http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55235
--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2012-11-07 17:39:52
UTC ---
(gdb) p debug_rtx (x)
(mem/j/c:BLK (plus:SI (reg/f:SI 54 virtual-stack-vars)
(const_int -16 [0xfffffffffffffff0])) [0 a.V4SF+0 S16 A128])
$1 = void
(gdb) p debug_rtx (y)
(const_vector:V4SF [
(const_double:SF 0.0 [0x0.0p+0])
(const_double:SF 1.0e+0 [0x0.8p+1])
(const_double:SF 2.0e+0 [0x0.8p+2])
(const_double:SF 3.0e+0 [0x0.cp+2])
])
$2 = void
