/* Array prefetching.
- Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
This file is part of GCC.
#include "tree-chrec.h"
#include "tree-scalar-evolution.h"
#include "diagnostic-core.h"
-#include "toplev.h"
#include "params.h"
#include "langhooks.h"
#include "tree-inline.h"
prefetch_before = (hit_from - delta_r + step - 1) / step;
/* Do not reduce prefetch_before if we meet beyond cache size. */
- if (prefetch_before > (unsigned) abs (L2_CACHE_SIZE_BYTES / step))
+ if (prefetch_before > absu_hwi (L2_CACHE_SIZE_BYTES / step))
prefetch_before = PREFETCH_ALL;
if (prefetch_before < ref->prefetch_before)
ref->prefetch_before = prefetch_before;
/* Determine the address to prefetch. */
delta = (ahead + ap * ref->prefetch_mod) *
int_cst_value (ref->group->step);
- addr = fold_build2 (POINTER_PLUS_EXPR, ptr_type_node,
- addr_base, size_int (delta));
+ addr = fold_build_pointer_plus_hwi (addr_base, delta);
addr = force_gimple_operand_gsi (&bsi, unshare_expr (addr), true, NULL,
true, GSI_SAME_STMT);
}
forward = fold_build2 (MULT_EXPR, sizetype,
fold_convert (sizetype, ref->group->step),
fold_convert (sizetype, size_int (ahead)));
- addr = fold_build2 (POINTER_PLUS_EXPR, ptr_type_node, addr_base,
- forward);
+ addr = fold_build_pointer_plus (addr_base, forward);
addr = force_gimple_operand_gsi (&bsi, unshare_expr (addr), true,
NULL, true, GSI_SAME_STMT);
}
/* Create the prefetch instruction. */
- prefetch = gimple_build_call (built_in_decls[BUILT_IN_PREFETCH],
+ prefetch = gimple_build_call (builtin_decl_explicit (BUILT_IN_PREFETCH),
3, addr, write_p, local);
gsi_insert_before (&bsi, prefetch, GSI_SAME_STMT);
}
continue;
aloop = VEC_index (loop_p, vloops, i);
- vol = estimated_loop_iterations_int (aloop, false);
+ vol = max_stmt_executions_int (aloop, false);
if (vol < 0)
vol = expected_loop_iterations (aloop);
volume *= vol;
for (gr = refs; gr; gr = gr->next)
for (ref = gr->refs; ref; ref = ref->next)
{
- dr = create_data_ref (nest, ref->mem, ref->stmt, !ref->write_p);
+ dr = create_data_ref (nest, loop_containing_stmt (ref->stmt),
+ ref->mem, ref->stmt, !ref->write_p);
if (dr)
{
return false;
ahead = (PREFETCH_LATENCY + time - 1) / time;
- est_niter = estimated_loop_iterations_int (loop, false);
+ est_niter = max_stmt_executions_int (loop, false);
/* Prefetching is not likely to be profitable if the trip count to ahead
ratio is too small. */
initialize_original_copy_tables ();
- if (!built_in_decls[BUILT_IN_PREFETCH])
+ if (!builtin_decl_explicit_p (BUILT_IN_PREFETCH))
{
tree type = build_function_type_list (void_type_node,
const_ptr_type_node, NULL_TREE);
BUILT_IN_PREFETCH, BUILT_IN_NORMAL,
NULL, NULL_TREE);
DECL_IS_NOVOPS (decl) = true;
- built_in_decls[BUILT_IN_PREFETCH] = decl;
+ set_builtin_decl (BUILT_IN_PREFETCH, decl, false);
}
/* We assume that size of cache line is a power of two, so verify this