https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70372
Bug ID: 70372
Summary: ICE: in wide_int_to_tree, at tree.c:1488 with
-fno-tree-fre and v2ti vectors
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Target: x86_64-pc-linux-gnu
Created attachment 38068
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38068&action=edit
reduced testcase
Compiler output:
$ gcc -O -fno-tree-fre testcase.c
testcase.c: In function 'foo':
testcase.c:5:1: warning: AVX vector return without AVX enabled changes the ABI
[-Wpsabi]
{
^
testcase.c:4:1: note: The ABI for passing parameters with 32-byte alignment has
changed in GCC 4.6
foo (v2ti u, v2ti v)
^~~
testcase.c:4:1: internal compiler error: in wide_int_to_tree, at tree.c:1488
0xe4eac3 wide_int_to_tree(tree_node*,
generic_wide_int<wide_int_ref_storage<false> > const&)
/repo/gcc-trunk/gcc/tree.c:1488
0xe4fd60 build_int_cst_type(tree_node*, long)
/repo/gcc-trunk/gcc/tree.c:1311
0xd5964d eliminate_plus_minus_pair
/repo/gcc-trunk/gcc/tree-ssa-reassoc.c:824
0xd5964d optimize_ops_list
/repo/gcc-trunk/gcc/tree-ssa-reassoc.c:1819
0xd5b1a4 reassociate_bb
/repo/gcc-trunk/gcc/tree-ssa-reassoc.c:5105
0xd5ae17 reassociate_bb
/repo/gcc-trunk/gcc/tree-ssa-reassoc.c:5198
0xd5da1a do_reassoc
/repo/gcc-trunk/gcc/tree-ssa-reassoc.c:5312
0xd5da1a execute_reassoc
/repo/gcc-trunk/gcc/tree-ssa-reassoc.c:5399
0xd5da1a execute
/repo/gcc-trunk/gcc/tree-ssa-reassoc.c:5438
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=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-234405-checking-yes-rtl-df-nographite/bin/../libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-checking=yes,rtl,df --without-cloog --without-ppl --without-isl
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-234405-checking-yes-rtl-df-nographite
Thread model: posix
gcc version 6.0.0 20160322 (experimental) (GCC)
Tested revisions:
trunk r234405 - FAIL
trunk r234373 - FAIL
5-branch r234375 - OK
