http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48053
Summary: ICE in in build_int_cst_wide, when building cpu2000
galgel/equake/ammp/fma3d/sixtrack
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: pthau...@gcc.gnu.org
CC: d...@gcc.gnu.org, berg...@gcc.gnu.org,
meiss...@gcc.gnu.org
Host: powerpc64-linux
Target: powerpc64-linux
Build: powerpc64-linux
Created attachment 23609
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23609
reduced testcase
The following ICE just showed up on my nightly spec runs.
$ /home/pthaugen/install/gcc/trunk_debug/bin/gcc -c -m64 -O3 -mcpu=power7
-funroll-loops quake.c
quake.c: In function ‘main’:
quake.c:24:1: internal compiler error: in build_int_cst_wide, at tree.c:1226
$ /home/pthaugen/install/gcc/trunk_debug/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/home/pthaugen/install/gcc/trunk_debug/bin/gcc
COLLECT_LTO_WRAPPER=/home/pthaugen/install/gcc/trunk_debug/libexec/gcc/powerpc64-linux/4.6.0/lto-wrapper
Target: powerpc64-linux
Configured with: /home/pthaugen/src/gcc/trunk/gcc/configure
--prefix=/home/pthaugen/install/gcc/trunk_debug --target=powerpc64-linux
--host=powerpc64-linux --build=powerpc64-linux --enable-secureplt
--enable-threads=posix --enable-shared --enable-__cxa_atexit
--with-long-double-128 --enable-decimal-float --disable-alsa --enable-checking
--with-as=/opt/gcc-nightly/binutils-2.20/bin/as
--with-ld=/opt/gcc-nightly/binutils-2.20/bin/ld --with-lto
--with-libelf=/opt/gcc-nightly/gcc-host-libs
--with-gmp=/opt/gcc-nightly/gcc-host-libs
--with-mpfr=/opt/gcc-nightly/gcc-host-libs
--with-mpc=/opt/gcc-nightly/gcc-host-libs --enable-languages=c
--disable-bootstrap
Thread model: posix
gcc version 4.6.0 20110309 (experimental) [trunk revision 170818] (GCC)
Breakpoint 1, build_int_cst_wide (type=0xfffb0f011b8, low=18446744073709551615,
hi=-1)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/tree.c:1226
1226 gcc_unreachable ();
(gdb) prt type
<real_type 0xfffb0f011b8 double sizes-gimplified DF
size <integer_cst 0xfffb0e10780 type <integer_type 0xfffb0f000a8
bit_size_type> constant 64>
unit size <integer_cst 0xfffb0e107a8 type <integer_type 0xfffb0f00000 long
unsigned int> constant 8>
align 64 symtab 0 alias set 2 canonical type 0xfffb0f011b8 precision 64
pointer_to_this <pointer_type 0xfffb0f013b0>>
(gdb) p /x low
$2 = 0xffffffffffffffff
(gdb) p /x hi
$3 = 0xffffffffffffffff
(gdb) p TREE_CODE(type)
$4 = REAL_TYPE
(gdb) bt
#0 build_int_cst_wide (type=0xfffb0f011b8, low=18446744073709551615, hi=-1)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/tree.c:1226
#1 0x00000000103c4120 in make_tree (type=0xfffb0f011b8, x=0xfffb0e70460)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/expmed.c:4960
#2 0x00000000103c4268 in make_tree (type=0xfffb10ceb98, x=0xfffb0e79430)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/expmed.c:4991
#3 0x0000000010bc5d7c in force_const_mem (mode=V2DFmode, x=0xfffb0e79430)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/varasm.c:3543
#4 0x00000000103d7230 in emit_move_insn (x=0xfffb0edba40, y=0xfffb0e79430)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/expr.c:3368
#5 0x0000000010bea40c in rs6000_expand_vector_init (target=0xfffb0edba40,
vals=0xfffb0e79420)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/rs6000.c:5299
#6 0x0000000010e20898 in gen_vec_initv4si (operand0=0xfffb0edba40,
operand1=0xfffb0e79420)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/vector.md:658
#7 0x0000000010e2630c in gen_split_2212 (curr_insn=0xfffb10097e0,
operands=0x1160a8b8)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/altivec.md:246
#8 0x0000000010f3e460 in split_14 (x0=0xfffb0e99930, insn=0xfffb10097e0)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/altivec.md:229
#9 0x0000000010f404f0 in split_insns (x0=0xfffb0e99930, insn=0xfffb10097e0)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/config/rs6000/dfp.md:480
#10 0x000000001038c980 in try_split (pat=0xfffb0e99930, trial=0xfffb10097e0,
last=1)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/emit-rtl.c:3415
#11 0x00000000106dcf9c in split_insn (insn=0xfffb10097e0)
at /home/pthaugen/src/gcc/trunk/gcc/gcc/recog.c:2781
#12 0x00000000106dd5bc in split_all_insns ()
at /home/pthaugen/src/gcc/trunk/gcc/gcc/recog.c:2870
#13 0x00000000106e0700 in rest_of_handle_split_before_sched2 ()
at /home/pthaugen/src/gcc/trunk/gcc/gcc/recog.c:3811
...
