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[Bug target/47715] [x32] TLS doesn't work
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 28 Jul 2011 02:43:41 +0000
- Subject: [Bug target/47715] [x32] TLS doesn't work
- Auto-submitted: auto-generated
- References: <bug-47715-4@http.gcc.gnu.org/bugzilla/>
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]$