https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61396
Bug ID: 61396
Summary: [4.10 regression] ICE in simplify_immed_subreg
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: sch...@linux-m68k.org
CC: zadeck at gcc dot gnu.org
Target: powerpc-*-*
$ gcc/xgcc -B gcc/ -O2 -maltivec -m32 -S ../gcc/gcc/testsuite/gcc.dg/pr34856.c
../gcc/gcc/testsuite/gcc.dg/pr34856.c: In function ‘f1’:
../gcc/gcc/testsuite/gcc.dg/pr34856.c:29:1: internal compiler error: in
simplify_immed_subreg, at simplify-rtx.c:5333
}
^
0x9af2ab simplify_immed_subreg
../../gcc/gcc/simplify-rtx.c:5333
0xdc82ae equiv_constant
../../gcc/gcc/cse.c:3814
0xdc89b4 fold_rtx
../../gcc/gcc/cse.c:3132
0xdcafc3 cse_insn
../../gcc/gcc/cse.c:4602
0xdcff3b cse_extended_basic_block
../../gcc/gcc/cse.c:6451
0xdcff3b cse_main
../../gcc/gcc/cse.c:6629
0xdd0456 rest_of_handle_cse
../../gcc/gcc/cse.c:7474
0xdd0456 execute
../../gcc/gcc/cse.c:7518
219f324690529d5ca26ae2081aaee8209132005d is the first bad commit
commit 219f324690529d5ca26ae2081aaee8209132005d
Author: zadeck <zadeck@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed Oct 16 16:00:03 2013 +0000
made rs6000 port support CONST_WIDE_INT
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@203710
138bc75d-0d04-0410-961f-82ee72b054a4
Breakpoint 5, simplify_immed_subreg (outermode=V16QImode, op=0x3fffb78056f0,
innermode=V4SImode, byte=0) at ../../gcc/simplify-rtx.c:5179
5179 rtvec result_v = NULL;
(gdb) p op
$1 = (rtx) 0x3fffb78056f0
(gdb) pr
(const_vector:V4SI [
(const:SI (plus:SI (symbol_ref:SI ("g") [flags 0xc0] <var_decl
0x3fffb76baa18 g>)
(const_int 32 [0x20])))
(const_int 0 [0])
(const_int 0 [0])
(const_int 0 [0])
])
