Hi,
This is simple comment adjustment.
Thanks,
bin
2017-04-11 Bin Cheng <bin.ch...@arm.com>
* tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
(get_shiftadd_cost): Ditto.From 9f2ca115ef2e376a472d591864a2d7a7dd9daacf Mon Sep 17 00:00:00 2001
From: Bin Cheng <binch...@e108451-lin.cambridge.arm.com>
Date: Wed, 1 Mar 2017 17:36:30 +0000
Subject: [PATCH 23/33] comment-20170220.txt
---
gcc/tree-ssa-loop-ivopts.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c
index 21761e2..dcc4618 100644
--- a/gcc/tree-ssa-loop-ivopts.c
+++ b/gcc/tree-ssa-loop-ivopts.c
@@ -3112,9 +3112,9 @@ 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)
@@ -3959,10 +3959,10 @@ 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,
--
1.9.1
