http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57099
Bug #: 57099
Summary: ICE: in extract_insn, at recog.c:2154 (unrecognizable
insn) with -mcmodel=large and TLS variable
Classification: Unclassified
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
Created attachment 29958
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29958
reduced testcase
Compiler output:
$ gcc -mcmodel=large testcase.c
testcase.c: In function 'get_gd':
testcase.c:6:1: error: unrecognizable insn:
}
^
(call_insn/u 5 2 6 2 (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:DI ("tls_gd") [flags 0x12] <var_decl
0x7fb1fda55260 tls_gd>)
] UNSPEC_TLS_GD)
]) testcase.c:5 -1
(expr_list:REG_EH_REGION (const_int -2147483648 [0xffffffff80000000])
(nil))
(nil))
testcase.c:6:1: internal compiler error: in extract_insn, at recog.c:2154
0x9b919a _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/mnt/svn/gcc-trunk/gcc/rtl-error.c:109
0x9b922a _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/mnt/svn/gcc-trunk/gcc/rtl-error.c:117
0x974fa1 extract_insn(rtx_def*)
/mnt/svn/gcc-trunk/gcc/recog.c:2154
0x81219d instantiate_virtual_regs_in_insn
/mnt/svn/gcc-trunk/gcc/function.c:1609
0x81219d instantiate_virtual_regs
/mnt/svn/gcc-trunk/gcc/function.c:1926
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.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-198362-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-198362-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl
Thread model: posix
gcc version 4.9.0 20130427 (experimental) (GCC)
Tested revisions:
r198362 - crash
4.8 r198018 - crash
4.7 r198018 - crash
4.6 r198018 - crash
4.5 r198018 - crash
