[Bug rtl-optimization/52170] ICE in trunc_int_for_mode, at explow.c:57 during simplify_plus_minus

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52170

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-08 
11:32:12 UTC ---
#3  0x0000000000adba40 in neg_const_int (mode=V16QImode, i=0x7ffff765c460) at
/work/local-checkouts/gcc-fsf/gcc/simplify-rtx.c:70
#4  0x0000000000ae96bf in simplify_plus_minus (code=MINUS, mode=V16QImode,
op0=0x7ffff75f17e0, op1=0x7ffff76010e0) at
/work/local-checkouts/gcc-fsf/gcc/simplify-rtx.c:3963

V16QImode constants should not use CONST_INT but CONST_VECTOR.