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* [gcc r12-119] Add '-Wopenacc-parallelism'
@ 2021-04-26 10:33 Thomas Schwinge
0 siblings, 0 replies; only message in thread
From: Thomas Schwinge @ 2021-04-26 10:33 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:22cff118f7526bec195ed6e41452980820fdf3a8
commit r12-119-g22cff118f7526bec195ed6e41452980820fdf3a8
Author: Thomas Schwinge <thomas@codesourcery.com>
Date: Fri Apr 23 12:23:51 2021 +0200
Add '-Wopenacc-parallelism'
... to diagnose potentially suboptimal choices regarding OpenACC parallelism.
Not enabled by default: too noisy ("*potentially* suboptimal choices"); see
XFAILed 'dg-bogus'es.
gcc/c-family/
* c.opt (Wopenacc-parallelism): New.
gcc/fortran/
* lang.opt (Wopenacc-parallelism): New.
gcc/
* omp-offload.c (oacc_validate_dims): Implement
'-Wopenacc-parallelism'.
* doc/invoke.texi (-Wopenacc-parallelism): Document.
gcc/testsuite/
* c-c++-common/goacc/diag-parallelism-1.c: New.
* c-c++-common/goacc/acc-icf.c: Specify '-Wopenacc-parallelism',
and match diagnostics, as appropriate.
* c-c++-common/goacc/classify-kernels-unparallelized.c: Likewise.
* c-c++-common/goacc/classify-kernels.c: Likewise.
* c-c++-common/goacc/classify-parallel.c: Likewise.
* c-c++-common/goacc/classify-routine.c: Likewise.
* c-c++-common/goacc/classify-serial.c: Likewise.
* c-c++-common/goacc/kernels-decompose-1.c: Likewise.
* c-c++-common/goacc/kernels-decompose-2.c: Likewise.
* c-c++-common/goacc/parallel-dims-1.c: Likewise.
* c-c++-common/goacc/parallel-reduction.c: Likewise.
* c-c++-common/goacc/pr70688.c: Likewise.
* c-c++-common/goacc/routine-1.c: Likewise.
* c-c++-common/goacc/routine-level-of-parallelism-2.c: Likewise.
* c-c++-common/goacc/uninit-dim-clause.c: Likewise.
* gfortran.dg/goacc/classify-kernels-unparallelized.f95: Likewise.
* gfortran.dg/goacc/classify-kernels.f95: Likewise.
* gfortran.dg/goacc/classify-parallel.f95: Likewise.
* gfortran.dg/goacc/classify-routine.f95: Likewise.
* gfortran.dg/goacc/classify-serial.f95: Likewise.
* gfortran.dg/goacc/kernels-decompose-1.f95: Likewise.
* gfortran.dg/goacc/kernels-decompose-2.f95: Likewise.
* gfortran.dg/goacc/parallel-tree.f95: Likewise.
* gfortran.dg/goacc/routine-4.f90: Likewise.
* gfortran.dg/goacc/routine-level-of-parallelism-1.f90: Likewise.
* gfortran.dg/goacc/routine-module-mod-1.f90: Likewise.
* gfortran.dg/goacc/routine-multiple-directives-1.f90: Likewise.
* gfortran.dg/goacc/uninit-dim-clause.f95: Likewise.
libgomp/
* testsuite/libgomp.oacc-c-c++-common/firstprivate-1.c: Specify
'-Wopenacc-parallelism', and match diagnostics, as appropriate.
* testsuite/libgomp.oacc-c-c++-common/loop-auto-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/loop-red-w-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/loop-red-w-2.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/loop-w-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/mode-transitions.c:
Likewise.
* testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/parallel-dims.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c:
Likewise.
* testsuite/libgomp.oacc-c-c++-common/pr85381-3.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/private-variables.c:
Likewise.
* testsuite/libgomp.oacc-c-c++-common/reduction-5.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/reduction-7.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/routine-g-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/routine-w-1.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/routine-wv-2.c: Likewise.
* testsuite/libgomp.oacc-c-c++-common/static-variable-1.c:
Likewise.
* testsuite/libgomp.oacc-fortran/optional-private.f90: Likewise.
* testsuite/libgomp.oacc-fortran/par-reduction-2-1.f: Likewise.
* testsuite/libgomp.oacc-fortran/par-reduction-2-2.f: Likewise.
* testsuite/libgomp.oacc-fortran/parallel-dims.f90: Likewise.
* testsuite/libgomp.oacc-fortran/parallel-reduction.f90: Likewise.
* testsuite/libgomp.oacc-fortran/pr84028.f90: Likewise.
* testsuite/libgomp.oacc-fortran/private-variables.f90: Likewise.
* testsuite/libgomp.oacc-fortran/reduction-1.f90: Likewise.
* testsuite/libgomp.oacc-fortran/reduction-5.f90: Likewise.
* testsuite/libgomp.oacc-fortran/reduction-6.f90: Likewise.
* testsuite/libgomp.oacc-fortran/routine-7.f90: Likewise.
Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>
Co-Authored-By: Tom de Vries <vries@codesourcery.com>
Co-Authored-By: Julian Brown <julian@codesourcery.com>
Co-Authored-By: Kwok Cheung Yeung <kcy@codesourcery.com>
Diff:
---
gcc/c-family/c.opt | 4 +
gcc/doc/invoke.texi | 10 +-
gcc/fortran/lang.opt | 4 +
gcc/omp-offload.c | 29 +++++
gcc/testsuite/c-c++-common/goacc/acc-icf.c | 7 ++
.../goacc/classify-kernels-unparallelized.c | 3 +
.../c-c++-common/goacc/classify-kernels.c | 3 +
.../c-c++-common/goacc/classify-parallel.c | 3 +
.../c-c++-common/goacc/classify-routine.c | 3 +
gcc/testsuite/c-c++-common/goacc/classify-serial.c | 8 ++
.../c-c++-common/goacc/diag-parallelism-1.c | 124 +++++++++++++++++++++
.../c-c++-common/goacc/kernels-decompose-1.c | 3 +
.../c-c++-common/goacc/kernels-decompose-2.c | 4 +
gcc/testsuite/c-c++-common/goacc/parallel-dims-1.c | 7 ++
.../c-c++-common/goacc/parallel-reduction.c | 4 +
gcc/testsuite/c-c++-common/goacc/pr70688.c | 6 +
gcc/testsuite/c-c++-common/goacc/routine-1.c | 8 ++
.../goacc/routine-level-of-parallelism-2.c | 6 +
.../c-c++-common/goacc/uninit-dim-clause.c | 6 +
.../goacc/classify-kernels-unparallelized.f95 | 3 +
.../gfortran.dg/goacc/classify-kernels.f95 | 3 +
.../gfortran.dg/goacc/classify-parallel.f95 | 3 +
.../gfortran.dg/goacc/classify-routine.f95 | 3 +
.../gfortran.dg/goacc/classify-serial.f95 | 6 +
.../gfortran.dg/goacc/kernels-decompose-1.f95 | 3 +
.../gfortran.dg/goacc/kernels-decompose-2.f95 | 4 +
gcc/testsuite/gfortran.dg/goacc/parallel-tree.f95 | 6 +
gcc/testsuite/gfortran.dg/goacc/routine-4.f90 | 9 ++
.../goacc/routine-level-of-parallelism-1.f90 | 6 +
.../gfortran.dg/goacc/routine-module-mod-1.f90 | 4 +
.../goacc/routine-multiple-directives-1.f90 | 5 +
.../gfortran.dg/goacc/uninit-dim-clause.f95 | 6 +
.../libgomp.oacc-c-c++-common/firstprivate-1.c | 5 +
.../libgomp.oacc-c-c++-common/loop-auto-1.c | 4 +
.../libgomp.oacc-c-c++-common/loop-red-w-1.c | 4 +
.../libgomp.oacc-c-c++-common/loop-red-w-2.c | 4 +
.../testsuite/libgomp.oacc-c-c++-common/loop-w-1.c | 4 +
.../libgomp.oacc-c-c++-common/mode-transitions.c | 24 ++++
.../libgomp.oacc-c-c++-common/par-reduction-1.c | 9 ++
.../libgomp.oacc-c-c++-common/par-reduction-2.c | 9 ++
.../libgomp.oacc-c-c++-common/parallel-dims.c | 10 ++
.../libgomp.oacc-c-c++-common/parallel-reduction.c | 5 +-
.../libgomp.oacc-c-c++-common/pr85381-3.c | 6 +
.../libgomp.oacc-c-c++-common/private-variables.c | 16 +++
.../libgomp.oacc-c-c++-common/reduction-5.c | 4 +-
.../libgomp.oacc-c-c++-common/reduction-7.c | 11 ++
.../libgomp.oacc-c-c++-common/routine-g-1.c | 5 +
.../libgomp.oacc-c-c++-common/routine-w-1.c | 4 +
.../libgomp.oacc-c-c++-common/routine-wv-2.c | 4 +
.../libgomp.oacc-c-c++-common/static-variable-1.c | 15 +++
.../libgomp.oacc-fortran/optional-private.f90 | 6 +
.../libgomp.oacc-fortran/par-reduction-2-1.f | 9 ++
.../libgomp.oacc-fortran/par-reduction-2-2.f | 9 ++
.../libgomp.oacc-fortran/parallel-dims.f90 | 6 +
.../libgomp.oacc-fortran/parallel-reduction.f90 | 5 +
libgomp/testsuite/libgomp.oacc-fortran/pr84028.f90 | 4 +
.../libgomp.oacc-fortran/private-variables.f90 | 11 ++
.../testsuite/libgomp.oacc-fortran/reduction-1.f90 | 4 +
.../testsuite/libgomp.oacc-fortran/reduction-5.f90 | 4 +
.../testsuite/libgomp.oacc-fortran/reduction-6.f90 | 4 +
.../testsuite/libgomp.oacc-fortran/routine-7.f90 | 6 +
61 files changed, 511 insertions(+), 3 deletions(-)
diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt
index 3f8b72cdc00..f1b4c3f34ec 100644
--- a/gcc/c-family/c.opt
+++ b/gcc/c-family/c.opt
@@ -1037,6 +1037,10 @@ Wold-style-definition
C ObjC Var(warn_old_style_definition) Init(-1) Warning
Warn if an old-style parameter definition is used.
+Wopenacc-parallelism
+C C++ Var(warn_openacc_parallelism) Warning
+Warn about potentially suboptimal choices related to OpenACC parallelism.
+
Wopenmp-simd
C C++ Var(warn_openmp_simd) Warning LangEnabledBy(C C++,Wall)
Warn if a simd directive is overridden by the vectorizer cost model.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index e98b0962b9f..40cacc6f8e7 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -364,7 +364,9 @@ Objective-C and Objective-C++ Dialects}.
-Wmissing-include-dirs -Wmissing-noreturn -Wno-missing-profile @gol
-Wno-multichar -Wmultistatement-macros -Wnonnull -Wnonnull-compare @gol
-Wnormalized=@r{[}none@r{|}id@r{|}nfc@r{|}nfkc@r{]} @gol
--Wnull-dereference -Wno-odr -Wopenmp-simd @gol
+-Wnull-dereference -Wno-odr @gol
+-Wopenacc-parallelism @gol
+-Wopenmp-simd @gol
-Wno-overflow -Woverlength-strings -Wno-override-init-side-effects @gol
-Wpacked -Wno-packed-bitfield-compat -Wpacked-not-aligned -Wpadded @gol
-Wparentheses -Wno-pedantic-ms-format @gol
@@ -8749,6 +8751,12 @@ Do not warn about compile-time overflow in constant expressions.
Warn about One Definition Rule violations during link-time optimization.
Enabled by default.
+@item -Wopenacc-parallelism
+@opindex Wopenacc-parallelism
+@opindex Wno-openacc-parallelism
+@cindex OpenACC accelerator programming
+Warn about potentially suboptimal choices related to OpenACC parallelism.
+
@item -Wopenmp-simd
@opindex Wopenmp-simd
@opindex Wno-openmp-simd
diff --git a/gcc/fortran/lang.opt b/gcc/fortran/lang.opt
index 388ef8c0fdb..6db01c736be 100644
--- a/gcc/fortran/lang.opt
+++ b/gcc/fortran/lang.opt
@@ -285,6 +285,10 @@ Wuse-without-only
Fortran Var(warn_use_without_only) Warning
Warn about USE statements that have no ONLY qualifier.
+Wopenacc-parallelism
+Fortran
+; Documented in C
+
Wopenmp-simd
Fortran
; Documented in C
diff --git a/gcc/omp-offload.c b/gcc/omp-offload.c
index ba0937fba94..16124613fa7 100644
--- a/gcc/omp-offload.c
+++ b/gcc/omp-offload.c
@@ -928,6 +928,35 @@ oacc_validate_dims (tree fn, tree attrs, int *dims, int level, unsigned used)
pos = TREE_CHAIN (pos);
}
+ bool check = true;
+#ifdef ACCEL_COMPILER
+ check = false;
+#endif
+ if (check
+ && warn_openacc_parallelism
+ && !lookup_attribute ("oacc kernels", DECL_ATTRIBUTES (fn)))
+ {
+ static char const *const axes[] =
+ /* Must be kept in sync with GOMP_DIM enumeration. */
+ { "gang", "worker", "vector" };
+ for (ix = level >= 0 ? level : 0; ix != GOMP_DIM_MAX; ix++)
+ if (dims[ix] < 0)
+ ; /* Defaulting axis. */
+ else if ((used & GOMP_DIM_MASK (ix)) && dims[ix] == 1)
+ /* There is partitioned execution, but the user requested a
+ dimension size of 1. They're probably confused. */
+ warning_at (DECL_SOURCE_LOCATION (fn), OPT_Wopenacc_parallelism,
+ "region contains %s partitioned code but"
+ " is not %s partitioned", axes[ix], axes[ix]);
+ else if (!(used & GOMP_DIM_MASK (ix)) && dims[ix] != 1)
+ /* The dimension is explicitly partitioned to non-unity, but
+ no use is made within the region. */
+ warning_at (DECL_SOURCE_LOCATION (fn), OPT_Wopenacc_parallelism,
+ "region is %s partitioned but"
+ " does not contain %s partitioned code",
+ axes[ix], axes[ix]);
+ }
+
bool changed = targetm.goacc.validate_dims (fn, dims, level, used);
/* Default anything left to 1 or a partitioned default. */
diff --git a/gcc/testsuite/c-c++-common/goacc/acc-icf.c b/gcc/testsuite/c-c++-common/goacc/acc-icf.c
index 98b536c34d0..9cf119bf89c 100644
--- a/gcc/testsuite/c-c++-common/goacc/acc-icf.c
+++ b/gcc/testsuite/c-c++-common/goacc/acc-icf.c
@@ -2,7 +2,12 @@
/* { dg-additional-options "-fopenacc -O2 -fdump-ipa-icf" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#pragma acc routine gang
+/* { dg-bogus "warning: region is worker partitioned but does not contain worker partitioned code" "TODO default 'gang' 'vector'" { xfail *-*-* } .+3 }
+ TODO It's the compiler's own decision to not use 'worker' parallelism here, so it doesn't make sense to bother the user about it. */
int
routine1 (int n)
{
@@ -16,6 +21,8 @@ routine1 (int n)
}
#pragma acc routine gang
+/* { dg-bogus "warning: region is worker partitioned but does not contain worker partitioned code" "TODO default 'gang' 'vector'" { xfail *-*-* } .+3 }
+ TODO It's the compiler's own decision to not use 'worker' parallelism here, so it doesn't make sense to bother the user about it. */
int
routine2 (int n)
{
diff --git a/gcc/testsuite/c-c++-common/goacc/classify-kernels-unparallelized.c b/gcc/testsuite/c-c++-common/goacc/classify-kernels-unparallelized.c
index d4c4b2ca237..218f6248062 100644
--- a/gcc/testsuite/c-c++-common/goacc/classify-kernels-unparallelized.c
+++ b/gcc/testsuite/c-c++-common/goacc/classify-kernels-unparallelized.c
@@ -7,6 +7,9 @@
{ dg-additional-options "-fdump-tree-parloops1-all" }
{ dg-additional-options "-fdump-tree-oaccdevlow" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#define N 1024
extern unsigned int *__restrict a;
diff --git a/gcc/testsuite/c-c++-common/goacc/classify-kernels.c b/gcc/testsuite/c-c++-common/goacc/classify-kernels.c
index 16e9b9e31d1..95a150ca9ac 100644
--- a/gcc/testsuite/c-c++-common/goacc/classify-kernels.c
+++ b/gcc/testsuite/c-c++-common/goacc/classify-kernels.c
@@ -7,6 +7,9 @@
{ dg-additional-options "-fdump-tree-parloops1-all" }
{ dg-additional-options "-fdump-tree-oaccdevlow" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#define N 1024
extern unsigned int *__restrict a;
diff --git a/gcc/testsuite/c-c++-common/goacc/classify-parallel.c b/gcc/testsuite/c-c++-common/goacc/classify-parallel.c
index 933d7664386..230e70c66cd 100644
--- a/gcc/testsuite/c-c++-common/goacc/classify-parallel.c
+++ b/gcc/testsuite/c-c++-common/goacc/classify-parallel.c
@@ -6,6 +6,9 @@
{ dg-additional-options "-fdump-tree-ompexp" }
{ dg-additional-options "-fdump-tree-oaccdevlow" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#define N 1024
extern unsigned int *__restrict a;
diff --git a/gcc/testsuite/c-c++-common/goacc/classify-routine.c b/gcc/testsuite/c-c++-common/goacc/classify-routine.c
index 0b9ba6ea69f..81fe3696baa 100644
--- a/gcc/testsuite/c-c++-common/goacc/classify-routine.c
+++ b/gcc/testsuite/c-c++-common/goacc/classify-routine.c
@@ -6,6 +6,9 @@
{ dg-additional-options "-fdump-tree-ompexp" }
{ dg-additional-options "-fdump-tree-oaccdevlow" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#define N 1024
extern unsigned int *__restrict a;
diff --git a/gcc/testsuite/c-c++-common/goacc/classify-serial.c b/gcc/testsuite/c-c++-common/goacc/classify-serial.c
index 94ace1b3c20..ae052ae6a1c 100644
--- a/gcc/testsuite/c-c++-common/goacc/classify-serial.c
+++ b/gcc/testsuite/c-c++-common/goacc/classify-serial.c
@@ -6,6 +6,9 @@
{ dg-additional-options "-fdump-tree-ompexp" }
{ dg-additional-options "-fdump-tree-oaccdevlow" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#define N 1024
extern unsigned int *__restrict a;
@@ -15,6 +18,11 @@ extern unsigned int *__restrict c;
void SERIAL ()
{
#pragma acc serial loop copyin (a[0:N], b[0:N]) copyout (c[0:N]) /* { dg-message "optimized: assigned OpenACC gang vector loop parallelism" } */
+ /* { dg-bogus "warning: region contains gang partitioned code but is not gang partitioned" "TODO 'serial'" { xfail *-*-* } .-1 }
+ { dg-bogus "warning: region contains worker partitioned code but is not worker partitioned" "" { target *-*-* } .-2 }
+ { dg-bogus "warning: region contains vector partitioned code but is not vector partitioned" "TODO 'serial'" { xfail *-*-* } .-3 }
+ TODO Should we really diagnose this if the user explicitly requested 'serial'?
+ TODO Should we instead diagnose ('-Wextra' category?) that the user may enable use of parallelism if replacing 'serial' with 'parallel', if applicable? */
for (unsigned int i = 0; i < N; i++)
c[i] = a[i] + b[i];
}
diff --git a/gcc/testsuite/c-c++-common/goacc/diag-parallelism-1.c b/gcc/testsuite/c-c++-common/goacc/diag-parallelism-1.c
new file mode 100644
index 00000000000..6ee7bd078dd
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/goacc/diag-parallelism-1.c
@@ -0,0 +1,124 @@
+/* Diagnostics about potentially suboptimal choices related to OpenACC
+ parallelism.
+
+ { dg-additional-options "-Wopenacc-parallelism" }
+*/
+
+
+//TODO 'kernels'
+
+//TODO 'serial'
+
+//TODO 'routine'
+
+//TODO Fortran
+
+
+static void f1 ()
+{
+ int ary[10];
+
+
+#pragma acc parallel num_gangs (1)
+ /* { dg-warning "region contains gang partitioned code but is not gang partitioned" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop gang
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel num_workers (1)
+ /* { dg-warning "region contains worker partitioned code but is not worker partitioned" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop worker
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel vector_length (1)
+ /* { dg-warning "region contains vector partitioned code but is not vector partitioned" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop vector
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+}
+
+
+static void f2 ()
+{
+ int ary[10];
+
+
+#pragma acc parallel num_gangs (8)
+ /* { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop worker
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel num_gangs (8)
+ /* { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop vector
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel num_gangs (8)
+ /* { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop worker vector
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel num_workers (8)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop gang
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel num_workers (8)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop vector
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel num_workers (8)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop gang vector
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel vector_length (8)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop gang
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel vector_length (8)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop worker
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+
+#pragma acc parallel vector_length (8)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
+ {
+ #pragma acc loop gang worker
+ for (int i = 0; i < 10; i++)
+ ary[i] = i;
+ }
+}
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-decompose-1.c b/gcc/testsuite/c-c++-common/goacc/kernels-decompose-1.c
index 87219c88fac..f549cbadfa7 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-decompose-1.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-decompose-1.c
@@ -5,6 +5,9 @@
/* { dg-additional-options "--param=openacc-kernels=decompose" }
{ dg-additional-options "-fdump-tree-omp_oacc_kernels_decompose" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
/* See also '../../gfortran.dg/goacc/kernels-decompose-1.f95'. */
/* It's only with Tcl 8.5 (released in 2007) that "the variable 'varName'
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-decompose-2.c b/gcc/testsuite/c-c++-common/goacc/kernels-decompose-2.c
index 3781e75d0f2..cdf85d4bafa 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-decompose-2.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-decompose-2.c
@@ -4,6 +4,9 @@
/* { dg-additional-options "--param=openacc-kernels=decompose" }
/* { dg-additional-options "-O2" } for 'parloops'. */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
/* See also '../../gfortran.dg/goacc/kernels-decompose-2.f95'. */
/* It's only with Tcl 8.5 (released in 2007) that "the variable 'varName'
@@ -116,6 +119,7 @@ main ()
}
#pragma acc kernels
+ /* { dg-bogus "warning: region contains gang partitioned code but is not gang partitioned" "TODO 'kernels'" { xfail *-*-* } .-1 } */
{
y = f_g (a[5]); /* { dg-line l_part[incr c_part] } */
/*TODO If such a construct is placed in its own part (like it is, here), can't this actually use gang paralelism, instead of "gang-single"?
diff --git a/gcc/testsuite/c-c++-common/goacc/parallel-dims-1.c b/gcc/testsuite/c-c++-common/goacc/parallel-dims-1.c
index 57f682f7a0d..2a8d35d493d 100644
--- a/gcc/testsuite/c-c++-common/goacc/parallel-dims-1.c
+++ b/gcc/testsuite/c-c++-common/goacc/parallel-dims-1.c
@@ -1,11 +1,18 @@
/* Valid use of OpenACC parallelism dimensions clauses: num_gangs, num_workers,
vector_length. */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
void f(int i)
{
#pragma acc kernels num_gangs(i) num_workers(i) vector_length(i)
;
#pragma acc parallel num_gangs(i) num_workers(i) vector_length(i)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO runtime" { xfail *-*-* } .-1 }
+ { dg-bogus "warning: region is worker partitioned but does not contain worker partitioned code" "TODO runtime" { xfail *-*-* } .-2 }
+ { dg-bogus "warning: region is vector partitioned but does not contain vector partitioned code" "TODO runtime" { xfail *-*-* } .-3 }
+ TODO 'region is [...] partitioned' isn't correct for 'i == 1'. */
;
}
diff --git a/gcc/testsuite/c-c++-common/goacc/parallel-reduction.c b/gcc/testsuite/c-c++-common/goacc/parallel-reduction.c
index d7cc9470127..c5c0edc98ee 100644
--- a/gcc/testsuite/c-c++-common/goacc/parallel-reduction.c
+++ b/gcc/testsuite/c-c++-common/goacc/parallel-reduction.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
int
main ()
{
@@ -7,6 +10,7 @@ main ()
#pragma acc data copy (dummy)
{
#pragma acc parallel num_gangs (10) copy (sum) reduction (+:sum)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 } */
{
int v = 5;
sum += 10 + v;
diff --git a/gcc/testsuite/c-c++-common/goacc/pr70688.c b/gcc/testsuite/c-c++-common/goacc/pr70688.c
index 5a236654069..e96a8530772 100644
--- a/gcc/testsuite/c-c++-common/goacc/pr70688.c
+++ b/gcc/testsuite/c-c++-common/goacc/pr70688.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
const int n = 100;
int
@@ -22,6 +25,7 @@ parallel_reduction ()
#pragma acc data copy (dummy)
{
#pragma acc parallel num_gangs (10) copy (sum) reduction (+:sum)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 } */
{
int v = 5;
sum += 10 + v;
@@ -37,10 +41,12 @@ main ()
int i, s = 0;
#pragma acc parallel num_gangs (10) copy (s) reduction (+:s)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 } */
for (i = 0; i < n; i++)
s += i+1;
#pragma acc parallel num_gangs (10) reduction (+:s) copy (s)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 } */
for (i = 0; i < n; i++)
s += i+1;
diff --git a/gcc/testsuite/c-c++-common/goacc/routine-1.c b/gcc/testsuite/c-c++-common/goacc/routine-1.c
index a75692246b6..051f7937dee 100644
--- a/gcc/testsuite/c-c++-common/goacc/routine-1.c
+++ b/gcc/testsuite/c-c++-common/goacc/routine-1.c
@@ -1,15 +1,23 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
#pragma acc routine gang
+/* { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .+3 }
+ { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .+2 }
+ { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+1 } */
void gang (void)
{
}
#pragma acc routine worker
+/* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .+2 }
+ { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+1 } */
void worker (void)
{
}
#pragma acc routine vector
+/* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+1 } */
void vector (void)
{
}
diff --git a/gcc/testsuite/c-c++-common/goacc/routine-level-of-parallelism-2.c b/gcc/testsuite/c-c++-common/goacc/routine-level-of-parallelism-2.c
index a066f2b9c2b..33678fe8d0a 100644
--- a/gcc/testsuite/c-c++-common/goacc/routine-level-of-parallelism-2.c
+++ b/gcc/testsuite/c-c++-common/goacc/routine-level-of-parallelism-2.c
@@ -2,7 +2,13 @@
with the OpenACC 'routine' directive. The Fortran counterpart is
'../../gfortran.dg/goacc/routine-level-of-parallelism-1.f90'. */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#pragma acc routine gang
+/* { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .+3 }
+ { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .+2 }
+ { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+1 } */
void g_1 (void)
{
}
diff --git a/gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c b/gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c
index 827dac71519..d9b143bb108 100644
--- a/gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c
+++ b/gcc/testsuite/c-c++-common/goacc/uninit-dim-clause.c
@@ -1,16 +1,22 @@
/* { dg-additional-options "-Wuninitialized" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
void acc_parallel()
{
int i, j, k;
#pragma acc parallel num_gangs(i) /* { dg-warning "is used uninitialized" } */
+ /* { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-1 } */
;
#pragma acc parallel num_workers(j) /* { dg-warning "is used uninitialized" } */
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
;
#pragma acc parallel vector_length(k) /* { dg-warning "is used uninitialized" } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
;
}
diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95
index 6cca3d6eefb..cb5251a2aeb 100644
--- a/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95
@@ -7,6 +7,9 @@
! { dg-additional-options "-fdump-tree-parloops1-all" }
! { dg-additional-options "-fdump-tree-oaccdevlow" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program main
implicit none
integer, parameter :: n = 1024
diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95
index 715a983bb26..07aaf065e1d 100644
--- a/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95
@@ -7,6 +7,9 @@
! { dg-additional-options "-fdump-tree-parloops1-all" }
! { dg-additional-options "-fdump-tree-oaccdevlow" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program main
implicit none
integer, parameter :: n = 1024
diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95
index 01f06bbcc27..a41e0e68b38 100644
--- a/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95
@@ -6,6 +6,9 @@
! { dg-additional-options "-fdump-tree-ompexp" }
! { dg-additional-options "-fdump-tree-oaccdevlow" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program main
implicit none
integer, parameter :: n = 1024
diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95
index 401d5270391..52cc870dfba 100644
--- a/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95
@@ -6,6 +6,9 @@
! { dg-additional-options "-fdump-tree-ompexp" }
! { dg-additional-options "-fdump-tree-oaccdevlow" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
subroutine ROUTINE
!$acc routine worker
integer, parameter :: n = 1024
diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-serial.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-serial.f95
index 51061afd2c6..6d402e683de 100644
--- a/gcc/testsuite/gfortran.dg/goacc/classify-serial.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/classify-serial.f95
@@ -6,6 +6,9 @@
! { dg-additional-options "-fdump-tree-ompexp" }
! { dg-additional-options "-fdump-tree-oaccdevlow" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program main
implicit none
integer, parameter :: n = 1024
@@ -15,6 +18,9 @@ program main
call setup(a, b)
!$acc serial loop copyin (a(0:n-1), b(0:n-1)) copyout (c(0:n-1)) ! { dg-message "optimized: assigned OpenACC gang vector loop parallelism" }
+ ! { dg-bogus "warning: region contains gang partitioned code but is not gang partitioned" "TODO 'serial'" { xfail *-*-* } .-1 }
+ ! { dg-bogus "warning: region contains worker partitioned code but is not worker partitioned" "" { target *-*-* } .-2 }
+ ! { dg-bogus "warning: region contains vector partitioned code but is not vector partitioned" "TODO 'serial'" { xfail *-*-* } .-3 }
do i = 0, n - 1
c(i) = a(i) + b(i)
end do
diff --git a/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-1.f95 b/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-1.f95
index e2523504ef5..ddaf7f8e43d 100644
--- a/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-1.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-1.f95
@@ -5,6 +5,9 @@
! { dg-additional-options "--param=openacc-kernels=decompose" }
! { dg-additional-options "-fdump-tree-omp_oacc_kernels_decompose" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
! See also '../../c-c++-common/goacc/kernels-decompose-1.c'.
! It's only with Tcl 8.5 (released in 2007) that "the variable 'varName'
diff --git a/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-2.f95 b/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-2.f95
index cc12b77817b..a3cec8325c7 100644
--- a/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-2.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/kernels-decompose-2.f95
@@ -4,6 +4,9 @@
! { dg-additional-options "--param=openacc-kernels=decompose" }
! { dg-additional-options "-O2" } for 'parloops'.
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
! See also '../../c-c++-common/goacc/kernels-decompose-2.c'.
! It's only with Tcl 8.5 (released in 2007) that "the variable 'varName'
@@ -119,6 +122,7 @@ program main
!$acc end kernels
!$acc kernels
+ ! { dg-bogus "warning: region contains gang partitioned code but is not gang partitioned" "TODO 'kernels'" { xfail *-*-* } .-1 }
y = f_g (a(5)) ! { dg-line l_part[incr c_part] }
!TODO If such a construct is placed in its own part (like it is, here), can't this actually use gang paralelism, instead of "gang-single"?
! { dg-message "note: beginning 'gang-single' part in OpenACC 'kernels' region" "" { target *-*-* } l_part$c_part }
diff --git a/gcc/testsuite/gfortran.dg/goacc/parallel-tree.f95 b/gcc/testsuite/gfortran.dg/goacc/parallel-tree.f95
index e33653bdd78..c51cb2a0504 100644
--- a/gcc/testsuite/gfortran.dg/goacc/parallel-tree.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/parallel-tree.f95
@@ -2,6 +2,9 @@
! test for tree-dump-original and spaces-commas
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program test
implicit none
integer :: q, i, j, k, m, n, o, p, r, s, t, u, v, w
@@ -12,6 +15,9 @@ program test
!$acc no_create(n) &
!$acc present(o), pcopy(p), pcopyin(r), pcopyout(s), pcreate(t) &
!$acc deviceptr(u), private(v), firstprivate(w)
+ ! { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-1 }
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 }
!$acc end parallel
end program test
diff --git a/gcc/testsuite/gfortran.dg/goacc/routine-4.f90 b/gcc/testsuite/gfortran.dg/goacc/routine-4.f90
index 6714c7b8229..53b1fbe5039 100644
--- a/gcc/testsuite/gfortran.dg/goacc/routine-4.f90
+++ b/gcc/testsuite/gfortran.dg/goacc/routine-4.f90
@@ -1,5 +1,8 @@
! Test invalid calls to routines.
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
module param
integer, parameter :: N = 32
end module param
@@ -120,6 +123,9 @@ contains
subroutine gang (a) ! { dg-message "declared here" 3 }
!$acc routine gang
+ ! { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-2 }
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-3 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-4 }
integer, intent (inout) :: a(N)
integer :: i
@@ -130,6 +136,8 @@ contains
subroutine worker (a) ! { dg-message "declared here" 2 }
!$acc routine worker
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 }
integer, intent (inout) :: a(N)
integer :: i
@@ -140,6 +148,7 @@ contains
subroutine vector (a) ! { dg-message "declared here" }
!$acc routine vector
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 }
integer, intent (inout) :: a(N)
integer :: i
diff --git a/gcc/testsuite/gfortran.dg/goacc/routine-level-of-parallelism-1.f90 b/gcc/testsuite/gfortran.dg/goacc/routine-level-of-parallelism-1.f90
index 83b8c24b41d..99929f136f6 100644
--- a/gcc/testsuite/gfortran.dg/goacc/routine-level-of-parallelism-1.f90
+++ b/gcc/testsuite/gfortran.dg/goacc/routine-level-of-parallelism-1.f90
@@ -2,8 +2,14 @@
! with the OpenACC routine directive. The C/C++ counterpart is
! '../../c-c++-common/goacc/routine-level-of-parallelism-2.c'.
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
subroutine g_1
!$acc routine gang
+ ! { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-2 }
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-3 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-4 }
end subroutine g_1
subroutine s_1_2a
diff --git a/gcc/testsuite/gfortran.dg/goacc/routine-module-mod-1.f90 b/gcc/testsuite/gfortran.dg/goacc/routine-module-mod-1.f90
index 23c673fe3bd..22106508141 100644
--- a/gcc/testsuite/gfortran.dg/goacc/routine-module-mod-1.f90
+++ b/gcc/testsuite/gfortran.dg/goacc/routine-module-mod-1.f90
@@ -2,6 +2,9 @@
! { dg-additional-options "-fopt-info-optimized-omp" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
module routine_module_mod_1
contains
subroutine s_1
@@ -53,6 +56,7 @@ contains
subroutine g_1
implicit none
!$acc routine gang
+ ! { dg-bogus "warning: region is worker partitioned but does not contain worker partitioned code" "TODO default 'gang' 'vector'" { xfail *-*-* } .-3 }
integer :: i
diff --git a/gcc/testsuite/gfortran.dg/goacc/routine-multiple-directives-1.f90 b/gcc/testsuite/gfortran.dg/goacc/routine-multiple-directives-1.f90
index 6e12ee92155..622a9d9ccce 100644
--- a/gcc/testsuite/gfortran.dg/goacc/routine-multiple-directives-1.f90
+++ b/gcc/testsuite/gfortran.dg/goacc/routine-multiple-directives-1.f90
@@ -1,5 +1,8 @@
! Check for valid cases of multiple OpenACC 'routine' directives.
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
SUBROUTINE s_1
!$ACC ROUTINE(s_1)
!$ACC ROUTINE(s_1) SEQ
@@ -17,12 +20,14 @@
!$ACC ROUTINE VECTOR
!$ACC ROUTINE(v_1) VECTOR
!$ACC ROUTINE VECTOR
+! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-5 }
END SUBROUTINE v_1
SUBROUTINE v_2
!$ACC ROUTINE(v_2) VECTOR
!$ACC ROUTINE VECTOR
!$ACC ROUTINE(v_2) VECTOR
+! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-4 }
END SUBROUTINE v_2
SUBROUTINE sub_1
diff --git a/gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95 b/gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95
index c77d47a3900..59e923f90fb 100644
--- a/gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95
+++ b/gcc/testsuite/gfortran.dg/goacc/uninit-dim-clause.f95
@@ -1,16 +1,22 @@
! { dg-additional-options "-Wuninitialized" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
subroutine acc_parallel
implicit none
integer :: i, j, k
!$acc parallel num_gangs(i) ! { dg-warning "is used uninitialized" }
+ ! { dg-warning "region is gang partitioned but does not contain gang partitioned code" "" { target *-*-* } .-1 }
!$acc end parallel
!$acc parallel num_workers(j) ! { dg-warning "is used uninitialized" }
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
!$acc end parallel
!$acc parallel vector_length(k) ! { dg-warning "is used uninitialized" }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 }
!$acc end parallel
end subroutine acc_parallel
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/firstprivate-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/firstprivate-1.c
index 689a443ca43..0990e3db224 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/firstprivate-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/firstprivate-1.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <openacc.h>
@@ -117,6 +120,8 @@ void t4 ()
arr[i] = 3;
#pragma acc parallel firstprivate(x) copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang
for (i = 0; i < 32; i++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-auto-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-auto-1.c
index 0273c2bddd7..c13cab780cb 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-auto-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-auto-1.c
@@ -3,6 +3,9 @@
/* { dg-additional-options "-fopenacc-dim=32" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <stdio.h>
#include <openacc.h>
#include <gomp-constants.h>
@@ -151,6 +154,7 @@ int gang_1 (int *ary, int size)
clear (ary, size);
#pragma acc parallel num_gangs (32) num_workers (32) vector_length(32) copy(ary[0:size]) firstprivate (size)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop auto
for (int jx = 0; jx < size / 64; jx++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-1.c
index 648f89e1668..2f749e04ae0 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-1.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <stdio.h>
#include <openacc.h>
#include <gomp-constants.h>
@@ -12,6 +15,7 @@ int main ()
#pragma acc parallel num_workers(32) vector_length(32) copy(ondev) \
copyout(workersize)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop worker reduction(+:t)
for (unsigned ix = 0; ix < N; ix++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-2.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-2.c
index f9fcf3703af..9727e22d3c2 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-2.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-w-2.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <stdio.h>
#include <openacc.h>
#include <gomp-constants.h>
@@ -12,6 +15,7 @@ int main ()
#pragma acc parallel num_workers(32) vector_length(32) copy(q) copy(ondev) \
copyout(workersize)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int t = q;
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.c
index 5fe486f50a1..d639e14a67c 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <stdio.h>
#include <openacc.h>
#include <gomp-constants.h>
@@ -16,6 +19,7 @@ int main ()
#pragma acc parallel num_workers(32) vector_length(32) copy(ary) copy(ondev) \
copyout(workersize)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "vector" { target *-*-* } .-2 } */
{
#pragma acc loop worker
for (unsigned ix = 0; ix < N; ix++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/mode-transitions.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/mode-transitions.c
index 4474c127992..6c989abedf5 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/mode-transitions.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/mode-transitions.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
/* Miscellaneous test cases for gang/worker/vector mode transitions. */
#include <assert.h>
@@ -287,6 +290,7 @@ void t7()
int n = 0;
#pragma acc parallel copy(n) \
num_gangs(1) num_workers(1) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
n++;
}
@@ -310,6 +314,7 @@ void t8()
#pragma acc parallel copy(arr) \
num_gangs(gangs) num_workers(1) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -339,6 +344,7 @@ void t9()
#pragma acc parallel copy(arr) \
num_gangs(gangs) num_workers(1) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -371,6 +377,7 @@ void t10()
#pragma acc parallel copy(arr) \
num_gangs(gangs) num_workers(1) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -404,6 +411,7 @@ void t11()
#pragma acc parallel copy(arr) \
num_gangs(1024) num_workers(1) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
@@ -442,6 +450,7 @@ void t12()
#pragma acc parallel copyout(fizz, buzz, fizzbuzz) \
num_gangs(NUM_GANGS) num_workers(1) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
@@ -488,6 +497,7 @@ void t13()
#pragma acc parallel copy(arr) \
num_gangs(8) num_workers(8) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -613,6 +623,7 @@ void t16()
#pragma acc parallel copy(n, arr) \
num_gangs(8) num_workers(16) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -665,6 +676,7 @@ void t17()
#pragma acc parallel copyin(arr_a) copyout(arr_b) \
num_gangs(num_gangs) num_workers(num_workers) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -882,6 +894,8 @@ void t21()
#pragma acc parallel copy(arr) \
num_gangs(8) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 } */
{
int j;
#pragma acc loop gang
@@ -905,6 +919,8 @@ void t22()
#pragma acc parallel copy(arr) \
num_gangs(8) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 } */
{
int j;
#pragma acc loop gang
@@ -931,6 +947,8 @@ void t23()
#pragma acc parallel copy(arr) \
num_gangs(8) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 } */
{
int j;
#pragma acc loop gang
@@ -957,6 +975,8 @@ void t24()
#pragma acc parallel copy(arr) \
num_gangs(8) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 } */
{
int j;
#pragma acc loop gang
@@ -988,6 +1008,7 @@ void t25()
#pragma acc parallel copy(arr) \
num_gangs(8) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -1020,6 +1041,7 @@ void t26()
#pragma acc parallel copy(arr) \
num_gangs(8) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 } */
{
int j;
#pragma acc loop gang
@@ -1070,6 +1092,8 @@ void t27()
#pragma acc parallel copy(n, arr) copyout(ondev) \
num_gangs(ACTUAL_GANGS) num_workers(8) vector_length(32)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'atomic'" { xfail *-*-* } .-2 } */
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-3 } */
{
int j;
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c
index 0c1ecc68e9d..8157cff109a 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <assert.h>
/* Test of reduction on parallel directive. */
@@ -16,6 +19,9 @@ main (int argc, char *argv[])
#endif
#pragma acc parallel num_gangs(GANGS) num_workers(32) vector_length(32) \
reduction(+:res1) copy(res2, res1)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail { ! openacc_host_selected } } .-2 } */
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-3 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-4 } */
{
res1 += 5;
@@ -37,6 +43,9 @@ main (int argc, char *argv[])
#endif
#pragma acc parallel num_gangs(GANGS) num_workers(32) vector_length(32) \
reduction(*:res1) copy(res1, res2)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail { ! openacc_host_selected } } .-2 } */
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-3 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-4 } */
{
res1 *= 5;
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c
index e3ed281610d..8b7900e66ff 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c
@@ -1,6 +1,9 @@
/* Test of reduction on parallel directive (with async). */
/* See also Fortran variants in "../libgomp.oacc-fortran/par-reduction-2*". */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <assert.h>
#include <openacc.h>
@@ -16,6 +19,9 @@ main (int argc, char *argv[])
#endif
#pragma acc parallel num_gangs(GANGS) num_workers(32) vector_length(32) \
reduction(+:res1) copy(res1, res2) async(1)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail { ! openacc_host_selected } } .-2 } */
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-3 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-4 } */
{
res1 += 5;
@@ -39,6 +45,9 @@ main (int argc, char *argv[])
#endif
#pragma acc parallel num_gangs(GANGS) num_workers(32) vector_length(32) \
reduction(*:res1) copy(res1, res2) async(1)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail { ! openacc_host_selected } } .-2 } */
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-3 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-4 } */
{
res1 *= 5;
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-dims.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-dims.c
index cc4c738c1db..ef4917aafff 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-dims.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-dims.c
@@ -1,6 +1,9 @@
/* OpenACC parallelism dimensions clauses: num_gangs, num_workers,
vector_length. */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
/* See also '../libgomp.oacc-fortran/parallel-dims.f90'. */
#include <limits.h>
@@ -105,6 +108,7 @@ int main ()
gangs_max = workers_max = vectors_max = INT_MIN;
#pragma acc parallel copy (gangs_actual) \
num_gangs (GANGS) /* { dg-warning "'num_gangs' value must be positive" "" { target c++ } } */
+ /* { dg-warning "region contains gang partitioned code but is not gang partitioned" "" { target *-*-* } .-2 } */
{
/* We're actually executing with num_gangs (1). */
gangs_actual = 1;
@@ -134,6 +138,7 @@ int main ()
gangs_max = workers_max = vectors_max = INT_MIN;
#pragma acc parallel copy (workers_actual) \
num_workers (WORKERS) /* { dg-warning "'num_workers' value must be positive" "" { target c++ } } */
+ /* { dg-warning "region contains worker partitioned code but is not worker partitioned" "" { target *-*-* } .-2 } */
{
/* We're actually executing with num_workers (1). */
workers_actual = 1;
@@ -163,6 +168,7 @@ int main ()
gangs_max = workers_max = vectors_max = INT_MIN;
#pragma acc parallel copy (vectors_actual) /* { dg-warning "using vector_length \\(32\\), ignoring 1" "" { target openacc_nvidia_accel_selected } } */ \
vector_length (VECTORS) /* { dg-warning "'vector_length' value must be positive" "" { target c++ } } */
+ /* { dg-warning "region contains vector partitioned code but is not vector partitioned" "" { target *-*-* } .-2 } */
{
/* We're actually executing with vector_length (1), just the GCC nvptx
back end enforces vector_length (32). */
@@ -208,6 +214,7 @@ int main ()
#pragma acc parallel copy (gangs_actual) \
reduction (min: gangs_min, workers_min, vectors_min) reduction (max: gangs_max, workers_max, vectors_max) \
num_gangs (gangs)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-3 } */
{
if (acc_on_device (acc_device_host))
{
@@ -617,6 +624,9 @@ int main ()
gangs_max = workers_max = vectors_max = INT_MIN;
#pragma acc serial copy (vectors_actual) /* { dg-warning "using vector_length \\(32\\), ignoring 1" "" { target openacc_nvidia_accel_selected } } */ \
copy (gangs_min, gangs_max, workers_min, workers_max, vectors_min, vectors_max)
+ /* { dg-bogus "warning: region contains gang partitioned code but is not gang partitioned" "TODO 'serial'" { xfail *-*-* } .-2 }
+ { dg-bogus "warning: region contains worker partitioned code but is not worker partitioned" "TODO 'serial'" { xfail *-*-* } .-3 }
+ { dg-bogus "warning: region contains vector partitioned code but is not vector partitioned" "TODO 'serial'" { xfail *-*-* } .-4 } */
{
if (acc_on_device (acc_device_nvidia))
{
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c
index 80745816fff..b15ee8b22ff 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c
@@ -1,4 +1,5 @@
-/* { dg-do run } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
#include <stdlib.h>
#include <openacc.h>
@@ -15,6 +16,7 @@ main ()
#pragma acc data copy (dummy)
{
#pragma acc parallel num_gangs (N) reduction (+:s1) copy(s1)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 } */
{
s1++;
}
@@ -35,6 +37,7 @@ main ()
s2 = 0;
#pragma acc parallel num_gangs (10) reduction (+:s1, s2) copy(s1, s2)
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 } */
{
s1++;
s2 += N;
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/pr85381-3.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/pr85381-3.c
index cddbf271906..2a7e48116c3 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/pr85381-3.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/pr85381-3.c
@@ -2,10 +2,14 @@
{ dg-skip-if "" { *-*-* } { "*" } { "-O2" } } */
/* { dg-additional-options "-foffload=-fdump-rtl-mach" } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
int a;
#pragma acc declare create(a)
#pragma acc routine vector
+/* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+2 } */
void __attribute__((noinline, noclone))
foo_v (void)
{
@@ -13,6 +17,8 @@ foo_v (void)
}
#pragma acc routine worker
+/* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .+3 }
+ { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+2 } */
void __attribute__((noinline, noclone))
foo_w (void)
{
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/private-variables.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/private-variables.c
index 53f03d17bb2..3cc6f150f63 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/private-variables.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/private-variables.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <assert.h>
#include <openacc.h>
@@ -22,6 +25,8 @@ void local_g_1()
arr[i] = 3;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
int x;
@@ -295,6 +300,8 @@ void loop_g_1()
arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang private(x)
for (i = 0; i < 32; i++)
@@ -320,6 +327,7 @@ void loop_g_2()
arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang private(x)
for (i = 0; i < 32; i++)
@@ -348,6 +356,7 @@ void loop_g_3()
arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang private(x)
for (i = 0; i < 32; i++)
@@ -376,6 +385,7 @@ void loop_g_4()
arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang private(x)
for (i = 0; i < 32; i++)
@@ -408,6 +418,7 @@ void loop_g_5()
arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang private(x)
for (i = 0; i < 32; i++)
@@ -438,6 +449,7 @@ void loop_g_6()
arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang private(pt)
for (i = 0; i < 32; i++)
@@ -559,6 +571,7 @@ void loop_w_1()
arr[i] = i;
#pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
int j;
@@ -875,6 +888,8 @@ void parallel_g_1()
arr[i] = 3;
#pragma acc parallel private(x) copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang(static:1)
for (i = 0; i < 32; i++)
@@ -904,6 +919,7 @@ void parallel_g_2()
arr[i] = i;
#pragma acc parallel private(x) copy(arr) num_gangs(32) num_workers(2) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang
for (i = 0; i < 32; i++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c
index 1cec9f152c4..bae1dee6ad2 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-5.c
@@ -1,4 +1,5 @@
-/* { dg-do run } */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
/* Multiple reductions. */
@@ -45,6 +46,7 @@ main (void)
/* Nvptx targets require a vector_length or 32 in to allow spinlocks with
gangs. */
check_reduction (num_workers (nw) vector_length (vl), worker);
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
check_reduction (vector_length (vl), vector);
check_reduction (num_gangs (ng) num_workers (nw) vector_length (vl), gang
worker vector);
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-7.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-7.c
index c4940b8ad9d..c2fb922a7f1 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-7.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-7.c
@@ -1,5 +1,8 @@
/* Tests of reduction on loop directive. */
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <assert.h>
@@ -14,6 +17,8 @@ void g_np_1()
arr[i] = i;
#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang reduction(+:res)
for (i = 0; i < 1024; i++)
@@ -28,6 +33,8 @@ void g_np_1()
res = hres = 1;
#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang reduction(*:res)
for (i = 0; i < 12; i++)
@@ -52,6 +59,7 @@ void gv_np_1()
arr[i] = i;
#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang vector reduction(+:res)
for (i = 0; i < 1024; i++)
@@ -76,6 +84,7 @@ void gw_np_1()
arr[i] = i;
#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop gang worker reduction(+:res)
for (i = 0; i < 1024; i++)
@@ -239,6 +248,7 @@ void v_p_1()
#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
private(res) copyout(out)
+ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang
for (j = 0; j < 32; j++)
@@ -315,6 +325,7 @@ void w_p_1()
#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
private(res) copyout(out)
+ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang
for (j = 0; j < 32; j++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-g-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-g-1.c
index a164f576bc3..1536ce0ecb2 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-g-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-g-1.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <stdio.h>
#include <openacc.h>
#include <gomp-constants.h>
@@ -6,6 +9,8 @@
#pragma acc routine gang
void __attribute__ ((noinline)) gang (int ary[N])
+/* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 } */
+/* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 } */
{
#pragma acc loop gang
for (unsigned ix = 0; ix < N; ix++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-w-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-w-1.c
index acd9884cbd6..b9137d81935 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-w-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-w-1.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <stdio.h>
#include <openacc.h>
#include <gomp-constants.h>
@@ -6,6 +9,7 @@
#pragma acc routine worker
void __attribute__ ((noinline)) worker (int ary[N])
+/* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 } */
{
#pragma acc loop worker
for (unsigned ix = 0; ix < N; ix++)
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-wv-2.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-wv-2.c
index 9769ee72430..a03a2c2b163 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-wv-2.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/routine-wv-2.c
@@ -1,3 +1,6 @@
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#include <stdio.h>
#include <openacc.h>
#include <gomp-constants.h>
@@ -44,6 +47,7 @@ int DoWorkVec (int nw)
printf ("spawning %d ...", nw); fflush (stdout);
#pragma acc parallel num_workers(nw) vector_length (NUM_VECTORS) copy (ary)
+ /* { dg-warning "region contains vector partitioned code but is not vector partitioned" "" { target openacc_radeon_accel_selected } .-1 } */
{
WorkVec ((int *)ary, WIDTH, HEIGHT, nw, NUM_VECTORS);
}
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/static-variable-1.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/static-variable-1.c
index 1d415cdcf76..0c071c37346 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/static-variable-1.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/static-variable-1.c
@@ -9,6 +9,9 @@
variables" (only visible to members of the GitHub OpenACC organization).
*/
+/* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+ aspects of that functionality. */
+
#undef NDEBUG
#include <assert.h>
@@ -63,6 +66,9 @@ static void t0_c(void)
static const int t0_r_var_init = 61;
#pragma acc routine gang
+/* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'atomic'" { xfail *-*-* } .+4 } */
+/* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .+3 } */
+/* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+2 } */
__attribute__((noinline))
static int t0_r_r(void)
{
@@ -123,6 +129,7 @@ static void t1_c(void)
{
int result = 0;
int num_gangs_actual = -1;
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'atomic'" { xfail *-*-* } .+1 } */
#pragma acc parallel \
num_gangs(num_gangs_request) \
reduction(max:num_gangs_actual) \
@@ -153,6 +160,9 @@ static void t1_c(void)
static const int t1_r2_var_init = 166;
#pragma acc routine gang
+/* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'atomic'" { xfail *-*-* } .+4 } */
+/* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .+3 } */
+/* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+2 } */
__attribute__((noinline))
static int t1_r2_r(void)
{
@@ -245,6 +255,9 @@ static void t1_r2(void)
static const int t2_var_init_2 = -55;
#pragma acc routine gang
+/* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'atomic'" { xfail *-*-* } .+4 } */
+/* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .+3 } */
+/* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .+2 } */
__attribute__((noinline))
static int t2_r(void)
{
@@ -286,6 +299,7 @@ static void t2(void)
itself, meaning that all 'i = 0' execution has finished (on the
device) before 'i = 1' is started (on the device), etc. */
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'atomic'" { xfail *-*-* } .+1 } */
#pragma acc parallel \
present(results_1) \
num_gangs(num_gangs_request_1) \
@@ -308,6 +322,7 @@ static void t2(void)
results_2[i][__builtin_goacc_parlevel_id(GOMP_DIM_GANG)] += t2_r();
}
+ /* { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'atomic'" { xfail *-*-* } .+1 } */
#pragma acc parallel \
present(results_3) \
num_gangs(num_gangs_request_3) \
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/optional-private.f90 b/libgomp/testsuite/libgomp.oacc-fortran/optional-private.f90
index 0320bbb3bc9..4d36d869b0c 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/optional-private.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/optional-private.f90
@@ -4,6 +4,9 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program main
implicit none
@@ -30,6 +33,8 @@ contains
end do
!$acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 }
!$acc loop gang private(x)
do i = 1, 32
x = i * 2;
@@ -55,6 +60,7 @@ contains
end do
!$acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
!$acc loop gang private(pt)
do i = 0, 31
pt%x = i
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-1.f b/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-1.f
index aa1bb634ba6..408404cb7e6 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-1.f
+++ b/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-1.f
@@ -4,6 +4,9 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for
+! testing/documenting aspects of that functionality.
+
PROGRAM MAIN
IMPLICIT NONE
INCLUDE "openacc_lib.h"
@@ -15,6 +18,9 @@
!$ACC PARALLEL NUM_GANGS(256) NUM_WORKERS(32) VECTOR_LENGTH(32)
!$ACC& REDUCTION(+:RES1) COPY(RES1, RES2) ASYNC(1)
+! { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail *-*-* } .-1 }
+! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 }
+! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 }
res1 = res1 + 5
!$ACC ATOMIC
@@ -37,6 +43,9 @@
!$ACC PARALLEL NUM_GANGS(8) NUM_WORKERS(32) VECTOR_LENGTH(32)
!$ACC& REDUCTION(*:RES1) COPY(RES1, RES2) ASYNC(1)
+! { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail *-*-* } .-1 }
+! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 }
+! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 }
res1 = res1 * 5
!$ACC ATOMIC
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-2.f b/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-2.f
index 5694de1aee8..91ad99b256f 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-2.f
+++ b/libgomp/testsuite/libgomp.oacc-fortran/par-reduction-2-2.f
@@ -4,6 +4,9 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for
+! testing/documenting aspects of that functionality.
+
PROGRAM MAIN
USE OPENACC
IMPLICIT NONE
@@ -15,6 +18,9 @@
!$ACC PARALLEL NUM_GANGS(256) NUM_WORKERS(32) VECTOR_LENGTH(32)
!$ACC& REDUCTION(+:RES1) COPY(RES1, RES2) ASYNC(1)
+! { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail *-*-* } .-1 }
+! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 }
+! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 }
res1 = res1 + 5
!$ACC ATOMIC
@@ -37,6 +43,9 @@
!$ACC PARALLEL NUM_GANGS(8) NUM_WORKERS(32) VECTOR_LENGTH(32)
!$ACC& REDUCTION(*:RES1) COPY(RES1, RES2) ASYNC(1)
+! { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction', 'atomic'" { xfail *-*-* } .-1 }
+! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 }
+! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 }
res1 = res1 * 5
!$ACC ATOMIC
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/parallel-dims.f90 b/libgomp/testsuite/libgomp.oacc-fortran/parallel-dims.f90
index 1bfcd6ce099..fae99b338a5 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/parallel-dims.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/parallel-dims.f90
@@ -5,6 +5,9 @@
! { dg-do run }
! { dg-prune-output "command-line option '-fintrinsic-modules-path=.*' is valid for Fortran but not for C" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
! See also '../libgomp.oacc-c-c++-common/parallel-dims.c'.
module acc_routines
@@ -84,6 +87,9 @@ program main
vectors_max = -huge(gangs_max) - 1 ! INT_MIN
!$acc serial copy (vectors_actual) &
!$acc copy (gangs_min, gangs_max, workers_min, workers_max, vectors_min, vectors_max) ! { dg-warning "using vector_length \\(32\\), ignoring 1" "" { target openacc_nvidia_accel_selected } }
+ ! { dg-bogus "warning: region contains gang partitioned code but is not gang partitioned" "TODO 'serial'" { xfail *-*-* } .-1 }
+ ! { dg-bogus "warning: region contains worker partitioned code but is not worker partitioned" "TODO 'serial'" { xfail *-*-* } .-2 }
+ ! { dg-bogus "warning: region contains vector partitioned code but is not vector partitioned" "TODO 'serial'" { xfail *-*-* } .-3 }
if (acc_on_device (acc_device_nvidia)) then
! The GCC nvptx back end enforces vector_length (32).
! It's unclear if that's actually permissible here;
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/parallel-reduction.f90 b/libgomp/testsuite/libgomp.oacc-fortran/parallel-reduction.f90
index b926f4fe898..edf748efbb4 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/parallel-reduction.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/parallel-reduction.f90
@@ -1,5 +1,8 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program reduction
implicit none
integer, parameter :: n = 10
@@ -10,6 +13,7 @@ program reduction
s2 = 0
!$acc parallel reduction(+:s1,s2) num_gangs (n) copy(s1)
+ ! { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 }
s1 = s1 + 1
s2 = s2 + 1
!$acc end parallel
@@ -40,6 +44,7 @@ subroutine redsub(s1, s2, n)
integer :: s1, s2, n
!$acc parallel reduction(+:s1,s2) num_gangs (10) copy(s1)
+ ! { dg-bogus "warning: region is gang partitioned but does not contain gang partitioned code" "TODO 'reduction'" { xfail *-*-* } .-1 }
s1 = s1 + 1
s2 = s2 + 1
!$acc end parallel
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/pr84028.f90 b/libgomp/testsuite/libgomp.oacc-fortran/pr84028.f90
index 2b361220bb6..e60322143ca 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/pr84028.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/pr84028.f90
@@ -1,11 +1,15 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program foo
integer :: a(3,3,3), ll, lll
a = 1
!$acc parallel num_gangs(1) num_workers(2)
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
if (any(a(1:3,1:3,1:3).ne.1)) STOP 1
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/private-variables.f90 b/libgomp/testsuite/libgomp.oacc-fortran/private-variables.f90
index 472a6a14fff..81043a22fd8 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/private-variables.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/private-variables.f90
@@ -2,6 +2,9 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
! Test of gang-private variables declared on loop directive.
@@ -13,6 +16,8 @@ subroutine t1()
end do
!$acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 }
!$acc loop gang private(x)
do i = 1, 32
x = i * 2;
@@ -37,6 +42,7 @@ subroutine t2()
end do
!$acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 }
!$acc loop gang private(x)
do i = 0, 31
x = i * 2;
@@ -65,6 +71,7 @@ subroutine t3()
end do
!$acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
!$acc loop gang private(x)
do i = 0, 31
x = i * 2;
@@ -98,6 +105,7 @@ subroutine t4()
end do
!$acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
!$acc loop gang private(pt)
do i = 0, 31
pt%x = i
@@ -208,6 +216,7 @@ subroutine t7()
end do
!$acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32)
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 }
!$acc loop gang private(x)
do i = 0, 31
!$acc loop worker private(x)
@@ -507,6 +516,8 @@ subroutine t14()
end do
!$acc parallel private(x) copy(arr) num_gangs(n) num_workers(8) vector_length(32)
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-2 }
!$acc loop gang(static:1)
do i = 1, n
x = i * 2;
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/reduction-1.f90 b/libgomp/testsuite/libgomp.oacc-fortran/reduction-1.f90
index 40c1a86ab92..95c3ed7ee9c 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/reduction-1.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/reduction-1.f90
@@ -1,5 +1,8 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
! Integer reductions
program reduction_1
@@ -279,6 +282,7 @@ program reduction_1
!$acc end parallel
!$acc parallel vector_length(vl) copy(rv)
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 }
!$acc loop reduction(ior:rv) gang
do i = 1, n
rv = ior (rv, array(i))
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/reduction-5.f90 b/libgomp/testsuite/libgomp.oacc-fortran/reduction-5.f90
index a529e22d9a2..5d1c1d99fce 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/reduction-5.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/reduction-5.f90
@@ -1,5 +1,8 @@
! { dg-do run }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
! subroutine reduction
program reduction
@@ -45,6 +48,7 @@ subroutine redsub_worker(sum, n, c)
sum = 0
!$acc parallel copyin (n, c) num_workers(4) vector_length (32) copy(sum)
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 }
!$acc loop reduction(+:sum) worker
do i = 1, n
sum = sum + c
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/reduction-6.f90 b/libgomp/testsuite/libgomp.oacc-fortran/reduction-6.f90
index 249ed2edcbc..6908d16418c 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/reduction-6.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/reduction-6.f90
@@ -1,6 +1,9 @@
! { dg-do run }
! { dg-additional-options "-cpp" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+
program reduction
implicit none
@@ -28,6 +31,7 @@ program reduction
!$acc end parallel
!$acc parallel num_workers (4) vector_length (32)
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-1 }
!$acc loop reduction(+:ws1, ws2) worker
do i = 1, n
ws1 = ws1 + 1
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/routine-7.f90 b/libgomp/testsuite/libgomp.oacc-fortran/routine-7.f90
index 1009f4a81e5..c34de3a4963 100644
--- a/libgomp/testsuite/libgomp.oacc-fortran/routine-7.f90
+++ b/libgomp/testsuite/libgomp.oacc-fortran/routine-7.f90
@@ -2,6 +2,10 @@
! { dg-do run }
! { dg-additional-options "-cpp" }
+! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
+! aspects of that functionality.
+!TODO { dg-additional-options "-fno-inline" } for stable results regarding OpenACC 'routine'.
+
#define M 8
#define N 32
@@ -97,6 +101,8 @@ end subroutine worker
subroutine gang (a)
!$acc routine gang
+ ! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-2 }
+ ! { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } .-3 }
integer, intent (inout) :: a(N)
integer :: i
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2021-04-26 10:33 [gcc r12-119] Add '-Wopenacc-parallelism' Thomas Schwinge
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