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tree-ssa-operands.c (swap_tree_operands): Export. 

* tree-ssa-operands.c (swap_tree_operands): Export.
        * tree.h (swap_tree_operands): Declare.
        * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
        Call swap_tree_operands.

From-SVN: r104421
This commit is contained in:
Dorit Nuzman 2005-09-19 14:54:28 +00:00 committed by Dorit Nuzman
parent 99c09897c2
commit 3c7d0735f5
4 changed files with 12 additions and 16 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
* tree-ssa-operands.c (swap_tree_operands): Export.
* tree.h (swap_tree_operands): Declare.
* tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
Call swap_tree_operands.
2005-09-19 Richard Henderson <rth@redhat.com>
* tree-flow.h (merge_alias_info): Declare.

2
gcc/tree-ssa-operands.c
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@ -1165,7 +1165,7 @@ create_ssa_artficial_load_stmt (tree new_stmt, tree old_stmt)
delink_imm_use (use_p);
}
static void
void
swap_tree_operands (tree stmt, tree *exp0, tree *exp1)
{
tree op0, op1;

18
gcc/tree-vectorizer.c
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@ -1787,8 +1787,7 @@ reduction_code_for_scalar_code (enum tree_code code,
Conditions 2,3 are tested in vect_mark_stmts_to_be_vectorized. */
tree
vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED,
tree phi ATTRIBUTE_UNUSED)
vect_is_simple_reduction (struct loop *loop, tree phi)
{
edge latch_e = loop_latch_edge (loop);
tree loop_arg = PHI_ARG_DEF_FROM_EDGE (phi, latch_e);
@ -1930,9 +1929,6 @@ vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED,
&& flow_bb_inside_loop_p (loop, bb_for_stmt (def2))
&& def1 == phi)
{
use_operand_p use;
ssa_op_iter iter;
/* Swap operands (just for simplicity - so that the rest of the code
can assume that the reduction variable is always the last (second)
argument). */
@ -1941,16 +1937,8 @@ vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED,
fprintf (vect_dump, "detected reduction: need to swap operands:");
print_generic_expr (vect_dump, operation, TDF_SLIM);
}
/* CHECKME */
FOR_EACH_SSA_USE_OPERAND (use, def_stmt, iter, SSA_OP_USE)
{
tree tuse = USE_FROM_PTR (use);
if (tuse == op1)
SET_USE (use, op2);
else if (tuse == op2)
SET_USE (use, op1);
}
swap_tree_operands (def_stmt, &TREE_OPERAND (operation, 0),
&TREE_OPERAND (operation, 1));
return def_stmt;
}
else

1
gcc/tree.h
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@ -3857,6 +3857,7 @@ extern tree constant_boolean_node (int, tree);
extern tree build_low_bits_mask (tree, unsigned);
extern bool tree_swap_operands_p (tree, tree, bool);
extern void swap_tree_operands (tree, tree *, tree *);
extern enum tree_code swap_tree_comparison (enum tree_code);
extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);