[Bug tree-optimization/61224] New: ICE in rtl.h

[Bug tree-optimization/61224] New: ICE in rtl.h

[ishiura-compiler at ml dot kwansei.ac.jp]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61224

            Bug ID: 61224
           Summary: ICE in rtl.h
           Product: gcc
           Version: 4.10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ishiura-compiler at ml dot kwansei.ac.jp

GCC 4.10.0 ICEs on the following code. (x86_64)


 $ cat test.c

 int a, b, d;
 int main (void)
 {
   int c = a && 1;
   d = 1 << (((c | (b - 842)) << 1) + 1);
   return 0;
 }


 $ x86_64-unknown-linux-gnu-gcc-4.10.0 test.c -O2
 test.c: In function 'main':
 test.c:8:1: internal compiler error: in decompose, at rtl.h:1456
  }
  ^
 0x4f1296 wi::int_traits<std::pair<rtx_def*, machine_mode> >::decompose(long*,
unsigned int, std::pair<rtx_def*, machine_mode> const&)
  /home/hassy/gcc/gcc/rtl.h:1454
 0x9ac619 wi::int_traits<std::pair<rtx_def*, machine_mode> >::decompose(long*,
unsigned int, std::pair<rtx_def*, machine_mode> const&)
  /home/hassy/gcc/gcc/rtl.h:1454
 0x9ac619 wide_int_ref_storage<std::pair<rtx_def*, machine_mode> >
  /home/hassy/gcc/gcc/wide-int.h:959
 0x9ac619 generic_wide_int<std::pair<rtx_def*, machine_mode> >
  /home/hassy/gcc/gcc/wide-int.h:735
 0x9ac619 sub<std::pair<rtx_def*, machine_mode>, std::pair<rtx_def*,
machine_mode> >
  /home/hassy/gcc/gcc/wide-int.h:2349
 0x9ac619 simplify_const_binary_operation(rtx_code, machine_mode, rtx_def*,
rtx_def*)
  /home/hassy/gcc/gcc/simplify-rtx.c:3732
 0xe7153b simplify_shift_const_1
  /home/hassy/gcc/gcc/combine.c:10352
 0xe71875 simplify_shift_const
  /home/hassy/gcc/gcc/combine.c:10526
 0xe798cd combine_simplify_rtx
  /home/hassy/gcc/gcc/combine.c:5873
 0xe7bcda subst
  /home/hassy/gcc/gcc/combine.c:5170
 0xe794fb combine_simplify_rtx
  /home/hassy/gcc/gcc/combine.c:5250
 0xe7bcda subst
  /home/hassy/gcc/gcc/combine.c:5170
 0xe7b9f8 subst
  /home/hassy/gcc/gcc/combine.c:5115
 0xe7b9f8 subst
  /home/hassy/gcc/gcc/combine.c:5115
 0xe7b9f8 subst
  /home/hassy/gcc/gcc/combine.c:5115
 0xe7b82a subst
  /home/hassy/gcc/gcc/combine.c:5036
 0xe7cfce try_combine
  /home/hassy/gcc/gcc/combine.c:3138
 0xe82d03 combine_instructions
  /home/hassy/gcc/gcc/combine.c:1370
 0xe82d03 rest_of_handle_combine
  /home/hassy/gcc/gcc/combine.c:13865
 0xe82d03 execute
  /home/hassy/gcc/gcc/combine.c:13909
 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.


 $ x86_64-unknown-linux-gnu-gcc-4.10.0 -v
 Using built-in specs.
 COLLECT_GCC=x86_64-unknown-linux-gnu-gcc-4.10.0

COLLECT_LTO_WRAPPER=/usr/local/x86_64-tools/gcc-4.10.0/libexec/gcc/x86_64-unknown-linux-gnu/4.10.0/lto-wrapper
 Target: x86_64-unknown-linux-gnu
 Configured with: /home/hassy/gcc/configure
--prefix=/usr/local/x86_64-tools/gcc-4.10.0/ --with-gmp=/usr/local/gmp-5.1.1/
--with-mpfr=/usr/local/mpfr-3.1.2/ --with-mpc=/usr/local/mpc-1.0.1/
--disable-multilib --disable-nls --enable-languages=c
 Thread model: posix
 gcc version 4.10.0 20140518 (experimental) (GCC)

[Bug rtl-optimization/61224] [4.10 Regression] ICE in rtl.h

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61224

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-05-19
          Component|tree-optimization           |rtl-optimization
   Target Milestone|---                         |4.10.0
            Summary|ICE in rtl.h                |[4.10 Regression] ICE in
                   |                            |rtl.h
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.

[Bug rtl-optimization/61224] [4.10 Regression] ICE in rtl.h

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61224

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |rsandifo at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Caused by wide-int merge: r210113.

[Bug rtl-optimization/61224] [4.10 Regression] ICE in rtl.h

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61224

rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Same underlying bug as 61222, although the testcases are different
enough for both to be worth adding to the testsuite.

*** This bug has been marked as a duplicate of bug 61222 ***