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-rw-r--r--gcc/fortran/ChangeLog14
-rw-r--r--gcc/fortran/trans-array.c3
-rw-r--r--gcc/fortran/trans-expr.c13
-rw-r--r--gcc/fortran/trans-openmp.c2
-rw-r--r--gcc/fortran/trans-stmt.c11
-rw-r--r--gcc/fortran/trans.h4
6 files changed, 40 insertions, 7 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index e6ebe43..485a4ae 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,17 @@
+2016-01-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/69128
+ * trans.h (OMPWS_SCALARIZER_BODY): Define.
+ (OMPWS_NOWAIT): Renumber.
+ * trans-stmt.c (gfc_trans_where_3): Only set OMPWS_SCALARIZER_WS
+ if OMPWS_SCALARIZER_BODY is not set already, and set also
+ OMPWS_SCALARIZER_BODY until the final loop creation.
+ * trans-expr.c (gfc_trans_assignment_1): Likewise.
+ * trans-openmp.c (gfc_trans_omp_workshare): Also clear
+ OMPWS_SCALARIZER_BODY.
+ * trans-array.c (gfc_trans_scalarized_loop_end): Don't create
+ OMP_FOR if OMPWS_SCALARIZER_BODY is set.
+
2016-01-04 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index e8cc9d7..1c3768e 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -3601,7 +3601,8 @@ gfc_trans_scalarized_loop_end (gfc_loopinfo * loop, int n,
tree init;
tree incr;
- if ((ompws_flags & (OMPWS_WORKSHARE_FLAG | OMPWS_SCALARIZER_WS))
+ if ((ompws_flags & (OMPWS_WORKSHARE_FLAG | OMPWS_SCALARIZER_WS
+ | OMPWS_SCALARIZER_BODY))
== (OMPWS_WORKSHARE_FLAG | OMPWS_SCALARIZER_WS)
&& n == loop->dimen - 1)
{
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index 9c824b6..1a6b734 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -9160,6 +9160,7 @@ gfc_trans_assignment_1 (gfc_expr * expr1, gfc_expr * expr2, bool init_flag,
bool scalar_to_array;
tree string_length;
int n;
+ bool maybe_workshare = false;
/* Assignment of the form lhs = rhs. */
gfc_start_block (&block);
@@ -9234,8 +9235,13 @@ gfc_trans_assignment_1 (gfc_expr * expr1, gfc_expr * expr2, bool init_flag,
}
/* Allow the scalarizer to workshare array assignments. */
- if ((ompws_flags & OMPWS_WORKSHARE_FLAG) && loop.temp_ss == NULL)
- ompws_flags |= OMPWS_SCALARIZER_WS;
+ if ((ompws_flags & (OMPWS_WORKSHARE_FLAG | OMPWS_SCALARIZER_BODY))
+ == OMPWS_WORKSHARE_FLAG
+ && loop.temp_ss == NULL)
+ {
+ maybe_workshare = true;
+ ompws_flags |= OMPWS_SCALARIZER_WS | OMPWS_SCALARIZER_BODY;
+ }
/* Start the scalarized loop body. */
gfc_start_scalarized_body (&loop, &body);
@@ -9384,6 +9390,9 @@ gfc_trans_assignment_1 (gfc_expr * expr1, gfc_expr * expr2, bool init_flag,
gfc_add_expr_to_block (&loop.code[expr1->rank - 1], tmp);
}
+ if (maybe_workshare)
+ ompws_flags &= ~OMPWS_SCALARIZER_BODY;
+
/* Generate the copying loops. */
gfc_trans_scalarizing_loops (&loop, &body);
diff --git a/gcc/fortran/trans-openmp.c b/gcc/fortran/trans-openmp.c
index 27706d2..5990202 100644
--- a/gcc/fortran/trans-openmp.c
+++ b/gcc/fortran/trans-openmp.c
@@ -4297,7 +4297,7 @@ gfc_trans_omp_workshare (gfc_code *code, gfc_omp_clauses *clauses)
/* By default, every gfc_code is a single unit of work. */
ompws_flags |= OMPWS_CURR_SINGLEUNIT;
- ompws_flags &= ~OMPWS_SCALARIZER_WS;
+ ompws_flags &= ~(OMPWS_SCALARIZER_WS | OMPWS_SCALARIZER_BODY);
switch (code->op)
{
diff --git a/gcc/fortran/trans-stmt.c b/gcc/fortran/trans-stmt.c
index ac0c148..70a61cc 100644
--- a/gcc/fortran/trans-stmt.c
+++ b/gcc/fortran/trans-stmt.c
@@ -5057,10 +5057,15 @@ gfc_trans_where_3 (gfc_code * cblock, gfc_code * eblock)
gfc_loopinfo loop;
gfc_ss *edss = 0;
gfc_ss *esss = 0;
+ bool maybe_workshare = false;
/* Allow the scalarizer to workshare simple where loops. */
- if (ompws_flags & OMPWS_WORKSHARE_FLAG)
- ompws_flags |= OMPWS_SCALARIZER_WS;
+ if ((ompws_flags & (OMPWS_WORKSHARE_FLAG | OMPWS_SCALARIZER_BODY))
+ == OMPWS_WORKSHARE_FLAG)
+ {
+ maybe_workshare = true;
+ ompws_flags |= OMPWS_SCALARIZER_WS | OMPWS_SCALARIZER_BODY;
+ }
cond = cblock->expr1;
tdst = cblock->next->expr1;
@@ -5160,6 +5165,8 @@ gfc_trans_where_3 (gfc_code * cblock, gfc_code * eblock)
gfc_add_expr_to_block (&body, tmp);
gfc_add_block_to_block (&body, &cse.post);
+ if (maybe_workshare)
+ ompws_flags &= ~OMPWS_SCALARIZER_BODY;
gfc_trans_scalarizing_loops (&loop, &body);
gfc_add_block_to_block (&block, &loop.pre);
gfc_add_block_to_block (&block, &loop.post);
diff --git a/gcc/fortran/trans.h b/gcc/fortran/trans.h
index efca096..3026e3b 100644
--- a/gcc/fortran/trans.h
+++ b/gcc/fortran/trans.h
@@ -1039,7 +1039,9 @@ extern const char gfc_msg_wrong_return[];
construct is not workshared. */
#define OMPWS_SCALARIZER_WS 4 /* Set if scalarizer should attempt
to create parallel loops. */
-#define OMPWS_NOWAIT 8 /* Use NOWAIT on OMP_FOR. */
+#define OMPWS_SCALARIZER_BODY 8 /* Set if handling body of potential
+ parallel loop. */
+#define OMPWS_NOWAIT 16 /* Use NOWAIT on OMP_FOR. */
extern int ompws_flags;
#endif /* GFC_TRANS_H */