[Bug target/64407] New: ICE in simplify_const_unary_operation, at simplify-rtx.c:1730

[Bug target/64407] New: ICE in simplify_const_unary_operation, at simplify-rtx.c:1730

[yselkowi at redhat dot com]

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64407

            Bug ID: 64407
           Summary: ICE in simplify_const_unary_operation, at
                    simplify-rtx.c:1730
           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: xstormy16-elf
             Build: x86_64-cygwin

While compiling newlib-2.2.0 with gcc-4.9.2 --target=xstormy16-elf:

xstormy16-elf-gcc
-B/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/build/xstormy16-elf/xstormy16-elf/newlib/
-isystem
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/build/xstormy16-elf/xstormy16-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/xstormy16-elf/xstormy16-elf/libgloss/xstormy16
-L/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/build/xstormy16-elf/xstormy16-elf/libgloss/libnosys
-L/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/libgloss/xstormy16
   -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/libm/math
-I/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libm/math/../common
-DMALLOC_PROVIDED -DPREFER_SIZE_OVER_SPEED -fno-builtin      -g -ggdb -O2 -pipe
-Wimplicit-function-declaration -c -o lib_a-e_log.o `test -f 'e_log.c' || echo
'/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libm/math/'`e_log.c
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libm/math/e_log.c:
In function ‘__ieee754_log’:
/usr/src/ports/cross-newlib/cross-newlib-2.2.0-1.x86_64/src/newlib-2.2.0/newlib/libm/math/e_log.c:144:1:
internal compiler error: in simplify_const_unary_operation, at
simplify-rtx.c:1730
 }
 ^
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From: "yselkowi at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/64407] ICE in simplify_const_unary_operation, at simplify-rtx.c:1730
Date: Thu, 25 Dec 2014 20:09:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idd407

--- Comment #1 from Yaakov Selkowitz <yselkowi at redhat dot com> ---
Created attachment 34333
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id4333&actioníit
preprocessed source

[Bug target/64407] xstormy16-elf: ICE in simplify_const_unary_operation, at simplify-rtx.c:1730

[nickc at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64407

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> ---
This is fixed in the mainline sources.  I have not tracked where though.

Cheers
  Nick

[Bug target/64407] xstormy16-elf: ICE in simplify_const_unary_operation, at simplify-rtx.c:1730

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64407

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

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

--- Comment #3 from Jeffrey A. Law <law at redhat dot com> ---
Per Nick's comment, this has been fixed on the trunk.  No plans to backport.