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authorRichard Biener <rguenther@suse.de>2020-08-26 14:24:01 +0200
committerRichard Biener <rguenther@suse.de>2020-08-26 14:28:49 +0200
commit71b6257e3a90995e1c1d3d2716a0eec5eef243db (patch)
treedfc83a6f216f1a57b4032e20c6eb56a3250a2420 /gcc/tree-vectorizer.h
parent1f53d8f1d3e7519bd81cc5874e43ed9896cf6180 (diff)
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tree-optimization/96783 - fix vectorization of negative step SLP
This appropriately uses VMAT_ELEMENTWISE when the vectors cannot be filled from a single SLP group until we get more explicit support for negative stride SLP. 2020-08-26 Richard Biener <rguenther@suse.de> PR tree-optimization/96783 * tree-vect-stmts.c (get_group_load_store_type): Use VMAT_ELEMENTWISE for negative strides when we cannot use VMAT_STRIDED_SLP. * gcc.dg/vect/pr96783-1.c: New testcase. * gcc.dg/vect/pr96783-2.c: Likewise.
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