diff options
| author | amker <amker@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-05-11 09:52:52 +0000 |
|---|---|---|
| committer | amker <amker@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-05-11 09:52:52 +0000 |
| commit | 69e3186ddb1ca5655057caeec0adbadd1feacb93 (patch) | |
| tree | b5ad6f3bdbc712dfeff6cf7dced8452c0c7674a8 /gcc/tree-ssa-loop-ivopts.c | |
| parent | 9da9c22f4584380dd2809c6f8c9c895194ed7194 (diff) | |
* tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
(get_shiftadd_cost): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@247895 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 7e6fc4c2cd7..d8032c85fa0 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -3108,9 +3108,9 @@ add_candidate_1 (struct ivopts_data *data, The purpose is to avoid splitting latch edge with a biv increment, thus creating a jump, possibly confusing other optimization passes and leaving - less freedom to scheduler. So we allow IP_END_POS only if IP_NORMAL_POS - is not available (so we do not have a better alternative), or if the latch - edge is already nonempty. */ + less freedom to scheduler. So we allow IP_END only if IP_NORMAL is not + available (so we do not have a better alternative), or if the latch edge + is already nonempty. */ static bool allow_ip_end_pos_p (struct loop *loop) @@ -3955,10 +3955,10 @@ adjust_setup_cost (struct ivopts_data *data, unsigned cost, return cost; } - /* Calculate the SPEED or size cost of shiftadd EXPR in MODE. MULT is the - EXPR operand holding the shift. COST0 and COST1 are the costs for - calculating the operands of EXPR. Returns true if successful, and returns - the cost in COST. */ +/* Calculate the SPEED or size cost of shiftadd EXPR in MODE. MULT is the + EXPR operand holding the shift. COST0 and COST1 are the costs for + calculating the operands of EXPR. Returns true if successful, and returns + the cost in COST. */ static bool get_shiftadd_cost (tree expr, machine_mode mode, comp_cost cost0, |