On 07/20/2011 04:55 AM, Richard Sandiford wrote:
> The "loc_result &&" check makes it seem as though we're trying to cope
> with cases XVECLEN is zero, but that only works if the first (dead) load
> of XEXVECP (regs, 0, 0) is optimised away. Is a length of 0 valid
> in this context? If not, shoul
dwarf2out.c:multiple_reg_loc_descriptor has the code:
size = GET_MODE_SIZE (GET_MODE (XVECEXP (regs, 0, 0)));
loc_result = NULL;
for (i = 0; i < XVECLEN (regs, 0); ++i)
{
dw_loc_descr_ref t;
t = one_reg_loc_descriptor (REGNO (XVECEXP (regs, 0, i)),
