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Subject: [Bug middle-end/54915] New: [4.8 Regression] ICE: verify_gimple failed: type mismatch in vector permute expression
Date: Fri, 12 Oct 2012 18:19:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54915

             Bug #: 54915
           Summary: [4.8 Regression] ICE: verify_gimple failed: type
                    mismatch in vector permute expression
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz


Created attachment 28434
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28434
reduced testcase (from gcc.target/i386/vect-rebuild.c)

Compiler output:
$ gcc -O testcase.c
testcase.c: In function 'h':
testcase.c:4:6: note: The ABI for passing parameters with 32-byte alignment has
changed in GCC 4.6
 v2df h (v4df x)
      ^
testcase.c:8:1: error: type mismatch in vector permute expression
 }
 ^
v2df
v4df
v4df
vector(2) unsigned long
xx_4 = VEC_PERM_EXPR <x_6(D), x_6(D), { 2, 3 }>;

testcase.c:8:1: internal compiler error: verify_gimple failed
linux-vdso.so.1: No such file or directory
0xa07e1c verify_gimple_in_cfg(function*)
        /mnt/svn/gcc-trunk/gcc/tree-cfg.c:4727
0x8ff5c8 execute_function_todo
        /mnt/svn/gcc-trunk/gcc/passes.c:1956
0x90030d execute_todo
        /mnt/svn/gcc-trunk/gcc/passes.c:1989
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r192388 - crash
r191586 - crash
4.7 r191640 - OK