[Bug target/50945] New: ICE

[Bug target/50945] New: ICE

[joel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

             Bug #: 50945
           Summary: ICE
    Classification: Unclassified
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: joel@gcc.gnu.org


Updated today.  Revision 180737
Host: x86_64-unknown-linux-gnu
Target: sparc-rtems4.11


/home2/joel/build/b-sparc-gcc/./gcc/xgcc -B/home2/joel/build/b-sparc-gcc/./gcc/
-nostdinc -B/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/newlib/ -isystem
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/newlib/targ-include -isystem
/users/joel/test-gcc/gcc-svn/newlib/libc/include
-B/users/joel/test-gcc/install-svn/sparc-rtems4.11/bin/
-B/users/joel/test-gcc/install-svn/sparc-rtems4.11/lib/ -isystem
/users/joel/test-gcc/install-svn/sparc-rtems4.11/include -isystem
/users/joel/test-gcc/install-svn/sparc-rtems4.11/sys-include    -g -O2
-msoft-float -O2
-I/users/joel/test-gcc/gcc-svn/gcc/../newlib/libc/sys/rtems/include -I. -I.
-I/users/joel/test-gcc/gcc-svn/gcc -I/users/joel/test-gcc/gcc-svn/gcc/.
-I/users/joel/test-gcc/gcc-svn/gcc/../include
-I/users/joel/test-gcc/gcc-svn/gcc/../libdecnumber
-I/users/joel/test-gcc/gcc-svn/gcc/../libdecnumber/dpd -I../libdecnumber
-I/users/joel/test-gcc/gcc-svn/gcc/../libgcc -g -O2 -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include   -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -Dinhibit_libc
-I/users/joel/test-gcc/gcc-svn/libgcc/../newlib/libc/sys/rtems/include -I. -I.
-I../../.././gcc -I/users/joel/test-gcc/gcc-svn/libgcc
-I/users/joel/test-gcc/gcc-svn/libgcc/.
-I/users/joel/test-gcc/gcc-svn/libgcc/../gcc
-I/users/joel/test-gcc/gcc-svn/libgcc/../include  -DHAVE_CC_TLS  -o _powixf2.o
-MT _powixf2.o -MD -MP -MF _powixf2.dep -DL_powixf2 -c
/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c \

/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c: In function '__powidf2':
/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c:1778:1: error: could not
split insn
(insn 60 111 195 (set (reg:DF 8 %o0)
        (const_double:DF 1.0e+0 [0x0.8p+1]))
/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c:1777 68 {*movdf_insn_sp32}
     (expr_list:REG_EQUAL (const_double:DF 1.0e+0 [0x0.8p+1])
        (nil)))
/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c:1778:1: internal compiler
error: in final_scan_insn, at final.c:2709
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[Bug target/50945] ICE in final_scan_insn, at final.c:2709

[joel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

--- Comment #1 from Joel Sherrill <joel at gcc dot gnu.org> 2011-11-01 17:53:23 UTC ---
Created attachment 25676
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25676
Preprocessed source for failure case

[Bug target/50945] ICE in final_scan_insn, at final.c:2709

[joel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

--- Comment #2 from Joel Sherrill <joel at gcc dot gnu.org> 2011-11-01 17:55:48 UTC ---
WORKS: -O0 -msoft-float 
FAILS: -O1 -msoft-float 
FAILS: -O2 -msoft-float 
WORKS: -O2

[Bug target/50945] ICE on floating-point move with -msoft-float

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|sparc-rtems4.11             |sparc-*-*
                 CC|                            |ebotcazou at gcc dot
                   |                            |gnu.org
               Host|x86_64-unknown-linux-gnu    |
            Version|unknown                     |4.7.0
            Summary|ICE in final_scan_insn, at  |ICE on floating-point move
                   |final.c:2709                |with -msoft-float

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-11-01 18:25:56 UTC ---
Please set the version field when you open a PR ("Unknown" doesn't count) and
try to find a descriptive summary.

[Bug target/50945] [4.7 regression] ICE on floating-point move with -msoft-float

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011-11-01
         AssignedTo|unassigned at gcc dot       |ebotcazou at gcc dot
                   |gnu.org                     |gnu.org
   Target Milestone|---                         |4.7.0
            Summary|ICE on floating-point move  |[4.7 regression] ICE on
                   |with -msoft-float           |floating-point move with
                   |                            |-msoft-float
     Ever Confirmed|0                           |1

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-11-01 18:27:31 UTC ---
Fixing.

[Bug target/50945] [4.7 regression] ICE on floating-point move with -msoft-float

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-11-02 20:03:32 UTC ---
Author: ebotcazou
Date: Wed Nov  2 20:03:27 2011
New Revision: 180791

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180791
Log:
    PR target/50945
    * config/sparc/sparc.md (movsf_insn): Reindent constraints.
    (movdf_insn_sp32): Likewise.  Remove redundant G constraint.
    (movdf_insn_sp64): Likewise.
    (DFmode splitter): Do not test TARGET_FPU.
    (movtf_insn_sp32): Reindent constraints.
    (movtf_insn_sp32_no_fpu): Likewise.
    (movtf_insn_sp64): Likewise.
    (movtf_insn_sp64_hq): Likewise.
    (movtf_insn_sp64_no_fpu): Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/sparc/20111102-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sparc/sparc.md
    trunk/gcc/testsuite/ChangeLog

[Bug target/50945] [4.7 regression] ICE on floating-point move with -msoft-float

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-11-02 20:07:31 UTC ---
Author: ebotcazou
Date: Wed Nov  2 20:07:26 2011
New Revision: 180792

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180792
Log:
    PR target/50945
    * config/sparc/sparc.md (movsf_insn): Reindent constraints.
    (movsf_insn_no_fpu): Likewise.
    (movdf_insn_sp32): Likewise.
    (movdf_insn_sp32_no_fpu): Likewise.
    (movdf_insn_sp32_v9): Likewise.  Remove redundant GY constraint.
    (movdf_insn_sp32_v9_no_fpu): Likewise.
    (movdf_insn_sp64): Likewise.
    (movdf_insn_sp64_no_fpu): Likewise.
    (movtf_insn_sp32): Likewise.
    (movtf_insn_sp32_no_fpu): Likewise.
    (movtf_insn_sp64): Likewise.
    (movtf_insn_sp64_hq): Likewise.
    (movtf_insn_sp64_no_fpu): Likewise.

Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/config/sparc/sparc.md

[Bug target/50945] [4.7 regression] ICE on floating-point move with -msoft-float

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50945

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-11-02 20:09:12 UTC ---
Thanks for reporting the problem.