https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92324
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Richard Biener from comment #4) > Author: rguenth > Date: Fri Nov 8 09:01:41 2019 > New Revision: 277955 > > URL: https://gcc.gnu.org/viewcvs?rev=277955&root=gcc&view=rev > Log: > 2019-11-08 Richard Biener <rguent...@suse.de> > > PR tree-optimization/92324 > * tree-vect-loop.c (vect_create_epilog_for_reduction): Use > STMT_VINFO_REDUC_VECTYPE for all computations, inserting > sign-conversions as necessary. > (vectorizable_reduction): Reject conversions in the chain > that are not sign-conversions, base analysis on a non-converting > stmt and its operation sign. Set STMT_VINFO_REDUC_VECTYPE. > * tree-vect-stmts.c (vect_stmt_relevant_p): Don't dump anything > for debug stmts. > * tree-vectorizer.h (_stmt_vec_info::reduc_vectype): New. > (STMT_VINFO_REDUC_VECTYPE): Likewise. > > * gcc.dg/vect/pr92205.c: XFAIL. > * gcc.dg/vect/pr92324-1.c: New testcase. > * gcc.dg/vect/pr92324-2.c: Likewise. > > Modified: > trunk/gcc/ChangeLog > trunk/gcc/testsuite/ChangeLog > trunk/gcc/testsuite/gcc.dg/vect/pr92205.c > trunk/gcc/tree-vect-loop.c > trunk/gcc/tree-vect-stmts.c > trunk/gcc/tree-vectorizer.h New testcases were not committed for some reason.
