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[Bug sim/15286] New: [regression]: multiple sim testsuite timeoutsfor arm-eabi but not for arm-elf


http://sourceware.org/bugzilla/show_bug.cgi?id=15286

             Bug #: 15286
           Summary: [regression]: multiple sim testsuite timeouts for
                    arm-eabi but not for arm-elf
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: sim
        AssignedTo: unassigned@sourceware.org
        ReportedBy: hp@sourceware.org
                CC: kevinb@redhat.com, nickc@redhat.com
    Classification: Unclassified
              Host: x64_86-unknown-linux-gnu
            Target: arm-eabi


These tests PASS with a simulator (and binutils) checkout of 2013-03-17 (and
likely still at HEAD) configured for obsolete configuration arm-elf, however
they timeout and FAIL with a simulator configured for the preferred
configuration arm-eabi.  With a checkout from 2012-06-10, all simulator tests
including these tests PASS, making the behavior a regression.

The list is not complete; just the first FAILs for iwmmxt.exp (not waiting for
all timeouts).

                === sim tests ===

Schedule of variations:
    arm-sim

Running target arm-sim
Using /usr/share/dejagnu/baseboards/arm-sim.exp as board description file for
target.
Using /usr/share/dejagnu/config/sim.exp as generic interface file for target.
Using /usr/share/dejagnu/baseboards/basic-sim.exp as board description file for
target.
Using
/expvol/pp_slask/hp/comptools/gitmove/updates/src/sim/testsuite/config/default.exp
as tool-and-target-specific interface file.
Running
/expvol/pp_slask/hp/comptools/gitmove/updates/src/sim/testsuite/sim/arm/allinsn.exp
...
Running
/expvol/pp_slask/hp/comptools/gitmove/updates/src/sim/testsuite/sim/arm/iwmmxt/iwmmxt.exp
...
WARNING: program timed out.
FAIL: xscale tbcst.cgs (execution)
WARNING: program timed out.
FAIL: xscale textrm.cgs (execution)
WARNING: program timed out.
FAIL: xscale tinsr.cgs (execution)
WARNING: program timed out.
FAIL: xscale tmia.cgs (execution)
WARNING: program timed out.
FAIL: xscale tmiaph.cgs (execution)
WARNING: program timed out.
FAIL: xscale tmiaxy.cgs (execution)
(...run manually aborted here...)

In a separate run for xscale.exp, "xscale blx.cgs" passes, but the rest of the
tests FAIL:
Running
/expvol/pp_slask/hp/comptools/gitmove/updates/src/sim/testsuite/sim/arm/xscale/xscale.exp
...
WARNING: program timed out.
FAIL: xscale mia.cgs (execution)
WARNING: program timed out.
FAIL: xscale miaph.cgs (execution)
WARNING: program timed out.
FAIL: xscale miaxy.cgs (execution)
WARNING: program timed out.
FAIL: xscale mra.cgs (execution)

                === sim Summary ===

# of expected passes            1
# of unexpected failures        4

(The other .exp files have no FAILs.)

CCing the only two persons touching ARM-specific sim-files in the timespan,
according to sim/arm/ChangeLog.  (As an incentive, I'll add arm-eabi to my
autotester sim runs when this is fixed: unfortunately it currently only tests
arm-elf which have not had any bug reports from me since PR12737.)

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