http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51581
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-06-15 11:07:54 UTC --- Author: jakub Date: Fri Jun 15 11:07:47 2012 New Revision: 188656 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188656 Log: PR tree-optimization/51581 * expr.h (choose_multiplier): New prototype. * expmed.c (choose_multiplier): No longer static. Change multiplier_ptr from rtx * to UHWI *. (expand_divmod): Adjust callers. * tree-vect-patterns.c (vect_recog_sdivmod_pow2_pattern): Renamed to... (vect_recog_divmod_pattern): ... this. Pass bb_vinfo as last argument to new_stmt_vec_info. Attempt to optimize also divisions by non-pow2 constants if integer vector division isn't supported. * tree-vect-stmts.c (vect_analyze_stmt): If node != NULL, don't look at pattern stmts and sequences. * gcc.c-torture/execute/pr51581-1.c: New test. * gcc.c-torture/execute/pr51581-2.c: New test. * gcc.dg/vect/pr51581-1.c: New test. * gcc.dg/vect/pr51581-2.c: New test. * gcc.dg/vect/pr51581-3.c: New test. * gcc.target/i386/avx-pr51581-1.c: New test. * gcc.target/i386/avx-pr51581-2.c: New test. * gcc.target/i386/avx2-pr51581-1.c: New test. * gcc.target/i386/avx2-pr51581-2.c: New test. * gcc.dg/vect/slp-26.c (main1): Divide by 0x8031 instead of 3. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr51581-1.c trunk/gcc/testsuite/gcc.c-torture/execute/pr51581-2.c trunk/gcc/testsuite/gcc.dg/vect/pr51581-1.c trunk/gcc/testsuite/gcc.dg/vect/pr51581-2.c trunk/gcc/testsuite/gcc.dg/vect/pr51581-3.c trunk/gcc/testsuite/gcc.target/i386/avx-pr51581-1.c trunk/gcc/testsuite/gcc.target/i386/avx-pr51581-2.c trunk/gcc/testsuite/gcc.target/i386/avx2-pr51581-1.c trunk/gcc/testsuite/gcc.target/i386/avx2-pr51581-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/expmed.c trunk/gcc/expr.h trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/vect/slp-26.c trunk/gcc/tree-vect-patterns.c trunk/gcc/tree-vect-stmts.c