https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64019
Bug ID: 64019
Summary: ICE in extract_constrain_insn
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: meissner at gcc dot gnu.org
Reporter: pthaugen at gcc dot gnu.org
Host: powerpc64-unknown-linux-gnu
Target: powerpc64-unknown-linux-gnu
Build: powerpc64-unknown-linux-gnu
Created attachment 34070
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34070&action=edit
reduced testcase
ICE building CPU2000 benchmark 188.ammp. Compiled with 'gcc -c -m32 -O2
-mcpu=power7 -ffast-math unonbon.c'.
unonbon.c:63:1: error: insn does not satisfy its constraints:
}
^
(insn 140 88 272 4 (set (reg:DF 108 31 [374])
(mem/u/c:DF (lo_sum:SI (reg:SI 9 9 [377])
(symbol_ref/u:SI ("*.LC1") [flags 0x82])) [2 S8 A64])) 466
{*movdf_hardfloat32}
(expr_list:REG_EQUIV (const_double:DF 1.0e+0 [0x0.8p+1])
(nil)))
unonbon.c:63:1: internal compiler error: in extract_constrain_insn, at
recog.c:2230
0x106df363 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/pthaugen/src/gcc/trunk/gcc/gcc/rtl-error.c:110
0x106df3bb _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/pthaugen/src/gcc/trunk/gcc/gcc/rtl-error.c:121
0x106a5e6f extract_constrain_insn(rtx_insn*)
/home/pthaugen/src/gcc/trunk/gcc/gcc/recog.c:2230
0x10680a83 reload_cse_simplify_operands
/home/pthaugen/src/gcc/trunk/gcc/gcc/postreload.c:415
0x10681b4b reload_cse_simplify
/home/pthaugen/src/gcc/trunk/gcc/gcc/postreload.c:134
0x10681b4b reload_cse_regs_1
/home/pthaugen/src/gcc/trunk/gcc/gcc/postreload.c:231
0x106834cb reload_cse_regs
/home/pthaugen/src/gcc/trunk/gcc/gcc/postreload.c:79
0x106834cb execute
/home/pthaugen/src/gcc/trunk/gcc/gcc/postreload.c:2352
Please submit a full bug report,
