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* [gcc/devel/autopar_devel] Fix off-by-one error in previous commit
@ 2020-08-22 21:41 Giuliano Belinassi
0 siblings, 0 replies; only message in thread
From: Giuliano Belinassi @ 2020-08-22 21:41 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:e4a1f22c3b3acb1a8e44d19d8a31b2861eefce4b
commit e4a1f22c3b3acb1a8e44d19d8a31b2861eefce4b
Author: Eric Botcazou <ebotcazou@gcc.gnu.org>
Date: Thu May 28 19:29:42 2020 +0200
Fix off-by-one error in previous commit
The bitregion_end field points to the next bit after the region.
gcc/ChangeLog
* gimple-ssa-store-merging.c (merged_store_group::can_be_merged_into):
Fix off-by-one error.
Diff:
---
gcc/gimple-ssa-store-merging.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/gimple-ssa-store-merging.c b/gcc/gimple-ssa-store-merging.c
index 400a0010c34..3ab614148a7 100644
--- a/gcc/gimple-ssa-store-merging.c
+++ b/gcc/gimple-ssa-store-merging.c
@@ -1874,7 +1874,7 @@ merged_store_group::can_be_merged_into (store_immediate_info *info)
|| stores[0]->rhs_code == BIT_INSERT_EXPR)
&& info->bitregion_start == stores[0]->bitregion_start
&& info->bitregion_end == stores[0]->bitregion_end
- && info->bitregion_end - info->bitregion_start < MAX_FIXED_MODE_SIZE)
+ && info->bitregion_end - info->bitregion_start <= MAX_FIXED_MODE_SIZE)
return true;
if (stores[0]->rhs_code == MEM_REF
@@ -1882,7 +1882,7 @@ merged_store_group::can_be_merged_into (store_immediate_info *info)
|| info->rhs_code == BIT_INSERT_EXPR)
&& info->bitregion_start == stores[0]->bitregion_start
&& info->bitregion_end == stores[0]->bitregion_end
- && info->bitregion_end - info->bitregion_start < MAX_FIXED_MODE_SIZE)
+ && info->bitregion_end - info->bitregion_start <= MAX_FIXED_MODE_SIZE)
return true;
return false;
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2020-08-22 21:41 [gcc/devel/autopar_devel] Fix off-by-one error in previous commit Giuliano Belinassi
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