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2015-10-27 Alan Hayward <alan.hayward@arm.com> 

* tree-vect-looop.c
	(vectorizable_live_operation): Change iterator.

From-SVN: r229447
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Alan Hayward 2015-10-27 16:43:13 +00:00 committed by Alan Hayward
parent 54b96a2d6a
commit d34b48146a
2 changed files with 10 additions and 19 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-10-27 Alan Hayward <alan.hayward@arm.com>
* tree-vect-looop.c
(vectorizable_live_operation): Change iterator.
2015-10-27 Abderrazek Zaafrani <a.zaafrani@samsung.com>
Aditya Kumar <aditya.k7@samsung.com>

24
gcc/tree-vect-loop.c
View File

@ -5901,13 +5901,9 @@ vectorizable_live_operation (gimple *stmt,
stmt_vec_info stmt_info = vinfo_for_stmt (stmt);
loop_vec_info loop_vinfo = STMT_VINFO_LOOP_VINFO (stmt_info);
struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo);
int i;
int op_type;
tree op;
gimple *def_stmt;
enum vect_def_type dt;
enum tree_code code;
enum gimple_rhs_class rhs_class;
ssa_op_iter iter;
gcc_assert (STMT_VINFO_LIVE_P (stmt_info));
@ -5958,24 +5954,14 @@ vectorizable_live_operation (gimple *stmt,
if (nested_in_vect_loop_p (loop, stmt))
return false;
code = gimple_assign_rhs_code (stmt);
op_type = TREE_CODE_LENGTH (code);
rhs_class = get_gimple_rhs_class (code);
gcc_assert (rhs_class != GIMPLE_UNARY_RHS || op_type == unary_op);
gcc_assert (rhs_class != GIMPLE_BINARY_RHS || op_type == binary_op);
/* FORNOW: support only if all uses are invariant. This means
that the scalar operations can remain in place, unvectorized.
The original last scalar value that they compute will be used. */
for (i = 0; i < op_type; i++)
FOR_EACH_SSA_TREE_OPERAND (op, stmt, iter, SSA_OP_USE)
{
if (rhs_class == GIMPLE_SINGLE_RHS)
op = TREE_OPERAND (gimple_op (stmt, 1), i);
else
op = gimple_op (stmt, i + 1);
if (op
&& !vect_is_simple_use (op, loop_vinfo, &def_stmt, &dt))
enum vect_def_type dt = vect_uninitialized_def;
if (!vect_is_simple_use (op, loop_vinfo, &def_stmt, &dt))
{
if (dump_enabled_p ())
dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,