http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47403
Summary: [x32] TLS doesn't work
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: hjl.to...@gmail.com
[hjl@gnu-6 ilp32-15]$ cat x.c
extern __thread int __libc_errno __attribute__ ((tls_model ("initial-exec")));
;
int *
__errno_location (void)
{
return &__libc_errno;
}
[hjl@gnu-6 ilp32-15]$ make
/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/ -S -o x.s -mx32 -O2 -dp
x.c
x.c: In function ‘__errno_location’:
x.c:7:1: error: unrecognizable insn:
(insn 8 7 9 3 (set (reg:SI 59 [ <retval> ])
(reg:DI 63)) x.c:5 -1
(expr_list:REG_EQUAL (symbol_ref:SI ("__libc_errno") [flags 0x60]
<var_decl 0x7f7cc21c8000 __libc_errno>)
(nil)))
x.c:7:1: internal compiler error: in extract_insn, at recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make: *** [x.s] Error 1
[hjl@gnu-6 ilp32-15]$
