[Bug target/49833] [x32] PIC doesn't work

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49833

--- Comment #11 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-25 18:28:22 
UTC ---
[hjl@gnu-6 gcc]$ cat /tmp/foo.c
typedef unsigned int Elf32_Addr;
extern void _start (void) __attribute__ ((visibility ("hidden")));
int
dl_main ( Elf32_Addr *user_entry)
{
  if (*user_entry == (Elf32_Addr) _start)
    return 0;
  else
    return 1;
}
[hjl@gnu-6 gcc]$  ./xgcc -B./ -S -O2 -fPIC /tmp/foo.c   -mx32 -std=gnu99  -dp
[hjl@gnu-6 gcc]$ cat foo.s
    .file    "foo.c"
    .text
    .p2align 4,,15
    .globl    dl_main
    .type    dl_main, @function
dl_main:
.LFB0:
    .cfi_startproc
    xorl    %eax, %eax    # 26    *movsi_xor    [length = 2]
    cmpl    $_start, (%rdi)    # 27    *cmpsi_1/1    [length = 6]
    setne    %al    # 28    *setcc_qi_slp    [length = 3]
    ret    # 24    return_internal    [length = 1]
    .cfi_endproc
.LFE0:
    .size    dl_main, .-dl_main
    .hidden    _start
    .ident    "GCC: (GNU) 4.7.0 20110725 (experimental)"
    .section    .note.GNU-stack,"",@progbits
[hjl@gnu-6 gcc]$