[Bug target/47715] [x32] TLS doesn't work

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47715

--- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-28 02:43:35 
UTC ---
Another testcase:

[hjl@gnu-6 ilp32-28]$ cat y.i
extern __thread int *foo;

extern void x (void *);
void
bar ()
{
  x ((void *) &foo);
}
[hjl@gnu-6 ilp32-28]$ make y.s
/export/build/gnu/gcc/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc/build-x86_64-linux/gcc/ -S -o y.s -mx32 -fPIC -O -dp 
y.i
y.i: In function \u2018bar\u2019:
y.i:8:1: error: unrecognizable insn:
(call_insn/u 5 4 6 3 (parallel [
            (set (reg:DI 0 ax)
                (call:DI (mem:QI (symbol_ref:DI ("__tls_get_addr")) [0 S1 A8])
                    (const_int 0 [0])))
            (unspec:DI [
                    (symbol_ref:SI ("foo") [flags 0x50] <var_decl
0x7fd32b39e140 foo>)
                ] UNSPEC_TLS_GD)
        ]) y.i:7 -1
     (expr_list:REG_EH_REGION (const_int -2147483648 [0xffffffff80000000])
        (nil))
    (nil))
y.i:8:1: internal compiler error: in extract_insn, at recog.c:2115
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make: *** [y.s] Error 1
[hjl@gnu-6 ilp32-28]$