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| author | Bin Cheng <bin.cheng@arm.com> | 2017-05-11 09:52:52 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2017-05-11 09:52:52 +0000 |
| commit | ac5344e0be57c845430e6b4aad97096531536d5c (patch) | |
| tree | b5ad6f3bdbc712dfeff6cf7dced8452c0c7674a8 /gcc | |
| parent | 7a89b97a018b688cf2fdd9f023b81d8a85277648 (diff) | |
| download | gcc-ac5344e0be57c845430e6b4aad97096531536d5c.zip gcc-ac5344e0be57c845430e6b4aad97096531536d5c.tar.gz gcc-ac5344e0be57c845430e6b4aad97096531536d5c.tar.bz2 | |
tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
* tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
(get_shiftadd_cost): Ditto.
From-SVN: r247895
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 14 |
2 files changed, 12 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 96c7b3f..4f8a7b3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2017-05-11 Bin Cheng <bin.cheng@arm.com> + * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments. + (get_shiftadd_cost): Ditto. + +2017-05-11 Bin Cheng <bin.cheng@arm.com> + * tree-ssa-address.c: Include header file. (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory address. diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 7e6fc4c..d8032c8 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, |