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Update comment in gimple-ssa-store-merging.c 

* gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
	loop in comment with memset.

From-SVN: r250201
This commit is contained in:
Kyrylo Tkachov 2017-07-14 09:11:20 +00:00 committed by Kyrylo Tkachov
parent 144e36a796
commit a848c71091
2 changed files with 7 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2017-07-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
loop in comment with memset.
2017-07-14 Martin Liska <mliska@suse.cz>
* cfgexpand.c (expand_gimple_basic_block): Remove dead comment.

4
gcc/gimple-ssa-store-merging.c
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@ -331,8 +331,8 @@ clear_bit_region (unsigned char *ptr, unsigned int start,
else if (start == 0 && len > BITS_PER_UNIT)
{
unsigned int nbytes = len / BITS_PER_UNIT;
/* We could recurse on each byte but do the loop here to avoid
recursing too deep. */
/* We could recurse on each byte but we clear whole bytes, so a simple
memset will do. */
memset (ptr, '\0', nbytes);
/* Clear the remaining sub-byte region if there is one. */
if (len % BITS_PER_UNIT != 0)