[Bug target/60704] New: ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704

            Bug ID: 60704
           Summary: ICE: in extract_constrain_insn_cached, at recog.c:2156
                    with -flive-range-shrinkage -march=amdfam10
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz

Created attachment 32484
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32484&action=edit
reduced testcase

Compiler output:
$ gcc -flive-range-shrinkage -march=amdfam10 testcase.c 
testcase.c: In function 'foo':
testcase.c:9:1: error: insn does not satisfy its constraints:
 }
 ^
(insn 8 7 9 2 (set (reg:DF 84 [ D.1800 ])
        (float:DF (reg:SI 83 [ D.1799 ]))) testcase.c:8 201 {*floatsidf2_sse}
     (expr_list:REG_DEAD (reg:SI 83 [ D.1799 ])
        (nil)))
testcase.c:9:1: internal compiler error: in extract_constrain_insn_cached, at
recog.c:2156
0xac1ad8 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        /mnt/svn/gcc-trunk/gcc/rtl-error.c:109
0xac1b44 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
        /mnt/svn/gcc-trunk/gcc/rtl-error.c:120
0xa7b70d extract_constrain_insn_cached(rtx_def*)
        /mnt/svn/gcc-trunk/gcc/recog.c:2156
0xfdc4b7 insn_default_latency_amdfam10(rtx_def*)
        /mnt/svn/gcc-trunk/gcc/config/i386/i386.md:23538
0x1348e57 insn_cost(rtx_def*)
        /mnt/svn/gcc-trunk/gcc/haifa-sched.c:1401
0x134f9b9 dep_cost_1(_dep*, unsigned int)
        /mnt/svn/gcc-trunk/gcc/haifa-sched.c:1454
0x135163b dep_cost
        /mnt/svn/gcc-trunk/gcc/haifa-sched.c:1508
0x135163b priority
        /mnt/svn/gcc-trunk/gcc/haifa-sched.c:1649
0x1351aba set_priorities(rtx_def*, rtx_def*)
        /mnt/svn/gcc-trunk/gcc/haifa-sched.c:6530
0xada77c compute_priorities()
        /mnt/svn/gcc-trunk/gcc/sched-rgn.c:2925
0xadd95f schedule_region
        /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3018
0xadd95f schedule_insns
        /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3416
0xade0eb schedule_insns
        /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3401
0xade0eb rest_of_handle_live_range_shrinkage
        /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3614
0xade0eb execute
        /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3704
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

$ gcc -v                                                
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-208888-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-208888-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl
Thread model: posix
gcc version 4.9.0 20140328 (experimental) (GCC)