2017-05-12 Thomas Schwinge <thomas@codesourcery.com>
+ PR middle-end/69921
+ * tree-parloops.c (create_parallel_loop): Set "oacc kernels
+ parallelized" attribute for parallelized OpenACC kernels.
+ * omp-offload.c (execute_oacc_device_lower): Use it.
+
* omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
Set "oacc kernels" attribute.
* omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
flag_openacc_dims = (char *)&flag_openacc_dims;
}
+ bool is_oacc_kernels
+ = (lookup_attribute ("oacc kernels",
+ DECL_ATTRIBUTES (current_function_decl)) != NULL);
+ bool is_oacc_kernels_parallelized
+ = (lookup_attribute ("oacc kernels parallelized",
+ DECL_ATTRIBUTES (current_function_decl)) != NULL);
+
/* Discover, partition and process the loops. */
oacc_loop *loops = oacc_loop_discovery ();
int fn_level = oacc_fn_attrib_level (attrs);
if (fn_level >= 0)
fprintf (dump_file, "Function is OpenACC routine level %d\n",
fn_level);
- else if (lookup_attribute ("oacc kernels",
- DECL_ATTRIBUTES (current_function_decl)))
- fprintf (dump_file, "Function is OpenACC kernels offload\n");
+ else if (is_oacc_kernels)
+ fprintf (dump_file, "Function is %s OpenACC kernels offload\n",
+ (is_oacc_kernels_parallelized
+ ? "parallelized" : "unparallelized"));
else
fprintf (dump_file, "Function is OpenACC parallel offload\n");
}
unsigned outer_mask = fn_level >= 0 ? GOMP_DIM_MASK (fn_level) - 1 : 0;
unsigned used_mask = oacc_loop_partition (loops, outer_mask);
- int dims[GOMP_DIM_MAX];
+ /* OpenACC kernels constructs are special: they currently don't use the
+ generic oacc_loop infrastructure and attribute/dimension processing. */
+ if (is_oacc_kernels && is_oacc_kernels_parallelized)
+ {
+ /* Parallelized OpenACC kernels constructs use gang parallelism. See
+ also tree-parloops.c:create_parallel_loop. */
+ used_mask |= GOMP_DIM_MASK (GOMP_DIM_GANG);
+ }
+ int dims[GOMP_DIM_MAX];
oacc_validate_dims (current_function_decl, attrs, dims, fn_level, used_mask);
if (dump_file)
2017-05-12 Thomas Schwinge <thomas@codesourcery.com>
+ * c-c++-common/goacc/classify-kernels-unparallelized.c: Adjust.
+ * c-c++-common/goacc/classify-kernels.c: Likewise.
+ * c-c++-common/goacc/kernels-counter-vars-function-scope.c:
+ Likewise.
+ * c-c++-common/goacc/kernels-double-reduction-n.c: Likewise.
+ * c-c++-common/goacc/kernels-double-reduction.c: Likewise.
+ * c-c++-common/goacc/kernels-loop-2.c: Likewise.
+ * c-c++-common/goacc/kernels-loop-3.c: Likewise.
+ * c-c++-common/goacc/kernels-loop-g.c: Likewise.
+ * c-c++-common/goacc/kernels-loop-mod-not-zero.c: Likewise.
+ * c-c++-common/goacc/kernels-loop-n.c: Likewise.
+ * c-c++-common/goacc/kernels-loop-nest.c: Likewise.
+ * c-c++-common/goacc/kernels-loop.c: Likewise.
+ * c-c++-common/goacc/kernels-one-counter-var.c: Likewise.
+ * c-c++-common/goacc/kernels-reduction.c: Likewise.
+ * gfortran.dg/goacc/classify-kernels-unparallelized.f95: Likewise.
+ * gfortran.dg/goacc/classify-kernels.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop-2.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop-data-2.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop-data-enter-exit-2.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop-data-enter-exit.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop-data-update.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop-data.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop-n.f95: Likewise.
+ * gfortran.dg/goacc/kernels-loop.f95: Likewise.
+
* c-c++-common/goacc/classify-kernels-unparallelized.c: Adjust.
* c-c++-common/goacc/classify-kernels.c: Likewise.
* c-c++-common/goacc/classify-parallel.c: Likewise.
/* Check the offloaded function's classification and compute dimensions (will
always be 1 x 1 x 1 for non-offloading compilation).
- { dg-final { scan-tree-dump-times "(?n)Function is OpenACC kernels offload" 1 "oaccdevlow" } }
+ { dg-final { scan-tree-dump-times "(?n)Function is unparallelized OpenACC kernels offload" 1 "oaccdevlow" } }
{ dg-final { scan-tree-dump-times "(?n)Compute dimensions \\\[1, 1, 1\\\]" 1 "oaccdevlow" } }
{ dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */
/* Check that exactly one OpenACC kernels construct is analyzed, and that it
can be parallelized.
{ dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } }
- { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(0, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } }
+ { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } }
{ dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check the offloaded function's classification and compute dimensions (will
always be 1 x 1 x 1 for non-offloading compilation).
- { dg-final { scan-tree-dump-times "(?n)Function is OpenACC kernels offload" 1 "oaccdevlow" } }
+ { dg-final { scan-tree-dump-times "(?n)Function is parallelized OpenACC kernels offload" 1 "oaccdevlow" } }
{ dg-final { scan-tree-dump-times "(?n)Compute dimensions \\\[1, 1, 1\\\]" 1 "oaccdevlow" } }
- { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */
+ { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*foo.*._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*foo.*._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only three loops are analyzed, and that all can be
parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.1" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.2" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 3 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*foo.*._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
/* Check that only one loop is analyzed, and that it can be parallelized. */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
+/* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
/* Check that the loop has been split off into a function. */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*foo.*._omp_fn.0" 1 "optimized" } } */
-
-/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
! Check the offloaded function's classification and compute dimensions (will
! always be 1 x 1 x 1 for non-offloading compilation).
-! { dg-final { scan-tree-dump-times "(?n)Function is OpenACC kernels offload" 1 "oaccdevlow" } }
+! { dg-final { scan-tree-dump-times "(?n)Function is unparallelized OpenACC kernels offload" 1 "oaccdevlow" } }
! { dg-final { scan-tree-dump-times "(?n)Compute dimensions \\\[1, 1, 1\\\]" 1 "oaccdevlow" } }
! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } }
! Check that exactly one OpenACC kernels construct is analyzed, and that it
! can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } }
-! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(0, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check the offloaded function's classification and compute dimensions (will
! always be 1 x 1 x 1 for non-offloading compilation).
-! { dg-final { scan-tree-dump-times "(?n)Function is OpenACC kernels offload" 1 "oaccdevlow" } }
+! { dg-final { scan-tree-dump-times "(?n)Function is parallelized OpenACC kernels offload" 1 "oaccdevlow" } }
! { dg-final { scan-tree-dump-times "(?n)Compute dimensions \\\[1, 1, 1\\\]" 1 "oaccdevlow" } }
-! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } }
! Check that only three loops are analyzed, and that all can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.2 " 1 "optimized" } }
-
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 3 "parloops1" } }
! Check that only three loops are analyzed, and that all can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.2 " 1 "optimized" } }
-
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 3 "parloops1" } }
! Check that only three loops are analyzed, and that all can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.2 " 1 "optimized" } }
-
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 3 "parloops1" } }
! Check that only three loops are analyzed, and that all can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.2 " 1 "optimized" } }
-
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 3 "parloops1" } }
! Check that only three loops are analyzed, and that all can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 2 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
-
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 2 "parloops1" } }
! Check that only three loops are analyzed, and that all can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.2 " 1 "optimized" } }
-
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 3 "parloops1" } }
! Check that only one loop is analyzed, and that it can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } }
+! TODO, PR70545.
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" { xfail *-*-* } } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function __test_MOD_foo._omp_fn.0 " 1 "optimized" } }
-
-! TODO, PR70545.
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" { xfail *-*-* } } }
! Check that only one loop is analyzed, and that it can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } }
+! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
-
-! { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } }
tree cvar, cvar_init, initvar, cvar_next, cvar_base, type;
edge exit, nexit, guard, end, e;
- /* Prepare the GIMPLE_OMP_PARALLEL statement. */
if (oacc_kernels_p)
{
gcc_checking_assert (lookup_attribute ("oacc kernels",
DECL_ATTRIBUTES (cfun->decl)));
-
- tree clause = build_omp_clause (loc, OMP_CLAUSE_NUM_GANGS);
- OMP_CLAUSE_NUM_GANGS_EXPR (clause)
- = build_int_cst (integer_type_node, n_threads);
- oacc_set_fn_attrib (cfun->decl, clause, NULL);
+ /* Indicate to later processing that this is a parallelized OpenACC
+ kernels construct. */
+ DECL_ATTRIBUTES (cfun->decl)
+ = tree_cons (get_identifier ("oacc kernels parallelized"),
+ NULL_TREE, DECL_ATTRIBUTES (cfun->decl));
}
else
{
+ /* Prepare the GIMPLE_OMP_PARALLEL statement. */
+
basic_block bb = loop_preheader_edge (loop)->src;
basic_block paral_bb = single_pred (bb);
gsi = gsi_last_bb (paral_bb);
/* Emit GIMPLE_OMP_FOR. */
if (oacc_kernels_p)
- /* In combination with the NUM_GANGS on the parallel. */
+ /* Parallelized OpenACC kernels constructs use gang parallelism. See also
+ omp-offload.c:execute_oacc_device_lower. */
t = build_omp_clause (loc, OMP_CLAUSE_GANG);
else
{
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