https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65593
Bug ID: 65593
Summary: [5 Regression] internal compiler error: in
extract_insn, at recog.c:2343
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
On Linux/x86-64, r221697 gave:
[hjl@gnu-35 gcc-test-spec]$ ./usr/bin/gcc -S -fPIE -O2 -o /tmp/x.s
src-trunk/gcc/testsuite/gcc.c-torture/compile/pr20928.c
src-trunk/gcc/testsuite/gcc.c-torture/compile/pr20928.c: In function
\u2018foo\u2019:
src-trunk/gcc/testsuite/gcc.c-torture/compile/pr20928.c:10:1: error:
unrecognizable insn:
}
^
(insn 7 6 8 2 (set (reg/f:DI 88)
(plus:DI (symbol_ref:DI ("bar") [flags 0x40] <var_decl 0x7ffff0dfac60
bar>)
(reg:DI 89)))
src-trunk/gcc/testsuite/gcc.c-torture/compile/pr20928.c:8 -1
(expr_list:REG_EQUAL (const:DI (plus:DI (symbol_ref:DI ("bar") [flags
0x40] <var_decl 0x7ffff0dfac60 bar>)
(const_int 2147483648 [0x80000000])))
(nil)))
src-trunk/gcc/testsuite/gcc.c-torture/compile/pr20928.c:10:1: internal compiler
error: in extract_insn, at recog.c:2343
0xa9a2c8 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../src-trunk/gcc/rtl-error.c:110
0xa9a2f9 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../src-trunk/gcc/rtl-error.c:118
0xa68659 extract_insn(rtx_insn*)
../../src-trunk/gcc/recog.c:2343
0x86d1f3 instantiate_virtual_regs_in_insn
../../src-trunk/gcc/function.c:1598
0x86d1f3 instantiate_virtual_regs
../../src-trunk/gcc/function.c:1966
0x86d1f3 execute
../../src-trunk/gcc/function.c:2015
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.
[hjl@gnu-35 gcc-test-spec]$
