[Bug middle-end/55142] New: [4.8 Regression] internal compiler error: in plus_constant, at explow.c:88

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55142

             Bug #: 55142
           Summary: [4.8 Regression] internal compiler error: in
                    plus_constant, at explow.c:88
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: hjl.to...@gmail.com
                CC: rdsandif...@googlemail.com, ubiz...@gmail.com


[hjl@gnu-tools-1 delta-2006.08.03]$ cat x.c
typedef int int32_t;
typedef unsigned int uint32_t;
typedef int32_t Elf32_Sword;
typedef struct
{
  Elf32_Sword d_tag;
} Elf32_Dyn;
struct link_map
{
  Elf32_Dyn *l_ld;
  Elf32_Dyn *l_info[34];
};
extern struct link_map _dl_rtld_map __attribute__ ((visibility ("hidden")));
static void elf_get_dynamic_info (struct link_map *l)
{
  Elf32_Dyn *dyn = l->l_ld;
  Elf32_Dyn **info;
  info = l->l_info;
  while (dyn->d_tag != 0)
    {
      if (dyn->d_tag < 11)
    info[0x6ffffeff - dyn->d_tag + 12] = dyn;
      ++dyn;
    }
}
void
dl_start (void)
{
  elf_get_dynamic_info (&_dl_rtld_map);
}
[hjl@gnu-tools-1 delta-2006.08.03]$
/export/build/gnu/gcc-x32/release/usr/gcc-4.8.0-x32/bin/gcc -mx32
-mtune=generic -march=x86-64 x.c  -S -O2  -fPIC -maddress-mode=long
x.c: In function ‘dl_start’:
x.c:22:37: internal compiler error: in plus_constant, at explow.c:88
  info[0x6ffffeff - dyn->d_tag + 12] = dyn;
                                     ^
0x6a656a plus_constant(machine_mode, rtx_def*, long)
    /export/gnu/import/git/gcc/gcc/explow.c:88
0xb107e7 ix86_expand_move(machine_mode, rtx_def**)
    /export/gnu/import/git/gcc/gcc/config/i386/i386.c:15973
0xb85c3e gen_movsi(rtx_def*, rtx_def*)
    /export/gnu/import/git/gcc/gcc/config/i386/i386.md:1813
0x6c11f4 emit_move_insn_1(rtx_def*, rtx_def*)
    /export/gnu/import/git/gcc/gcc/expr.c:3418
0x6c14f0 emit_move_insn(rtx_def*, rtx_def*)
    /export/gnu/import/git/gcc/gcc/expr.c:3512
0x6a6d2e copy_to_mode_reg(machine_mode, rtx_def*)
    /export/gnu/import/git/gcc/gcc/explow.c:645
0x825bc2 maybe_legitimize_operand
    /export/gnu/import/git/gcc/gcc/optabs.c:8080
0x825bc2 maybe_legitimize_operands(insn_code, unsigned int, unsigned int,
expand_operand*)
    /export/gnu/import/git/gcc/gcc/optabs.c:8142
0x825cf8 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
    /export/gnu/import/git/gcc/gcc/optabs.c:8160
0x829364 expand_binop_directly
    /export/gnu/import/git/gcc/gcc/optabs.c:1461
0x82773d expand_binop(machine_mode, optab_tag, rtx_def*, rtx_def*, rtx_def*,
int, optab_methods)
    /export/gnu/import/git/gcc/gcc/optabs.c:1530
0x6c5d78 force_operand(rtx_def*, rtx_def*)
    /export/gnu/import/git/gcc/gcc/expr.c:7057
0x6a6d52 copy_to_mode_reg(machine_mode, rtx_def*)
    /export/gnu/import/git/gcc/gcc/explow.c:641
0x825bc2 maybe_legitimize_operand
    /export/gnu/import/git/gcc/gcc/optabs.c:8080
0x825bc2 maybe_legitimize_operands(insn_code, unsigned int, unsigned int,
expand_operand*)
    /export/gnu/import/git/gcc/gcc/optabs.c:8142
0x825cf8 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
    /export/gnu/import/git/gcc/gcc/optabs.c:8160
0x825f69 maybe_emit_unop_insn(insn_code, rtx_def*, rtx_def*, rtx_code)
    /export/gnu/import/git/gcc/gcc/optabs.c:3774
0x825ff8 emit_unop_insn(insn_code, rtx_def*, rtx_def*, rtx_code)
    /export/gnu/import/git/gcc/gcc/optabs.c:3796
0x6c27b0 convert_modes(machine_mode, machine_mode, rtx_def*, int)
    /export/gnu/import/git/gcc/gcc/expr.c:784
0x6a7161 memory_address_addr_space(machine_mode, rtx_def*, unsigned char)
    /export/gnu/import/git/gcc/gcc/explow.c:429
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.
[hjl@gnu-tools-1 delta-2006.08.03]$