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2005-08-01 Richard Guenther <rguenther@suse.de> PR tree-optimization/23109 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): If trapping math is in effect, use post-dominator information to check if we'd in any case reach a trapping point before doing the reciprocal insertion. (execute_cse_reciprocals): Compute post-dominators, if necessary. * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV expressions are invariant only if trapping math is not in effect. From-SVN: r102627 |
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