* i386.c (ix86_expand_move): Never add clobbers to move patterns.
* i386.md (movsi_xor): New.
(movsi_or): New.
(movsi_1, movhi_1, movqi_1): Remove.
(movsi_2): Rename to movsi_1.
(movhi_2): Rename to movhi_1.
(movqi_2): Rename to movqi_1.
(movdi_1): Remove; remove splitter.
(movdi_2): Rename to movdi_1.
(divmodsi4 splitter): Do not emit clobbers for move patterns.
(long move peep2): Do not create QI or HI mode mov0s
(mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
From-SVN: r30741
