* simplify-rtx.c (simplify_binary_operation_1): Try to simplify away
NEG as operand of a MULT by merging it with the other operand.
* combine.c (make_compound_operation): Use trunc_int_for_mode when
generating a MULT with constant. Canonicalize PLUS and MINUS involving
MULT.
* config/arm/constraints.md (M): Examine only 32 bits of a
HOST_WIDE_INT.
* config/arm/predicates.md (power_of_two_operand): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162849
138bc75d-0d04-0410-961f-
82ee72b054a4
OSDN Git Service
