[Bug target/24586] New: [4.0 regression] ICE in g++.dg/opt/mmx2.C

[Bug target/24586] New: [4.0 regression] ICE in g++.dg/opt/mmx2.C

[reichelt at gcc dot gnu dot org]

Jakub, the testcase g++.dg/opt/mmx2.C you added, causes a segfault
on the 4.0 branch:

g++ -O2 -mmmx -c mmx2.C
mmx2.C: In function 'int main()':
mmx2.C:23: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

This can also be seen in Kaveh's testresults, for example:

http://gcc.gnu.org/ml/gcc-testresults/2005-10/msg00523.html
http://gcc.gnu.org/ml/gcc-testresults/2005-10/msg01202.html

It looks like --enable-checking is required to trigger the bug.

As this is a new FAIL in the testsuite, I rate this as a regression.

Could you please have a look?


-- 
           Summary: [4.0 regression] ICE in g++.dg/opt/mmx2.C
           Product: gcc
           Version: 4.0.3
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, monitored, ice-checking, ssemmx
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24586

[Bug target/24586] [4.0 regression] ICE in g++.dg/opt/mmx2.C

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.0.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24586

[Bug target/24586] [4.0 regression] ICE in g++.dg/opt/mmx2.C

[mmitchel at gcc dot gnu dot org]

-- 

mmitchel at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.0.3                       |4.0.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24586

[Bug target/24586] [4.0 regression] ICE in g++.dg/opt/mmx2.C

[gdr at gcc dot gnu dot org]

------- Comment #1 from gdr at gcc dot gnu dot org  2007-02-03 15:50 -------
Won't fix in GCC-4.0.x


-- 

gdr at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WONTFIX


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24586