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authorKwok Cheung Yeung <kcy@codesourcery.com>2020-03-13 11:13:49 -0700
committerThomas Schwinge <thomas@codesourcery.com>2021-11-30 12:58:53 +0100
commitf1a58ab0db20c0862e8b5039bd448fc8c9799cac (patch)
tree3f246461e72da66268f850e8a4a09aaa831ef6aa /gcc
parent2b7dac2c0dcb087da9e4018943c023c0678234a3 (diff)
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[OpenACC] Allow gang reductions inside serial constructs
... fixing a regression introduced in the preceding commit 2b7dac2c0dcb087da9e4018943c023c0678234a3 "Make OpenACC orphan gang reductions errors". gcc/fortran/ * openmp.c (oacc_is_serial, oacc_is_parallel_or_serial): New. (resolve_oacc_loop_blocks): Use oacc_is_parallel_or_serial instead of oacc_is_parallel. libgomp/ * testsuite/libgomp.oacc-fortran/parallel-dims.f90: Remove temporary skip. Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com>
Diffstat (limited to 'gcc')
-rw-r--r--gcc/fortran/openmp.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/fortran/openmp.c b/gcc/fortran/openmp.c
index 4fa3869..b410057 100644
--- a/gcc/fortran/openmp.c
+++ b/gcc/fortran/openmp.c
@@ -8334,6 +8334,18 @@ oacc_is_kernels (gfc_code *code)
return code->op == EXEC_OACC_KERNELS || code->op == EXEC_OACC_KERNELS_LOOP;
}
+static bool
+oacc_is_serial (gfc_code *code)
+{
+ return code->op == EXEC_OACC_SERIAL || code->op == EXEC_OACC_SERIAL_LOOP;
+}
+
+static bool
+oacc_is_parallel_or_serial (gfc_code *code)
+{
+ return oacc_is_parallel (code) || oacc_is_serial (code);
+}
+
static gfc_statement
omp_code_to_statement (gfc_code *code)
{
@@ -8644,7 +8656,7 @@ resolve_oacc_loop_blocks (gfc_code *code)
for (c = omp_current_ctx; c; c = c->previous)
if (!oacc_is_loop (c->code))
break;
- if (c == NULL || !(oacc_is_parallel (c->code)
+ if (c == NULL || !(oacc_is_parallel_or_serial (c->code)
|| oacc_is_kernels (c->code)))
gfc_error ("gang reduction on an orphan loop at %L", &code->loc);
}