* loop-unroll.c (decide_unroll_constant_iterations,
commit53b01069945a5c1dd8ecb1a34d3f73ad86965112
authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 1 Jun 2016 12:01:17 +0000 (1 12:01 +0000)
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 1 Jun 2016 12:01:17 +0000 (1 12:01 +0000)
treeae7e412f842bbcac3d8dcd2c7ef4fe40679efea6
parent9c9a6c2515033aabbba5a037674573526ab37319
* loop-unroll.c (decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_unroll_stupid): Use
likely upper bounds.
* loop-iv.c (find_simple_exit): Dump likely upper bounds.

* gcc.dg/unroll-6.c: Update template.
* gcc.dg/unroll-7.c: New testcase.
* gcc.dg/unroll-8.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236986 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/loop-iv.c
gcc/loop-unroll.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/unroll-6.c
gcc/testsuite/gcc.dg/unroll-7.c [new file with mode: 0644]
gcc/testsuite/gcc.dg/unroll-8.c [new file with mode: 0644]