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* [gcc/devel/omp/gcc-12] libgomp: Fix reverse-offload for GOMP_MAP_TO_PSET
@ 2023-02-15 10:48 Tobias Burnus
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From: Tobias Burnus @ 2023-02-15 10:48 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:32fa844bb90ed67f5ce6d79a41a88966c73b5256
commit 32fa844bb90ed67f5ce6d79a41a88966c73b5256
Author: Tobias Burnus <tobias@codesourcery.com>
Date: Wed Feb 15 11:42:00 2023 +0100
libgomp: Fix reverse-offload for GOMP_MAP_TO_PSET
libgomp/
* target.c (gomp_target_rev): Dereference ptr
to get device address.
* testsuite/libgomp.fortran/reverse-offload-5.f90: Add test
for unallocated allocatable.
(cherry picked from commit edaf1d607860075c5ff4ade20c58b3f578ed5489)
Diff:
---
libgomp/ChangeLog.omp | 10 ++++++++++
libgomp/target.c | 8 +++++++-
libgomp/testsuite/libgomp.fortran/reverse-offload-5.f90 | 6 ++++--
3 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/libgomp/ChangeLog.omp b/libgomp/ChangeLog.omp
index 6216ea41b2e..b638cdbb41e 100644
--- a/libgomp/ChangeLog.omp
+++ b/libgomp/ChangeLog.omp
@@ -1,3 +1,13 @@
+2023-02-15 Tobias Burnus <tobias@codesourcery.com>
+
+ Backported from master:
+ 2023-02-15 Tobias Burnus <tobias@codesourcery.com>
+
+ * target.c (gomp_target_rev): Dereference ptr
+ to get device address.
+ * testsuite/libgomp.fortran/reverse-offload-5.f90: Add test
+ for unallocated allocatable.
+
2023-02-15 Tobias Burnus <tobias@codesourcery.com>
Backported from master:
diff --git a/libgomp/target.c b/libgomp/target.c
index ea7a1c3c097..1b911c9bdb9 100644
--- a/libgomp/target.c
+++ b/libgomp/target.c
@@ -3829,8 +3829,14 @@ gomp_target_rev (uint64_t fn_ptr, uint64_t mapnum, uint64_t devaddrs_ptr,
}
int k;
n2 = NULL;
- cdata[i].present = true;
+ /* Dereference devaddrs[j] to get the device addr. */
+ assert (devaddrs[j] - sizes[j] == cdata[i].devaddr);
+ devaddrs[j] = *(uint64_t *) (uintptr_t) (devaddrs[i]
+ + sizes[j]);
+ cdata[j].present = true;
cdata[j].devaddr = devaddrs[j];
+ if (devaddrs[j] == 0)
+ continue;
k = gomp_map_cdata_lookup (cdata, devaddrs, kinds, sizes, j,
devaddrs[j],
devaddrs[j] + sizeof (void*),
diff --git a/libgomp/testsuite/libgomp.fortran/reverse-offload-5.f90 b/libgomp/testsuite/libgomp.fortran/reverse-offload-5.f90
index ef7eb7bdd52..16810eb47de 100644
--- a/libgomp/testsuite/libgomp.fortran/reverse-offload-5.f90
+++ b/libgomp/testsuite/libgomp.fortran/reverse-offload-5.f90
@@ -24,7 +24,7 @@ s2 = 55
!$omp target map(to: A, A2, s1, s2)
block
- integer, allocatable :: ai(:), ai2(:), si1, si2
+ integer, allocatable :: ai(:), ai2(:), ai3(:), si1, si2, si3
a = a * 2
a2 = a2 * 3
@@ -38,7 +38,7 @@ block
!$omp target device (ancestor:1) &
!$omp& map(to: A, s1, ai, si1) map(always, to: a2, s2) &
- !$omp& map(tofrom: ai2, si2)
+ !$omp& map(tofrom: ai2, si2, ai3, si3)
if (shared_mem) then
if (any (a /= 2 * [1,2,3,4])) stop 1
if (s1 /= 4 * 532) stop 2
@@ -52,6 +52,7 @@ block
if (any (ai2 /= [8,4,7,1])) stop 8
if (si1 /= 64) stop 9
if (si2 /= 765) stop 10
+ if (allocated (ai3) .or. allocated(si3)) stop 26
a = a*3
a2 = a2*7
@@ -80,6 +81,7 @@ block
endif
if (any (ai2 /= 21 * [8,4,7,1])) stop 24
if (si2 /= 31 * 765) stop 25
+ if (allocated (ai3) .or. allocated(si3)) stop 27
deallocate (ai, ai2, si1, si2)
end block
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