| commit | f30c7901475fdf64ecad7067572e09e1b561f032 | |
| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 6 May 2005 20:24:00 +0000 (6 20:24 +0000) | ||
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 6 May 2005 20:24:00 +0000 (6 20:24 +0000) | ||
| tree | d915060a51b36c45e01302a15b2e5cc3e27f761c | treesnapshot (tar.gz zip) |
| parent | 498bac87612f93dcfc25f257a394477639b9247c | commitdiff |
PR rtl-optimization/21254
* loop-iv.c (iv_number_of_iterations): Simplify infiniteness
assumptions for loops that otherwise do not roll.
(find_simple_exit): Prefer # of iterations that is guaranteed
not to be infinite.
* loop-unroll.c (decide_peel_once_rolling,
decide_peel_completely): Check whether the loop is infinite.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99332 138bc75d-0d04-0410-961f-82ee72b054a4
* loop-iv.c (iv_number_of_iterations): Simplify infiniteness
assumptions for loops that otherwise do not roll.
(find_simple_exit): Prefer # of iterations that is guaranteed
not to be infinite.
* loop-unroll.c (decide_peel_once_rolling,
decide_peel_completely): Check whether the loop is infinite.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99332 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/loop-iv.c | diffblobblamehistory | |
| gcc/loop-unroll.c | diffblobblamehistory |