@@ -243,6 +243,8 @@ expand_GOMP_SIMT_ENTER_ALLOC (internal_fn, gcall *stmt)
create_input_operand (&ops[2], align, Pmode);
gcc_assert (targetm.have_omp_simt_enter ());
expand_insn (targetm.code_for_omp_simt_enter, 3, ops);
+ if (!rtx_equal_p (target, ops[0].value))
+ emit_move_insn (target, ops[0].value);
}
/* Deallocate per-lane storage and leave non-uniform execution region. */
@@ -300,6 +302,8 @@ expand_GOMP_SIMT_LAST_LANE (internal_fn, gcall *stmt)
create_input_operand (&ops[1], cond, mode);
gcc_assert (targetm.have_omp_simt_last_lane ());
expand_insn (targetm.code_for_omp_simt_last_lane, 2, ops);
+ if (!rtx_equal_p (target, ops[0].value))
+ emit_move_insn (target, ops[0].value);
}
/* Non-transparent predicate used in SIMT lowering of OpenMP "ordered". */
@@ -319,6 +323,8 @@ expand_GOMP_SIMT_ORDERED_PRED (internal_fn, gcall *stmt)
create_input_operand (&ops[1], ctr, mode);
gcc_assert (targetm.have_omp_simt_ordered ());
expand_insn (targetm.code_for_omp_simt_ordered, 2, ops);
+ if (!rtx_equal_p (target, ops[0].value))
+ emit_move_insn (target, ops[0].value);
}
/* "Or" boolean reduction across SIMT lanes: return non-zero in all lanes if
@@ -339,6 +345,8 @@ expand_GOMP_SIMT_VOTE_ANY (internal_fn, gcall *stmt)
create_input_operand (&ops[1], cond, mode);
gcc_assert (targetm.have_omp_simt_vote_any ());
expand_insn (targetm.code_for_omp_simt_vote_any, 2, ops);
+ if (!rtx_equal_p (target, ops[0].value))
+ emit_move_insn (target, ops[0].value);
}
/* Exchange between SIMT lanes with a "butterfly" pattern: source lane index
@@ -361,6 +369,8 @@ expand_GOMP_SIMT_XCHG_BFLY (internal_fn, gcall *stmt)
create_input_operand (&ops[2], idx, SImode);
gcc_assert (targetm.have_omp_simt_xchg_bfly ());
expand_insn (targetm.code_for_omp_simt_xchg_bfly, 3, ops);
+ if (!rtx_equal_p (target, ops[0].value))
+ emit_move_insn (target, ops[0].value);
}
/* Exchange between SIMT lanes according to given source lane index. */
@@ -382,6 +392,8 @@ expand_GOMP_SIMT_XCHG_IDX (internal_fn, gcall *stmt)
create_input_operand (&ops[2], idx, SImode);
gcc_assert (targetm.have_omp_simt_xchg_idx ());
expand_insn (targetm.code_for_omp_simt_xchg_idx, 3, ops);
+ if (!rtx_equal_p (target, ops[0].value))
+ emit_move_insn (target, ops[0].value);
}
/* This should get expanded in adjust_simduid_builtins. */
new file mode 100644
@@ -0,0 +1,24 @@
+/* { dg-do run } */
+#include <stdlib.h>
+
+#define N 32
+#define TYPE char
+
+int
+main (void)
+{
+ TYPE result = 1;
+ TYPE a[N];
+ for (int x = 0; x < N; ++x)
+ a[x] = 1;
+
+#pragma omp target map(tofrom: result) map(to:a)
+#pragma omp for simd reduction(&&:result)
+ for (int x = 0; x < N; ++x)
+ result = result && a[x];
+
+ if (result != 1)
+ abort ();
+
+ return 0;
+}