Testcase is:
gcc.c-torture/compile/pr33614.c
with compiler parameters -Os -fgraphite-identity
------ pr33614.c ------
typedef float V2SF __attribute__ ((vector_size (8)));
V2SF
foo (int x, V2SF a)
{
while (x--)
a += (V2SF) {1.0f/0.0f - 1.0f/0.0f, 1.0f/0.0f - 1.0f/0.0f};
return a;
}
-----------------------
Command line:
gcc -Os -fgraphite-identity pr33614.c
Tested revisions:
r157292 - crash
build dated 20100304 - segfault (disabled checking, both x86 and x86_64)
r157161 - crash
r155966 - crash (release checking)
r153685 - crash
4.4 r157120 - OK (checking)
4.4 r153668 - OK (release checking)
Output - enabled checking:
/mnt/svn/gcc-trunk/binary-157161/bin/gcc -Os -c -fgraphite-identity
/mnt/svn/gcc-trunk/gcc/testsuite/gcc.c-torture/compile/pr33614.c
/mnt/svn/gcc-trunk/gcc/testsuite/gcc.c-torture/compile/pr33614.c: In function
'foo':
/mnt/svn/gcc-trunk/gcc/testsuite/gcc.c-torture/compile/pr33614.c:4:1: internal
compiler error: in emit_move_insn, at expr.c:3432
Output - disabled checking:
$ gcc-4.5.0-alpha20100304 -Os -c -fgraphite-identity
/mnt/svn/gcc-trunk/gcc/testsuite/gcc.c-torture/compile/pr33614.c
gcc-4.5.0-alpha20100304: Internal error: Segmentation fault (program cc1)
--
Summary: ICE: in emit_move_insn, at expr.c:3432 with -Os -
fgraphite-identity
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
GCC host triplet: x86(_64)-pc-linux-gnu
GCC target triplet: x86(_64)-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43300
