[Bug tree-optimization/33812] New: Vectorizer testcases fail

["irar at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>]

With current trunk (r129433) vectorizer testcases fail on powerpc64:

FAIL: gcc.dg/vect/vect-64.c (internal compiler error)
FAIL: gcc.dg/vect/vect-64.c (test for excess errors)
WARNING: gcc.dg/vect/vect-64.c compilation failed to produce executable
FAIL: gcc.dg/vect/vect-68.c (internal compiler error)
FAIL: gcc.dg/vect/vect-68.c (test for excess errors)
WARNING: gcc.dg/vect/vect-68.c compilation failed to produce executable
FAIL: gcc.dg/vect/vect-70.c (internal compiler error)
FAIL: gcc.dg/vect/vect-70.c (test for excess errors)
WARNING: gcc.dg/vect/vect-70.c compilation failed to produce executable
FAIL: gcc.dg/vect/no-scevccp-slp-31.c (internal compiler error)
FAIL: gcc.dg/vect/no-scevccp-slp-31.c (test for excess errors)
WARNING: gcc.dg/vect/no-scevccp-slp-31.c compilation failed to produce
executable

The tests ICE:
vect-64.c: In function גmain1ג:
vect-64.c:75: internal compiler error: in change_address_1, at emit-rtl.c:1888
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

#0  change_address_1 (memref=0xf7e44f40, mode=SImode, addr=0xf7e44f30,
validate=1) at ../../gcc/gcc/emit-rtl.c:1888
#1  0x10179fd4 in validize_mem (ref=0xf7e44f40) at ../../gcc/gcc/explow.c:546
#2  0x101a88e8 in emit_move_insn (x=0xf7e38e00, y=0xf7e44f40) at
../../gcc/gcc/expr.c:3403
#3  0x105543e4 in rs6000_emit_epilogue (sibcall=0) at
../../gcc/gcc/config/rs6000/rs6000.c:16095
#4  0x28000488 in ?? ()
#5  0x105ec5ec in gen_epilogue () at
../../gcc/gcc/config/rs6000/rs6000.md:14476
#6  0x102242b4 in rest_of_handle_thread_prologue_and_epilogue () at
../../gcc/gcc/function.c:5298
#7  0x102a7af4 in execute_one_pass (pass=0x108f6a78) at
../../gcc/gcc/passes.c:1117
#8  0x102a7d68 in execute_pass_list (pass=0x108f6a78) at
../../gcc/gcc/passes.c:1170
#9  0x102a7d80 in execute_pass_list (pass=0x108f6ee8) at
../../gcc/gcc/passes.c:1171
#10 0x102a7d80 in execute_pass_list (pass=0x108f6eb4) at
../../gcc/gcc/passes.c:1171
#11 0x103ae68c in tree_rest_of_compilation (fndecl=0xf7dbc100) at
../../gcc/gcc/tree-optimize.c:404
#12 0x105705fc in cgraph_expand_function (node=0xf7dbc300) at
../../gcc/gcc/cgraphunit.c:1060
#13 0x105728c4 in cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:1123
#14 0x10017914 in c_write_global_declarations () at ../../gcc/gcc/c-decl.c:8077
#15 0x1033fff0 in toplev_main (argc=<value optimized out>, argv=<value
optimized out>) at ../../gcc/gcc/toplev.c:1055
#16 0x1009e370 in main (argc=0, argv=0x0) at ../../gcc/gcc/main.c:35

This doesn't happen with r129290.

Ira


-- 
           Summary: Vectorizer testcases fail
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: irar at il dot ibm dot com
 GCC build triplet: powerpc64-suse-linux
  GCC host triplet: powerpc64-suse-linux
GCC target triplet: powerpc64-suse-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33812