re PR target/29256 (loop performance regression)
PR middle-end/29256 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers casted to integer type. (get_address_cost): Decrease cost of [symbol + index] addressing modes if they are significantly more expensive than [reg + index] ones. * gcc.dg/tree-ssa/loop-19.c: New test. From-SVN: r117513
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gcc/testsuite/gcc.dg/tree-ssa/loop-19.c
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