On Wed, Mar 30, 2011 at 11:45 PM, Ian Lance Taylor <i...@google.com> wrote: > Liu <pro...@gmail.com> writes: > >> if (GET_MODE (dest) == V32QImode) >> tmp_reg = gen_reg_rtx (V32QImode); > >> vpaddd.c:33:1: internal compiler error: in gen_reg_rtx, at emit-rtl.c:863 >> Please submit a full bug report, >> with preprocessed source if appropriate. >> See <http://gcc.gnu.org/bugs.html> for instructions. >> >> emit-rtl.c:863 is gcc_assert (can_create_pseudo_p ()); > > You can only call gen_reg_rtx if can_create_pseudo_p returns true. It > will return false during and after register allocation. Your code is > being called at that time somehow, probably during reload. You have to > either ensure that that does not happen, or, more likely, you have to > arrange to use an existing register rather than create a new one. For > example, look for uses of can_create_pseudo_p in mips.c. > > Ian >
Thank you very much Ian! Does SCRATCH will be OK? And, I will look into can_create_pseudo_p(). --Liu
