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List:       kde-bugs-dist
Subject:    [valgrind] [Bug 369175] jm_vec_isa_2_07 test crashes on ppc64
From:       Mark Wielaard via KDE Bugzilla <bugzilla_noreply () kde ! org>
Date:       2016-09-26 11:49:43
Message-ID: bug-369175-17878-qmwgiYo79K () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=369175

--- Comment #20 from Mark Wielaard <mjw@redhat.com> ---
Created attachment 101295
  --> https://bugs.kde.org/attachment.cgi?id=101295&action=edit
Trace for smaller badness2 reproducer

Trace output for a smaller reproducer:

$ cat badness2.c

#include <string.h>

static vector unsigned long long vec_out, vec_inA, vec_inB;

int main ( void )
{
   memset(&vec_inA, 0x12, sizeof(vec_inA));
   memset(&vec_inB, 0x34, sizeof(vec_inB));
   memset(&vec_out, 0x56, sizeof(vec_out));
   __asm__ __volatile__ ("bcdadd. %0, %1, %2, 0"
                         : "=v" (vec_out): "v" (vec_inA),"v" (vec_inB));
   return 0;
}

$ gcc -Winline -Wall -g -O -mregnames -maltivec -m64 -o badness2 badness2.c
-mvsx -Wa,-mvsx -mcpu=power8 -Wa,-mpower8

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