[Bug target/49305] New: SH Target: internal compiler error: in reload_cse_simplify_operands, at postreload.c:403

["oleg dot endo at t-online dot de" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49305

           Summary: SH Target:  internal compiler error: in
                    reload_cse_simplify_operands, at postreload.c:403
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: oleg.endo@t-online.de


When building newlib 1.19.0 it fails to build the SH2A lib:

sh-elf-gcc -B/home/y/code/gcc/newlib-1.19.0-build-sh-elf/sh-elf/m2a/newlib/
-isystem
/home/y/code/gcc/newlib-1.19.0-build-sh-elf/sh-elf/m2a/newlib/targ-include
-isystem /home/y/code/gcc/newlib-1.19.0/newlib/libc/include
-B/home/y/code/gcc/newlib-1.19.0-build-sh-elf/sh-elf/m2a/libgloss/sh
-L/home/y/code/gcc/newlib-1.19.0-build-sh-elf/sh-elf/m2a/libgloss/libnosys
-L/home/y/code/gcc/newlib-1.19.0/libgloss/sh  -m2a -DPACKAGE_NAME=\"newlib\"
-DPACKAGE_TARNAME=\"newlib\" -DPACKAGE_VERSION=\"1.19.0\"
-DPACKAGE_STRING=\"newlib\ 1.19.0\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\"
-I. -I../../../../../../newlib-1.19.0/newlib/libc/stdio -fno-builtin      -Os
-mnomacsave -mpretend-cmove -mfused-madd -freg-struct-return  -m2a -c
../../../../../../newlib-1.19.0/newlib/libc/stdio/vfwscanf.c -o
lib_a-vfwscanf.o
../../../../../../newlib-1.19.0/newlib/libc/stdio/vfwscanf.c: In function
'__svfwscanf_r':
../../../../../../newlib-1.19.0/newlib/libc/stdio/vfwscanf.c:1454:1: error:
insn does not satisfy its constraints:
(insn 2358 4549 2359 471 (set (reg:SI 0 r0 [1023])
        (sign_extend:SI (mem/s:HI (plus:SI (reg:SI 2 r2)
                    (const_int 12 [0xc])) [5 fp_167(D)->_flags+0 S2 A32])))
../../../../../../newlib-1.19.0/newlib/libc/stdio/vfwscanf.c:1447 164
{*extendqisi2_compact}
     (nil))
../../../../../../newlib-1.19.0/newlib/libc/stdio/vfwscanf.c:1454:1: internal
compiler error: in reload_cse_simplify_operands, at postreload.c:403



sh-elf-gcc -v
Using built-in specs.
COLLECT_GCC=sh-elf-gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/sh-elf/4.7.0/lto-wrapper
Target: sh-elf
Configured with: ../gcc-trunk/configure --target=sh-elf --prefix=/usr/local
--enable-languages=c,c++ --enable-multilib --disable-libssp --without-headers
--disable-nls --disable-werror --enable-lto --with-newlib --with-gnu-as
--with-gnu-ld --with-system-zlib
Thread model: single
gcc version 4.7.0 20110606 (experimental) (GCC)