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* [gcc r13-6852] Add caveat/safeguard to OpenMP: Handle descriptors in target's firstprivate [PR104949]
@ 2023-03-24 16:16 Thomas Schwinge
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From: Thomas Schwinge @ 2023-03-24 16:16 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:e8fec6998b656dac02d4bc6c69b35a0fb5611e87
commit r13-6852-ge8fec6998b656dac02d4bc6c69b35a0fb5611e87
Author: Thomas Schwinge <thomas@codesourcery.com>
Date: Thu Mar 23 12:32:35 2023 +0100
Add caveat/safeguard to OpenMP: Handle descriptors in target's firstprivate [PR104949]
Follow-up to commit 49d1a2f91325fa8cc011149e27e5093a988b3a49
"OpenMP: Handle descriptors in target's firstprivate [PR104949]".
PR fortran/104949
libgomp/
* target.c (gomp_map_vars_internal) <GOMP_MAP_FIRSTPRIVATE>: Add
caveat/safeguard.
Diff:
---
libgomp/target.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libgomp/target.c b/libgomp/target.c
index 90b4204133a..b30c6a50c7e 100644
--- a/libgomp/target.c
+++ b/libgomp/target.c
@@ -1396,6 +1396,11 @@ gomp_map_vars_internal (struct gomp_device_descr *devicep,
{
uintptr_t target = (uintptr_t) hostaddrs[i];
void *devptr = *(void**) hostaddrs[i+1] + sizes[i+1];
+ /* Per
+ <https://inbox.sourceware.org/gcc-patches/87o7pe12ke.fsf@euler.schwinge.homeip.net>
+ "OpenMP: Handle descriptors in target's firstprivate [PR104949]"
+ this probably needs revision for 'aq' usage. */
+ assert (!aq);
gomp_copy_host2dev (devicep, aq, devptr, &target,
sizeof (void *), false, cbufp);
++i;
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