[Bug c/37184] New: ice in ix86_match_ccmode

[regehr at cs dot utah dot edu]

Seen using r139367 on Ubuntu Hardy on ia32.

regehr@john-home:~/volatile/tmp9$ current-gcc -O1 small.c
small.c: In function ‘func_29’:
small.c:21: internal compiler error: in ix86_match_ccmode, at
config/i386/i386.c:12801
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

regehr@john-home:~/volatile/tmp9$ current-gcc -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../configure --program-prefix=current-
--enable-languages=c,c++ --prefix=/home/regehr : (reconfigured) ../configure
--program-prefix=current- --enable-languages=c,c++ --prefix=/home/regehr :
(reconfigured) ../configure --program-prefix=current- --enable-languages=c,c++
--prefix=/home/regehr
Thread model: posix
gcc version 4.4.0 20080821 (experimental) (GCC) 

regehr@john-home:~/volatile/tmp9$ cat small.c

typedef int int32_t;
typedef unsigned int uint32_t;
__extension__ typedef unsigned long long int uint64_t;
static inline unsigned int
rshift_u_s (unsigned int left, int right)
{
  return left >> right;
}

uint32_t g_15;
int32_t
func_29 (int32_t p_30)
{
  uint32_t l_31;
  uint64_t l_35 = 0x7736EAE11771B705LL;
  uint32_t l_36 = 0xEDB553A8L;
  l_31 = g_15;
  if ((l_31 <
       (rshift_u_s ((g_15 - (g_15 >= l_35)), (l_36 <= 1)))) + mod_rhs (1))
    return 1;
}


-- 
           Summary: ice in ix86_match_ccmode
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: regehr at cs dot utah dot edu
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37184