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From: "pinskia at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/18933] New: gdb.arch/aarch64-atomic-inst.c needs to
 fix for ILP32
Date: Mon, 07 Sep 2015 17:14:00 -0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: gdb
X-Bugzilla-Component: testsuite
X-Bugzilla-Version: HEAD
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X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: NEW
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X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=18933

            Bug ID: 18933
           Summary: gdb.arch/aarch64-atomic-inst.c needs to fix for ILP32
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: unassigned at sourceware dot org
          Reporter: pinskia at gcc dot gnu.org
  Target Milestone: ---

This testcase uses long which is different between LP64 and ILP32 ABIS.
  unsigned long tmp, cond;
  unsigned long dword = 0;

  /* Test that we can step over ldxr/stxr. This sequence should step from
     ldxr to the following __asm __volatile.  */
  __asm __volatile ("1:     ldxr    %0,%2\n"                             \
                    "       cmp     %0,#1\n"                             \
                    "       b.eq    out\n"                               \
                    "       add     %0,%0,1\n"                           \
                    "       stxr    %w1,%0,%2\n"                         \
                    "       cbnz    %w1,1b"                              \
                    : "=&r" (tmp), "=&r" (cond), "+Q" (dword)            \
                    : : "memory");

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