From: Thomas Schwinge Date: Fri, 12 May 2017 09:02:55 +0000 (+0200) Subject: Use "oacc kernels" attribute for OpenACC kernels X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=25651634436238d505c586fd308cdd5b6c5db8f9;p=gcc.git Use "oacc kernels" attribute for OpenACC kernels gcc/ * omp-expand.c (expand_omp_target) : Set "oacc kernels" attribute. * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal parameter. Adjust all users. (oacc_fn_attrib_kernels_p): Remove function. * omp-offload.c (execute_oacc_device_lower): Look for "oacc kernels" attribute instead of calling oacc_fn_attrib_kernels_p. * tree-ssa-loop.c (gate_oacc_kernels): Likewise. * tree-parloops.c (create_parallel_loop): If oacc_kernels_p, assert "oacc kernels" attribute is set. gcc/testsuite/ * 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. * c-c++-common/goacc/classify-routine.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. From-SVN: r247955 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e1f8cf5e05a..aeb22dfd49a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,16 @@ +2017-05-12 Thomas Schwinge + + * omp-expand.c (expand_omp_target) : + Set "oacc kernels" attribute. + * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal + parameter. Adjust all users. + (oacc_fn_attrib_kernels_p): Remove function. + * omp-offload.c (execute_oacc_device_lower): Look for "oacc + kernels" attribute instead of calling oacc_fn_attrib_kernels_p. + * tree-ssa-loop.c (gate_oacc_kernels): Likewise. + * tree-parloops.c (create_parallel_loop): If oacc_kernels_p, + assert "oacc kernels" attribute is set. + 2017-05-11 Carl Love * config/rs6000/rs6000-c: Add support for built-in functions diff --git a/gcc/omp-expand.c b/gcc/omp-expand.c index 5c48b7867c2..7a7c7475d31 100644 --- a/gcc/omp-expand.c +++ b/gcc/omp-expand.c @@ -7083,7 +7083,16 @@ expand_omp_target (struct omp_region *region) exit_bb = region->exit; if (gimple_omp_target_kind (entry_stmt) == GF_OMP_TARGET_KIND_OACC_KERNELS) - mark_loops_in_oacc_kernels_region (region->entry, region->exit); + { + mark_loops_in_oacc_kernels_region (region->entry, region->exit); + + /* Further down, both OpenACC kernels and OpenACC parallel constructs + will be mappted to BUILT_IN_GOACC_PARALLEL, and to distinguish the + two, there is an "oacc kernels" attribute set for OpenACC kernels. */ + DECL_ATTRIBUTES (child_fn) + = tree_cons (get_identifier ("oacc kernels"), + NULL_TREE, DECL_ATTRIBUTES (child_fn)); + } if (offloaded) { @@ -7266,7 +7275,6 @@ expand_omp_target (struct omp_region *region) enum built_in_function start_ix; location_t clause_loc; unsigned int flags_i = 0; - bool oacc_kernels_p = false; switch (gimple_omp_target_kind (entry_stmt)) { @@ -7287,8 +7295,6 @@ expand_omp_target (struct omp_region *region) flags_i |= GOMP_TARGET_FLAG_EXIT_DATA; break; case GF_OMP_TARGET_KIND_OACC_KERNELS: - oacc_kernels_p = true; - /* FALLTHROUGH */ case GF_OMP_TARGET_KIND_OACC_PARALLEL: start_ix = BUILT_IN_GOACC_PARALLEL; break; @@ -7450,10 +7456,8 @@ expand_omp_target (struct omp_region *region) args.quick_push (get_target_arguments (&gsi, entry_stmt)); break; case BUILT_IN_GOACC_PARALLEL: - { - oacc_set_fn_attrib (child_fn, clauses, oacc_kernels_p, &args); - tagging = true; - } + oacc_set_fn_attrib (child_fn, clauses, &args); + tagging = true; /* FALLTHRU */ case BUILT_IN_GOACC_ENTER_EXIT_DATA: case BUILT_IN_GOACC_UPDATE: diff --git a/gcc/omp-general.c b/gcc/omp-general.c index 3f9aec8d6a7..9a5ed88e2d6 100644 --- a/gcc/omp-general.c +++ b/gcc/omp-general.c @@ -515,11 +515,10 @@ oacc_replace_fn_attrib (tree fn, tree dims) /* Scan CLAUSES for launch dimensions and attach them to the oacc function attribute. Push any that are non-constant onto the ARGS - list, along with an appropriate GOMP_LAUNCH_DIM tag. IS_KERNEL is - true, if these are for a kernels region offload function. */ + list, along with an appropriate GOMP_LAUNCH_DIM tag. */ void -oacc_set_fn_attrib (tree fn, tree clauses, bool is_kernel, vec *args) +oacc_set_fn_attrib (tree fn, tree clauses, vec *args) { /* Must match GOMP_DIM ordering. */ static const omp_clause_code ids[] @@ -545,9 +544,6 @@ oacc_set_fn_attrib (tree fn, tree clauses, bool is_kernel, vec *args) non_const |= GOMP_DIM_MASK (ix); } attr = tree_cons (NULL_TREE, dim, attr); - /* Note kernelness with TREE_PUBLIC. */ - if (is_kernel) - TREE_PUBLIC (attr) = 1; } oacc_replace_fn_attrib (fn, attr); @@ -616,16 +612,6 @@ oacc_get_fn_attrib (tree fn) return lookup_attribute (OACC_FN_ATTRIB, DECL_ATTRIBUTES (fn)); } -/* Return true if this oacc fn attrib is for a kernels offload - region. We use the TREE_PUBLIC flag of each dimension -- only - need to check the first one. */ - -bool -oacc_fn_attrib_kernels_p (tree attr) -{ - return TREE_PUBLIC (TREE_VALUE (attr)); -} - /* Extract an oacc execution dimension from FN. FN must be an offloaded function or routine that has already had its execution dimensions lowered to the target-specific values. */ diff --git a/gcc/omp-general.h b/gcc/omp-general.h index 3cf7fcec41f..d28eb4bc4f6 100644 --- a/gcc/omp-general.h +++ b/gcc/omp-general.h @@ -82,11 +82,9 @@ extern int omp_max_vf (void); extern int omp_max_simt_vf (void); extern tree oacc_launch_pack (unsigned code, tree device, unsigned op); extern void oacc_replace_fn_attrib (tree fn, tree dims); -extern void oacc_set_fn_attrib (tree fn, tree clauses, bool is_kernel, - vec *args); +extern void oacc_set_fn_attrib (tree fn, tree clauses, vec *args); extern tree oacc_build_routine_dims (tree clauses); extern tree oacc_get_fn_attrib (tree fn); -extern bool oacc_fn_attrib_kernels_p (tree attr); extern int oacc_get_fn_dim_size (tree fn, int axis); extern int oacc_get_ifn_dim_arg (const gimple *stmt); diff --git a/gcc/omp-offload.c b/gcc/omp-offload.c index beeeb71a2eb..d24f1317a3f 100644 --- a/gcc/omp-offload.c +++ b/gcc/omp-offload.c @@ -619,7 +619,6 @@ oacc_validate_dims (tree fn, tree attrs, int *dims, int level, unsigned used) tree purpose[GOMP_DIM_MAX]; unsigned ix; tree pos = TREE_VALUE (attrs); - bool is_kernel = oacc_fn_attrib_kernels_p (attrs); /* Make sure the attribute creator attached the dimension information. */ @@ -666,13 +665,8 @@ oacc_validate_dims (tree fn, tree attrs, int *dims, int level, unsigned used) /* Replace the attribute with new values. */ pos = NULL_TREE; for (ix = GOMP_DIM_MAX; ix--;) - { - pos = tree_cons (purpose[ix], - build_int_cst (integer_type_node, dims[ix]), - pos); - if (is_kernel) - TREE_PUBLIC (pos) = 1; - } + pos = tree_cons (purpose[ix], + build_int_cst (integer_type_node, dims[ix]), pos); oacc_replace_fn_attrib (fn, pos); } } @@ -1455,10 +1449,16 @@ execute_oacc_device_lower () int fn_level = oacc_fn_attrib_level (attrs); if (dump_file) - fprintf (dump_file, oacc_fn_attrib_kernels_p (attrs) - ? "Function is kernels offload\n" - : fn_level < 0 ? "Function is parallel offload\n" - : "Function is routine level %d\n", fn_level); + { + 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 + 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); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 5ed40a5e2e4..52865d31f93 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,14 @@ 2017-05-12 Thomas Schwinge + * 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. + * c-c++-common/goacc/classify-routine.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. + * c-c++-common/goacc/classify-kernels-unparallelized.c: New file. * c-c++-common/goacc/classify-kernels.c: Likewise. * c-c++-common/goacc/classify-parallel.c: Likewise. 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 a76351c2b8f..70ff428b998 100644 --- a/gcc/testsuite/c-c++-common/goacc/classify-kernels-unparallelized.c +++ b/gcc/testsuite/c-c++-common/goacc/classify-kernels-unparallelized.c @@ -24,16 +24,16 @@ void KERNELS () } /* Check the offloaded function's attributes. - { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(omp target entrypoint\\)\\)" 1 "ompexp" } } */ + { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels, omp target entrypoint\\)\\)" 1 "ompexp" } } */ /* Check that exactly one OpenACC kernels construct is analyzed, and that it can't be parallelized. { dg-final { scan-tree-dump-times "FAILED:" 1 "parloops1" } } - { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(, , \\), omp target entrypoint\\)\\)" 1 "parloops1" } } + { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } { dg-final { scan-tree-dump-not "SUCCESS: may be parallelized" "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 kernels offload" 1 "oaccdevlow" } } + { dg-final { scan-tree-dump-times "(?n)Function is 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\\), omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */ + { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */ diff --git a/gcc/testsuite/c-c++-common/goacc/classify-kernels.c b/gcc/testsuite/c-c++-common/goacc/classify-kernels.c index 199a73e2a3d..c8b0fda61b7 100644 --- a/gcc/testsuite/c-c++-common/goacc/classify-kernels.c +++ b/gcc/testsuite/c-c++-common/goacc/classify-kernels.c @@ -20,16 +20,16 @@ void KERNELS () } /* Check the offloaded function's attributes. - { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(omp target entrypoint\\)\\)" 1 "ompexp" } } */ + { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels, omp target entrypoint\\)\\)" 1 "ompexp" } } */ /* 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, , \\), omp target entrypoint\\)\\)" 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-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 kernels offload" 1 "oaccdevlow" } } + { dg-final { scan-tree-dump-times "(?n)Function is 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\\), omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */ + { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */ diff --git a/gcc/testsuite/c-c++-common/goacc/classify-parallel.c b/gcc/testsuite/c-c++-common/goacc/classify-parallel.c index 9d48c1bf9d6..4f97301f5cf 100644 --- a/gcc/testsuite/c-c++-common/goacc/classify-parallel.c +++ b/gcc/testsuite/c-c++-common/goacc/classify-parallel.c @@ -23,6 +23,6 @@ void PARALLEL () /* 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 parallel offload" 1 "oaccdevlow" } } + { dg-final { scan-tree-dump-times "(?n)Function is OpenACC parallel 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\\), omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */ diff --git a/gcc/testsuite/c-c++-common/goacc/classify-routine.c b/gcc/testsuite/c-c++-common/goacc/classify-routine.c index 72b02c21028..fd89fc1ec66 100644 --- a/gcc/testsuite/c-c++-common/goacc/classify-routine.c +++ b/gcc/testsuite/c-c++-common/goacc/classify-routine.c @@ -25,6 +25,6 @@ void ROUTINE () /* 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 routine level 1" 1 "oaccdevlow" } } + { dg-final { scan-tree-dump-times "(?n)Function is OpenACC routine level 1" 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 \\(0 1, 1 1, 1 1\\), omp declare target, oacc function \\(0 1, 1 0, 1 0\\)\\)\\)" 1 "oaccdevlow" } } */ diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95 index fd46d0d506c..9887d35b638 100644 --- a/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95 +++ b/gcc/testsuite/gfortran.dg/goacc/classify-kernels-unparallelized.f95 @@ -26,16 +26,16 @@ program main end program main ! Check the offloaded function's attributes. -! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(omp target entrypoint\\)\\)" 1 "ompexp" } } +! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels, omp target entrypoint\\)\\)" 1 "ompexp" } } ! Check that exactly one OpenACC kernels construct is analyzed, and that it ! can't be parallelized. ! { dg-final { scan-tree-dump-times "FAILED:" 1 "parloops1" } } -! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(, , \\), omp target entrypoint\\)\\)" 1 "parloops1" } } +! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" } } ! { dg-final { scan-tree-dump-not "SUCCESS: may be parallelized" "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 kernels offload" 1 "oaccdevlow" } } +! { dg-final { scan-tree-dump-times "(?n)Function is 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\\), omp target entrypoint\\)\\)" 1 "oaccdevlow" } } +! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95 index 053d27c2a72..69c89a96c59 100644 --- a/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95 +++ b/gcc/testsuite/gfortran.dg/goacc/classify-kernels.f95 @@ -22,16 +22,16 @@ program main end program main ! Check the offloaded function's attributes. -! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(omp target entrypoint\\)\\)" 1 "ompexp" } } +! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels, omp target entrypoint\\)\\)" 1 "ompexp" } } ! 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, , \\), omp target entrypoint\\)\\)" 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-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 kernels offload" 1 "oaccdevlow" } } +! { dg-final { scan-tree-dump-times "(?n)Function is 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\\), omp target entrypoint\\)\\)" 1 "oaccdevlow" } } +! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95 index 087ff48f94f..e215c79be61 100644 --- a/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95 +++ b/gcc/testsuite/gfortran.dg/goacc/classify-parallel.f95 @@ -25,6 +25,6 @@ end program main ! 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 parallel offload" 1 "oaccdevlow" } } +! { dg-final { scan-tree-dump-times "(?n)Function is OpenACC parallel 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\\), omp target entrypoint\\)\\)" 1 "oaccdevlow" } } diff --git a/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95 b/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95 index 319d7678079..4ca406742f9 100644 --- a/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95 +++ b/gcc/testsuite/gfortran.dg/goacc/classify-routine.f95 @@ -24,6 +24,6 @@ end subroutine ROUTINE ! 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 routine level 1" 1 "oaccdevlow" } } +! { dg-final { scan-tree-dump-times "(?n)Function is OpenACC routine level 1" 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 \\(0 1, 1 1, 1 1\\), omp declare target, oacc function \\(0 0, 1 0, 1 0\\)\\)\\)" 1 "oaccdevlow" } } diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c index 739301140f0..6ce9d845168 100644 --- a/gcc/tree-parloops.c +++ b/gcc/tree-parloops.c @@ -2043,10 +2043,13 @@ create_parallel_loop (struct loop *loop, tree loop_fn, tree data, /* 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, true, NULL); + oacc_set_fn_attrib (cfun->decl, clause, NULL); } else { diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c index 8b25b41dbec..10c43f32ba3 100644 --- a/gcc/tree-ssa-loop.c +++ b/gcc/tree-ssa-loop.c @@ -152,10 +152,7 @@ gate_oacc_kernels (function *fn) if (!flag_openacc) return false; - tree oacc_function_attr = oacc_get_fn_attrib (fn->decl); - if (oacc_function_attr == NULL_TREE) - return false; - if (!oacc_fn_attrib_kernels_p (oacc_function_attr)) + if (!lookup_attribute ("oacc kernels", DECL_ATTRIBUTES (fn->decl))) return false; struct loop *loop;