[Bug rtl-optimization/48628] New: ICE in reload

[Bug rtl-optimization/48628] New: ICE in reload

[belagod at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48628

           Summary: ICE in reload
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: belagod@gcc.gnu.org


The attached test causes gcc to ICE when compiled with -O0.

$ arm-eabi-gcc -c foo.c     
foo.c: In function 'f0a':
foo.c:16:1: warning: left shift count >= width of type [enabled by default]
foo.c:16:1: warning: left shift count >= width of type [enabled by default]
foo.c:16:1: warning: right shift count >= width of type [enabled by default]
foo.c:16:1: warning: right shift count >= width of type [enabled by default]
foo.c:16:1: warning: right shift count >= width of type [enabled by default]
foo.c:16:1: warning: left shift count >= width of type [enabled by default]
foo.c:16:1: warning: left shift count >= width of type [enabled by default]
foo.c:16:1: warning: right shift count >= width of type [enabled by default]
foo.c:16:1: warning: right shift count >= width of type [enabled by default]
foo.c:16:1: warning: right shift count >= width of type [enabled by default]
foo.c:18:1: internal compiler error: in elimination_costs_in_insn, at
reload1.c:3643
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[Bug rtl-optimization/48628] ICE in reload

[belagod at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48628

--- Comment #1 from belagod at gcc dot gnu.org 2011-04-15 17:40:38 UTC ---
Created attachment 24002
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24002
test case with complex expressions

[Bug rtl-optimization/48628] ICE in reload

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48628

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |arm-eabi

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-15 20:09:04 UTC ---
Please specify the compiler version you used.

[Bug target/48628] ICE in reload

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48628

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2011.04.18 18:11:20
          Component|rtl-optimization            |target
     Ever Confirmed|0                           |1

[Bug target/48628] ICE in reload

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48628

Mikael Pettersson <mikpe at it dot uu.se> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikpe at it dot uu.se

--- Comment #3 from Mikael Pettersson <mikpe at it dot uu.se> 2011-04-18 19:02:56 UTC ---
I can trigger the ICE on armv5tel-unknown-linux-gnueabi with gcc-4.7-20110416
and gcc-4.6-20110415 if I pass both -O0 and -march=armv7-a.  Doesn't ICE with
-O2 or -march=armv5te.  Also doesn't ICE with gcc-4.5 or gcc-4.4 regardless of
options.

[Bug target/48628] ICE in reload

[belagod at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48628

--- Comment #4 from belagod at gcc dot gnu.org 2011-04-21 10:53:26 UTC ---
Sorry for the delay: this is my gcc -v:

arm-eabi-gcc
COLLECT_LTO_WRAPPER=.../trunk/2011-04-20/install-a9softfpneon/bin/../libexec/gcc/arm-eabi/4.7.0/lto-wrapper
Target: arm-eabi
Configured with: .../trunk/source/gcc-fsf/configure --target=arm-eabi
--enable-checking=release --disable-gdbtk --disable-werror --disable-tui
--disable-rda --disable-sid --disable-utils --disable-lto --with-cpu=cortex-a9
--with-float=softfp --with-fpu=neon
--prefix=.../trunk/2011-04-20/install-a9softfpneon
--with-mpfr=.../tools/linux_x86_64 --with-mpc=.../tools/linux_x86_64
--with-gmp=.../tools/linux_x86_64 --disable-lto --disable-werror
--disable-shared --disable-nls --disable-threads --disable-tls
--enable-checking=yes --enable-languages=c,c++,fortran --with-newlib
Thread model: single
gcc version 4.7.0 20110420 (experimental) (GCC)

[Bug target/48628] ICE in reload

[rearnsha at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48628

Richard Earnshaw <rearnsha at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW