla/> (raw)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107338

            Bug ID: 107338
           Summary: new test case gcc.dg/vect/vect-bitfield-read-7.c in
                    r13-3413-ge10ca9544632db fails
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:e10ca9544632dbff4759b4b92886cd96d0b9bdfe, r13-3413-ge10ca9544632db
make  -k check-gcc RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-bitfield-read-7.c"
FAIL: gcc.dg/vect/vect-bitfield-read-7.c execution test
FAIL: gcc.dg/vect/vect-bitfield-read-7.c -flto -ffat-lto-objects execution test
# of expected passes            4
# of unexpected failures        2

I am only seeing this on BE systems (both power 7 and 8) and it fails the same
way for both 32 and 64 bits.  There are no failure messages on the execution.

I tried a debug compilation but the traceback is not helpful:

seurer@makalu-lp1:~/gcc/git/build/gcc-test$
/home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/vect/vect-bitfield-read-7.c 
-m64  -fdiagnostics-plain-output  -flto -ffat-lto-objects -maltivec
-mpower8-vector -ftree-vectorize -fno-tree-loop-distribute-patterns
-fno-vect-cost-model -fno-common -O2 -g3 -fdump-tree-vect-details  -lm  -o
./vect-bitfield-read-7.exe

seurer@makalu-lp1:~/gcc/git/build/gcc-test$ gdb ./vect-bitfield-read-7.exe 
(gdb) run
Starting program:
/home/seurer/gcc/git/build/gcc-test/./vect-bitfield-read-7.exe 

Program received signal SIGABRT, Aborted.
0x00003fffb7cd268c in __GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:55
55        return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) where
#0  0x00003fffb7cd268c in __GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:55
#1  0x00003fffb7cd4878 in __GI_abort () at abort.c:90
#2  0x0000000010000600 in .main ()

There's only one abort in the test case on line 37:

  if (f(&A[0], N) != RES)
    abort ();



commit e10ca9544632dbff4759b4b92886cd96d0b9bdfe
Author: Andre Vieira <andre.simoesdiasvieira@arm.com>
Date:   Thu Oct 20 15:54:39 2022 +0100

    vect: Fix vectype when widening container type in bitfield pattern
[PR107326]

             reply	other threads:[~2022-10-20 21:58 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-20 21:58 seurer at gcc dot gnu.org [this message]
2022-10-20 22:05 ` [Bug other/107338] " pinskia at gcc dot gnu.org
2022-10-21  9:42 ` [Bug testsuite/107338] " linkw at gcc dot gnu.org
2022-10-21 10:59 ` avieira at gcc dot gnu.org
2022-10-21 13:04 ` linkw at gcc dot gnu.org
2022-10-25  5:20 ` cvs-commit at gcc dot gnu.org
2022-10-25  5:29 ` [Bug tree-optimization/107338] " linkw at gcc dot gnu.org

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