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The then/else order of the VEC_COND_EXPRs created by vect_create_epilog_for_reduction meeds to line up with the main VEC_COND_EXPR. 2019-09-27 Richard Sandiford <richard.sandiford@arm.com> gcc/ PR tree-optimization/91909 * tree-vect-loop.c (vect_create_epilog_for_reduction): Take a reduc_index parameter. When handling COND_REDUCTION, make sure that the reduction phi operand is in the correct arm of the VEC_COND_EXPR. (vectorizable_reduction): Pass reduc_index to the above. From-SVN: r276175
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