https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88440
--- Comment #23 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu May 23 11:35:16 2019 New Revision: 271553 URL: https://gcc.gnu.org/viewcvs?rev=271553&root=gcc&view=rev Log: 2019-05-23 Richard Biener <rguent...@suse.de> PR tree-optimization/88440 * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns at -O[2s]+. * tree-loop-distribution.c (generate_memset_builtin): Fold the generated call. (generate_memcpy_builtin): Likewise. (distribute_loop): Pass in whether to only distribute patterns. (prepare_perfect_loop_nest): Also allow size optimization. (pass_loop_distribution::execute): When optimizing a loop nest for size allow pattern replacement. * gcc.dg/tree-ssa/ldist-37.c: New testcase. * gcc.dg/tree-ssa/ldist-38.c: Likewise. * gcc.dg/vect/vect.exp: Add -fno-tree-loop-distribute-patterns. * gcc.dg/tree-ssa/ldist-37.c: Adjust. * gcc.dg/tree-ssa/ldist-38.c: Likewise. * g++.dg/tree-ssa/pr78847.C: Likewise. * gcc.dg/autopar/pr39500-1.c: Likewise. * gcc.dg/autopar/reduc-1char.c: Likewise. * gcc.dg/autopar/reduc-7.c: Likewise. * gcc.dg/tree-ssa/ivopts-lt-2.c: Likewise. * gcc.dg/tree-ssa/ivopts-lt.c: Likewise. * gcc.dg/tree-ssa/predcom-dse-1.c: Likewise. * gcc.dg/tree-ssa/predcom-dse-2.c: Likewise. * gcc.dg/tree-ssa/predcom-dse-3.c: Likewise. * gcc.dg/tree-ssa/predcom-dse-4.c: Likewise. * gcc.dg/tree-ssa/prefetch-7.c: Likewise. * gcc.dg/tree-ssa/prefetch-8.c: Likewise. * gcc.dg/tree-ssa/prefetch-9.c: Likewise. * gcc.dg/tree-ssa/scev-11.c: Likewise. * gcc.dg/vect/costmodel/i386/costmodel-vect-31.c: Likewise. * gcc.dg/vect/costmodel/i386/costmodel-vect-33.c: Likewise. * gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c: Likewise. * gcc.dg/vect/costmodel/x86_64/costmodel-vect-33.c: Likewise. * gcc.target/i386/pr30970.c: Likewise. * gcc.target/i386/vect-double-1.c: Likewise. * gcc.target/i386/vect-double-2.c: Likewise. * gcc.dg/tree-ssa/gen-vect-2.c: Likewise. * gcc.dg/tree-ssa/gen-vect-26.c: Likewise. * gcc.dg/tree-ssa/gen-vect-28.c: Likewise. * gcc.dg/tree-ssa/gen-vect-32.c: Likewise. * gfortran.dg/vect/vect-5.f90: Likewise. * gfortran.dg/vect/vect-8.f90: Likewise. Modified: trunk/gcc/ChangeLog trunk/gcc/opts.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/g++.dg/tree-ssa/pr78847.C trunk/gcc/testsuite/gcc.dg/autopar/pr39500-1.c trunk/gcc/testsuite/gcc.dg/autopar/reduc-1char.c trunk/gcc/testsuite/gcc.dg/autopar/reduc-7.c trunk/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-2.c trunk/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-26.c trunk/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-28.c trunk/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-32.c trunk/gcc/testsuite/gcc.dg/tree-ssa/ivopts-lt-2.c trunk/gcc/testsuite/gcc.dg/tree-ssa/ivopts-lt.c trunk/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-1.c trunk/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-2.c trunk/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c trunk/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-4.c trunk/gcc/testsuite/gcc.dg/tree-ssa/prefetch-7.c trunk/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c trunk/gcc/testsuite/gcc.dg/tree-ssa/prefetch-9.c trunk/gcc/testsuite/gcc.dg/tree-ssa/scev-11.c trunk/gcc/testsuite/gcc.dg/vect/costmodel/i386/costmodel-vect-31.c trunk/gcc/testsuite/gcc.dg/vect/costmodel/i386/costmodel-vect-33.c trunk/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c trunk/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-vect-33.c trunk/gcc/testsuite/gcc.dg/vect/vect.exp trunk/gcc/testsuite/gcc.target/i386/pr30970.c trunk/gcc/testsuite/gcc.target/i386/vect-double-1.c trunk/gcc/testsuite/gcc.target/i386/vect-double-2.c trunk/gcc/testsuite/gfortran.dg/vect/vect-5.f90 trunk/gcc/testsuite/gfortran.dg/vect/vect-8.f90 trunk/gcc/tree-loop-distribution.c
