[Bug target/64408] New: fr30-elf ICE in extract_insn, at recog.c:2202

[Bug target/64408] New: fr30-elf ICE in extract_insn, at recog.c:2202

[yselkowi at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64408

            Bug ID: 64408
           Summary: fr30-elf ICE in extract_insn, at recog.c:2202
           Product: gcc
           Version: 4.9.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: yselkowi at redhat dot com
              Host: x86_64-cygwin
            Target: fr30-elf
             Build: x86_64-cygwin

Created attachment 34334
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34334&action=edit
preprocessed source

While compiling newlib-2.2.0 with gcc-4.9.2 --target=fr30-elf:

fr30-elf-gcc
-B/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/build/fr30-elf/fr30-elf/newlib/
-isystem
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/build/fr30-elf/fr30-elf/newlib/targ-include
-isystem
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libc/include
-B/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/build/fr30-elf/fr30-elf/libgloss/fr30
-L/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/build/fr30-elf/fr30-elf/libgloss/libnosys
-L/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/libgloss/fr30
   -DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\"
-DPACKAGE_VERSION=\"2.2.0\" -DPACKAGE_STRING=\"newlib\ 2.2.0\"
-DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -I.
-I/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libc/stdlib
-fno-builtin      -g -Os -c -o lib_a-dtoa.o `test -f 'dtoa.c' || echo
'/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libc/stdlib/'`dtoa.c
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libc/stdlib/dtoa.c:
In function ‘_dtoa_r’:
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libc/stdlib/dtoa.c:862:1:
error: unrecognizable insn:
 }
 ^
(insn 211 210 212 2 (set (reg/v:DI 326 [ d ])
        (subreg:DI (reg/v:DF 331 [ _d ]) 0))
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libc/stdlib/dtoa.c:236
-1
     (nil))
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libc/stdlib/dtoa.c:862:1:
internal compiler error: in extract_insn, at recog.c:2202
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Subject: [Bug target/64172] [4.9/5 Regression] Wrong code with GCC vector extensions on ARM when compiled without NEON
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idd172

Mikael Pettersson <mikpelinux at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikpelinux at gmail dot com

--- Comment #11 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Started with r204752 (+ r204771 follow-up fix).  That patch caused some
regressions, but most of them seem to have been latent target bugs.

[Bug target/64408] fr30-elf ICE in extract_insn, at recog.c:2202

[nickc at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64408

--- Comment #1 from Nick Clifton <nickc at gcc dot gnu.org> ---
Author: nickc
Date: Wed Feb  4 13:42:26 2015
New Revision: 220400

URL: https://gcc.gnu.org/viewcvs?rev=220400&root=gcc&view=rev
Log:
    PR target/64408
    * config/fr30/predicates.md (di_operand): Add SUBREG to the list
    of accepted codes.
    (nonimmediate_di_operand): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/fr30/predicates.md

[Bug target/64408] fr30-elf ICE in extract_insn, at recog.c:2202

[nickc at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64408

Nick Clifton <nickc at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nickc at redhat dot com

--- Comment #2 from Nick Clifton <nickc at redhat dot com> ---
Fixed by:

https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00247.html

[Bug target/64408] fr30-elf ICE in extract_insn, at recog.c:2202

[yselkowi at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64408

--- Comment #3 from Yaakov Selkowitz <yselkowi at redhat dot com> ---
(In reply to Nick Clifton from comment #2)
> Fixed by:
> 
> https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00247.html

Fix confirmed with 4.9.2; thanks.

[Bug target/64408] fr30-elf ICE in extract_insn, at recog.c:2202

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64408

Jeffrey A. Law <law at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |law at redhat dot com
         Resolution|---                         |FIXED

--- Comment #4 from Jeffrey A. Law <law at redhat dot com> ---
Resolved long ago by Nick's fix.