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From: "seurer at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/108977] New: [11 regression]
 gcc.target/powerpc/pr96373.c fails after r11-10549-gcf3d95cce379f3 on power
 10
Date: Wed, 01 Mar 2023 00:47:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108977

            Bug ID: 108977
           Summary: [11 regression] gcc.target/powerpc/pr96373.c fails
                    after r11-10549-gcf3d95cce379f3 on power 10
           Product: gcc
           Version: 11.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:cf3d95cce379f3260ad27264de0398e2ed1db2ea, r11-10549-gcf3d95cce379f3

This test fails on power 10 hardware.

make  -k check-gcc RUNTESTFLAGS=3D"powerpc.exp=3Dgcc.target/powerpc/pr96373=
.c"
FAIL: gcc.target/powerpc/pr96373.c execution test
# of expected passes            1
# of unexpected failures        1


(gdb) run
Starting program: /home/seurer/gcc/git/build/gcc-11-test/pr96373.exe=20

Program received signal SIGFPE, Arithmetic exception.
0x0000000010000960 in div (d=3D<optimized out>, d@entry=3D0x7fffffffe128,
s=3D<optimized out>, s@entry=3D0x7fffffffe0d0, n=3D<optimized out>, n@entry=
=3D11)
    at
/home/seurer/gcc/git/gcc-11-test/gcc/testsuite/gcc.target/powerpc/pr96373.c=
:13
13          *d =3D *d / *s;
(gdb) where
#0  0x0000000010000960 in div (d=3D<optimized out>, d@entry=3D0x7fffffffe12=
8,
s=3D<optimized out>, s@entry=3D0x7fffffffe0d0, n=3D<optimized out>, n@entry=
=3D11)
    at
/home/seurer/gcc/git/gcc-11-test/gcc/testsuite/gcc.target/powerpc/pr96373.c=
:13
#1  0x000000001000072c in main () at
/home/seurer/gcc/git/gcc-11-test/gcc/testsuite/gcc.target/powerpc/pr96373.c=
:22


commit cf3d95cce379f3260ad27264de0398e2ed1db2ea (HEAD, refs/bisect/bad)
Author: Kewen Lin <linkw@linux.ibm.com>
Date:   Mon Feb 13 20:03:26 2023 -0600

    rs6000/test: Adjust some test cases on partial vector [PR96373]=