[Bug target/48808] New: ICE in spill_failure, at reload1.c:2113

[rmansfield at qnx dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48808

           Summary: ICE in spill_failure, at reload1.c:2113
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rmansfield@qnx.com
              Host: i686-linux-gnu
            Target: arm-unknown-linux-gnueabi
             Build: i686-linux-gnu


Created attachment 24130
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24130
preprocessed source

$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: arm-unknown-linux-gnueabi
Configured with: ../configure --target=arm-unknown-linux-gnueabi
--prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi
--with-sysroot=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi//sys-root
--disable-multilib
--with-local-prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99
--enable-long-long --enable-target-optspace
target_alias=arm-unknown-linux-gnueabi --enable-languages=c++ --disable-shared
--disable-libmudflap --disable-libssp
Thread model: posix
gcc version 4.7.0 20110428 (experimental) [trunk revision 173114] (GCC) 
$ ./xgcc -B. t.i -c -mfloat-abi=softfp -mfpu=vfpv3-d16 -march=armv7-a -O2
t.i: In function 'my_draw_arc':
t.i:209:1: error: unable to find a register to spill in class 'VFP_LO_REGS'
t.i:209:1: error: this is the insn:
(insn 39 41 43 2 (set (subreg:SI (reg:HI 234) 0)
        (fix:SI (fix:DF (reg:DF 77 s14 [233])))) t.i:32 666 {*truncsidf2_vfp}
     (expr_list:REG_DEAD (reg:DF 77 s14 [233])
        (nil)))
t.i:209:1: internal compiler error: in spill_failure, at reload1.c:2113
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.