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* [gcc/devel/c++-modules] [OpenACC] Remove 'tgt' reference counting from 'acc_unmap_data' [PR92854]
@ 2020-06-11 13:16 Nathan Sidwell
0 siblings, 0 replies; only message in thread
From: Nathan Sidwell @ 2020-06-11 13:16 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:4662f7fe7863b19fcc20ba58c22880f8d6661f3a
commit 4662f7fe7863b19fcc20ba58c22880f8d6661f3a
Author: Thomas Schwinge <thomas@codesourcery.com>
Date: Fri May 29 14:12:16 2020 +0200
[OpenACC] Remove 'tgt' reference counting from 'acc_unmap_data' [PR92854]
libgomp/
PR libgomp/92854
* oacc-mem.c (acc_unmap_data): Remove 'tgt' reference counting.
Diff:
---
libgomp/oacc-mem.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/libgomp/oacc-mem.c b/libgomp/oacc-mem.c
index e2fb651a233..6314f5d8b68 100644
--- a/libgomp/oacc-mem.c
+++ b/libgomp/oacc-mem.c
@@ -477,13 +477,13 @@ acc_unmap_data (void *h)
gomp_mutex_unlock (&acc_dev->lock);
gomp_fatal ("cannot unmap target block");
}
- else if (tgt->refcount > 1)
- tgt->refcount--;
- else
- {
- free (tgt->array);
- free (tgt);
- }
+
+ /* Above, we've verified that the mapping must have been set up by
+ 'acc_map_data'. */
+ assert (tgt->refcount == 1);
+
+ free (tgt->array);
+ free (tgt);
gomp_mutex_unlock (&acc_dev->lock);
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