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2005-01-07 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/19060 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>: Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE (). (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0 and handle extract_range_from_cond returning false. * fold-const.c (fold): Optimize comparisons with min/max even for width > HOST_BITS_PER_WIDE_INT.
* gcc.c-torture/execute/20050104-1.c: New test.
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