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Add -std=c99 to avx-cmpsd-1.c and avx-cmpss-1.c.
[pf3gnuchains/gcc-fork.git]
/
gcc
/
tree-phinodes.c
diff --git
a/gcc/tree-phinodes.c
b/gcc/tree-phinodes.c
index
5e85aea
..
d9b82e3
100644
(file)
--- a/
gcc/tree-phinodes.c
+++ b/
gcc/tree-phinodes.c
@@
-1,11
+1,11
@@
/* Generic routines for manipulating PHIs
/* Generic routines for manipulating PHIs
- Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2005
, 2007, 2008
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version
2
, or (at your option)
+the Free Software Foundation; either version
3
, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
any later version.
GCC is distributed in the hope that it will be useful,
@@
-14,9
+14,8
@@
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "config.h"
#include "system.h"
@@
-24,11
+23,11
@@
Boston, MA 02110-1301, USA. */
#include "tm.h"
#include "tree.h"
#include "rtl.h"
#include "tm.h"
#include "tree.h"
#include "rtl.h"
-#include "varray.h"
#include "ggc.h"
#include "basic-block.h"
#include "tree-flow.h"
#include "toplev.h"
#include "ggc.h"
#include "basic-block.h"
#include "tree-flow.h"
#include "toplev.h"
+#include "gimple.h"
/* Rewriting a function into SSA form can create a huge number of PHIs
many of which may be thrown away shortly after their creation if jumps
/* Rewriting a function into SSA form can create a huge number of PHIs
many of which may be thrown away shortly after their creation if jumps
@@
-77,11
+76,10
@@
Boston, MA 02110-1301, USA. */
the -2 on all the calculations below. */
#define NUM_BUCKETS 10
the -2 on all the calculations below. */
#define NUM_BUCKETS 10
-static GTY ((deletable ("")))
tree
free_phinodes[NUM_BUCKETS - 2];
+static GTY ((deletable ("")))
VEC(gimple,gc) *
free_phinodes[NUM_BUCKETS - 2];
static unsigned long free_phinode_count;
static int ideal_phi_node_len (int);
static unsigned long free_phinode_count;
static int ideal_phi_node_len (int);
-static void resize_phi_node (tree *, int);
#ifdef GATHER_STATISTICS
unsigned int phi_nodes_reused;
#ifdef GATHER_STATISTICS
unsigned int phi_nodes_reused;
@@
-127,13
+125,13
@@
phinodes_print_statistics (void)
happens to contain a PHI node with LEN arguments or more, return
that one. */
happens to contain a PHI node with LEN arguments or more, return
that one. */
-static inline
tre
e
-allocate_phi_node (
in
t len)
+static inline
gimpl
e
+allocate_phi_node (
size_
t len)
{
{
-
tre
e phi;
-
in
t bucket = NUM_BUCKETS - 2;
-
int size = (sizeof (struct tree_phi_node
)
-
+ (len - 1) * sizeof (struct phi_arg_d)
);
+
gimpl
e phi;
+
size_
t bucket = NUM_BUCKETS - 2;
+
size_t size = sizeof (struct gimple_statement_phi
)
+
+ (len - 1) * sizeof (struct phi_arg_d
);
if (free_phinode_count)
for (bucket = len - 2; bucket < NUM_BUCKETS - 2; bucket++)
if (free_phinode_count)
for (bucket = len - 2; bucket < NUM_BUCKETS - 2; bucket++)
@@
-142,22
+140,27
@@
allocate_phi_node (int len)
/* If our free list has an element, then use it. */
if (bucket < NUM_BUCKETS - 2
/* If our free list has an element, then use it. */
if (bucket < NUM_BUCKETS - 2
- && PHI_ARG_CAPACITY (free_phinodes[bucket]) >= len)
+ && gimple_phi_capacity (VEC_index (gimple, free_phinodes[bucket], 0))
+ >= len)
{
free_phinode_count--;
{
free_phinode_count--;
- phi = free_phinodes[bucket];
- free_phinodes[bucket] = PHI_CHAIN (free_phinodes[bucket]);
+ phi = VEC_pop (gimple, free_phinodes[bucket]);
+ if (VEC_empty (gimple, free_phinodes[bucket]))
+ VEC_free (gimple, gc, free_phinodes[bucket]);
#ifdef GATHER_STATISTICS
phi_nodes_reused++;
#endif
}
else
{
#ifdef GATHER_STATISTICS
phi_nodes_reused++;
#endif
}
else
{
- phi = ggc_alloc (size);
+ phi =
(gimple)
ggc_alloc (size);
#ifdef GATHER_STATISTICS
phi_nodes_created++;
#ifdef GATHER_STATISTICS
phi_nodes_created++;
- tree_node_counts[(int) phi_kind]++;
- tree_node_sizes[(int) phi_kind] += size;
+ {
+ enum gimple_alloc_kind kind = gimple_alloc_kind (GIMPLE_PHI);
+ gimple_alloc_counts[(int) kind]++;
+ gimple_alloc_sizes[(int) kind] += size;
+ }
#endif
}
#endif
}
@@
-185,7
+188,8
@@
ideal_phi_node_len (int len)
len = 2;
/* Compute the number of bytes of the original request. */
len = 2;
/* Compute the number of bytes of the original request. */
- size = sizeof (struct tree_phi_node) + (len - 1) * sizeof (struct phi_arg_d);
+ size = sizeof (struct gimple_statement_phi)
+ + (len - 1) * sizeof (struct phi_arg_d);
/* Round it up to the next power of two. */
log2 = ceil_log2 (size);
/* Round it up to the next power of two. */
log2 = ceil_log2 (size);
@@
-197,13
+201,12
@@
ideal_phi_node_len (int len)
return new_len;
}
return new_len;
}
-
/* Return a PHI node with LEN argument slots for variable VAR. */
/* Return a PHI node with LEN argument slots for variable VAR. */
-
static tre
e
+
gimpl
e
make_phi_node (tree var, int len)
{
make_phi_node (tree var, int len)
{
-
tre
e phi;
+
gimpl
e phi;
int capacity, i;
capacity = ideal_phi_node_len (len);
int capacity, i;
capacity = ideal_phi_node_len (len);
@@
-213,95
+216,99
@@
make_phi_node (tree var, int len)
/* We need to clear the entire PHI node, including the argument
portion, because we represent a "missing PHI argument" by placing
NULL_TREE in PHI_ARG_DEF. */
/* We need to clear the entire PHI node, including the argument
portion, because we represent a "missing PHI argument" by placing
NULL_TREE in PHI_ARG_DEF. */
- memset (phi, 0, (sizeof (struct tree_phi_node) - sizeof (struct phi_arg_d)
+ memset (phi, 0, (sizeof (struct gimple_statement_phi)
+ - sizeof (struct phi_arg_d)
+ sizeof (struct phi_arg_d) * len));
+ sizeof (struct phi_arg_d) * len));
- TREE_SET_CODE (phi, PHI_NODE);
- PHI_NUM_ARGS (phi) = len;
- PHI_ARG_CAPACITY (phi) = capacity;
- TREE_TYPE (phi) = TREE_TYPE (var);
+ phi->gsbase.code = GIMPLE_PHI;
+ phi->gimple_phi.nargs = len;
+ phi->gimple_phi.capacity = capacity;
if (TREE_CODE (var) == SSA_NAME)
if (TREE_CODE (var) == SSA_NAME)
-
SET_PHI_RESULT
(phi, var);
+
gimple_phi_set_result
(phi, var);
else
else
-
SET_PHI_RESULT
(phi, make_ssa_name (var, phi));
+
gimple_phi_set_result
(phi, make_ssa_name (var, phi));
for (i = 0; i < capacity; i++)
{
use_operand_p imm;
for (i = 0; i < capacity; i++)
{
use_operand_p imm;
- imm = &(PHI_ARG_IMM_USE_NODE (phi, i));
- imm->use = &(PHI_ARG_DEF_TREE (phi, i));
+
+ gimple_phi_arg_set_location (phi, i, UNKNOWN_LOCATION);
+ imm = gimple_phi_arg_imm_use_ptr (phi, i);
+ imm->use = gimple_phi_arg_def_ptr (phi, i);
imm->prev = NULL;
imm->next = NULL;
imm->prev = NULL;
imm->next = NULL;
- imm->stmt = phi;
+ imm->
loc.
stmt = phi;
}
}
+
return phi;
}
/* We no longer need PHI, release it so that it may be reused. */
void
return phi;
}
/* We no longer need PHI, release it so that it may be reused. */
void
-release_phi_node (
tre
e phi)
+release_phi_node (
gimpl
e phi)
{
{
-
in
t bucket;
-
int len = PHI_ARG_CAPACITY
(phi);
-
in
t x;
+
size_
t bucket;
+
size_t len = gimple_phi_capacity
(phi);
+
size_
t x;
- for (x = 0; x <
PHI_NUM_ARGS
(phi); x++)
+ for (x = 0; x <
gimple_phi_num_args
(phi); x++)
{
use_operand_p imm;
{
use_operand_p imm;
- imm =
&(PHI_ARG_IMM_USE_NODE (phi, x)
);
+ imm =
gimple_phi_arg_imm_use_ptr (phi, x
);
delink_imm_use (imm);
}
bucket = len > NUM_BUCKETS - 1 ? NUM_BUCKETS - 1 : len;
bucket -= 2;
delink_imm_use (imm);
}
bucket = len > NUM_BUCKETS - 1 ? NUM_BUCKETS - 1 : len;
bucket -= 2;
- PHI_CHAIN (phi) = free_phinodes[bucket];
- free_phinodes[bucket] = phi;
+ VEC_safe_push (gimple, gc, free_phinodes[bucket], phi);
free_phinode_count++;
}
free_phinode_count++;
}
+
/* Resize an existing PHI node. The only way is up. Return the
possibly relocated phi. */
static void
/* Resize an existing PHI node. The only way is up. Return the
possibly relocated phi. */
static void
-resize_phi_node (
tree *phi, in
t len)
+resize_phi_node (
gimple *phi, size_
t len)
{
{
-
in
t old_size, i;
-
tre
e new_phi;
+
size_
t old_size, i;
+
gimpl
e new_phi;
- gcc_assert (len >
PHI_ARG_CAPACITY
(*phi));
+ gcc_assert (len >
gimple_phi_capacity
(*phi));
/* The garbage collector will not look at the PHI node beyond the
first PHI_NUM_ARGS elements. Therefore, all we have to copy is a
portion of the PHI node currently in use. */
/* The garbage collector will not look at the PHI node beyond the
first PHI_NUM_ARGS elements. Therefore, all we have to copy is a
portion of the PHI node currently in use. */
- old_size =
(sizeof (struct tree_phi_node
)
- + (
PHI_NUM_ARGS (*phi) - 1) * sizeof (struct phi_arg_d)
);
+ old_size =
sizeof (struct gimple_statement_phi
)
+ + (
gimple_phi_num_args (*phi) - 1) * sizeof (struct phi_arg_d
);
new_phi = allocate_phi_node (len);
memcpy (new_phi, *phi, old_size);
new_phi = allocate_phi_node (len);
memcpy (new_phi, *phi, old_size);
- for (i = 0; i <
PHI_NUM_ARGS
(new_phi); i++)
+ for (i = 0; i <
gimple_phi_num_args
(new_phi); i++)
{
use_operand_p imm, old_imm;
{
use_operand_p imm, old_imm;
- imm =
&(PHI_ARG_IMM_USE_NODE (new_phi, i)
);
- old_imm =
&(PHI_ARG_IMM_USE_NODE (*phi, i)
);
- imm->use =
&(PHI_ARG_DEF_TREE (new_phi, i)
);
+ imm =
gimple_phi_arg_imm_use_ptr (new_phi, i
);
+ old_imm =
gimple_phi_arg_imm_use_ptr (*phi, i
);
+ imm->use =
gimple_phi_arg_def_ptr (new_phi, i
);
relink_imm_use_stmt (imm, old_imm, new_phi);
}
relink_imm_use_stmt (imm, old_imm, new_phi);
}
-
PHI_ARG_CAPACITY (new_phi)
= len;
+
new_phi->gimple_phi.capacity
= len;
- for (i =
PHI_NUM_ARGS
(new_phi); i < len; i++)
+ for (i =
gimple_phi_num_args
(new_phi); i < len; i++)
{
use_operand_p imm;
{
use_operand_p imm;
- imm = &(PHI_ARG_IMM_USE_NODE (new_phi, i));
- imm->use = &(PHI_ARG_DEF_TREE (new_phi, i));
+
+ gimple_phi_arg_set_location (new_phi, i, UNKNOWN_LOCATION);
+ imm = gimple_phi_arg_imm_use_ptr (new_phi, i);
+ imm->use = gimple_phi_arg_def_ptr (new_phi, i);
imm->prev = NULL;
imm->next = NULL;
imm->prev = NULL;
imm->next = NULL;
- imm->stmt = new_phi;
+ imm->
loc.
stmt = new_phi;
}
}
-
*phi = new_phi;
}
*phi = new_phi;
}
@@
-310,22
+317,22
@@
resize_phi_node (tree *phi, int len)
void
reserve_phi_args_for_new_edge (basic_block bb)
{
void
reserve_phi_args_for_new_edge (basic_block bb)
{
-
tree *loc
;
-
int len = EDGE_COUNT (bb->preds
);
-
int cap = ideal_phi_node_len (len + 4)
;
+
size_t len = EDGE_COUNT (bb->preds)
;
+
size_t cap = ideal_phi_node_len (len + 4
);
+
gimple_stmt_iterator gsi
;
- for (loc = &(bb->phi_nodes);
- *loc;
- loc = &PHI_CHAIN (*loc))
+ for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
{
- if (len > PHI_ARG_CAPACITY (*loc))
+ gimple *loc = gsi_stmt_ptr (&gsi);
+
+ if (len > gimple_phi_capacity (*loc))
{
{
-
tre
e old_phi = *loc;
+
gimpl
e old_phi = *loc;
resize_phi_node (loc, cap);
resize_phi_node (loc, cap);
- /* The result of the
phi is defined by this phi
node. */
- SSA_NAME_DEF_STMT (
PHI_RESULT
(*loc)) = *loc;
+ /* The result of the
PHI is defined by this PHI
node. */
+ SSA_NAME_DEF_STMT (
gimple_phi_result
(*loc)) = *loc;
release_phi_node (old_phi);
}
release_phi_node (old_phi);
}
@@
-339,29
+346,40
@@
reserve_phi_args_for_new_edge (basic_block bb)
batch. */
SET_PHI_ARG_DEF (*loc, len - 1, NULL_TREE);
batch. */
SET_PHI_ARG_DEF (*loc, len - 1, NULL_TREE);
-
PHI_NUM_ARGS (*loc)
++;
+
(*loc)->gimple_phi.nargs
++;
}
}
}
}
-/*
Create a new PHI node for variable VAR at basic block
BB. */
+/*
Adds PHI to
BB. */
-tree
-
create_phi_node (tree var
, basic_block bb)
+void
+
add_phi_node_to_bb (gimple phi
, basic_block bb)
{
{
- tree phi;
-
- phi = make_phi_node (var, EDGE_COUNT (bb->preds));
-
+ gimple_stmt_iterator gsi;
/* Add the new PHI node to the list of PHI nodes for block BB. */
/* Add the new PHI node to the list of PHI nodes for block BB. */
- PHI_CHAIN (phi) = phi_nodes (bb);
- bb->phi_nodes = phi;
+ if (phi_nodes (bb) == NULL)
+ set_phi_nodes (bb, gimple_seq_alloc ());
+
+ gsi = gsi_last (phi_nodes (bb));
+ gsi_insert_after (&gsi, phi, GSI_NEW_STMT);
/* Associate BB to the PHI node. */
/* Associate BB to the PHI node. */
- set_bb_for_stmt (phi, bb);
+ gimple_set_bb (phi, bb);
+
+}
+
+/* Create a new PHI node for variable VAR at basic block BB. */
+gimple
+create_phi_node (tree var, basic_block bb)
+{
+ gimple phi = make_phi_node (var, EDGE_COUNT (bb->preds));
+
+ add_phi_node_to_bb (phi, bb);
return phi;
}
return phi;
}
+
/* Add a new argument to PHI node PHI. DEF is the incoming reaching
definition and E is the edge through which DEF reaches PHI. The new
argument is added at the end of the argument list.
/* Add a new argument to PHI node PHI. DEF is the incoming reaching
definition and E is the edge through which DEF reaches PHI. The new
argument is added at the end of the argument list.
@@
-369,19
+387,19
@@
create_phi_node (tree var, basic_block bb)
PHI points to the reallocated phi node when we return. */
void
PHI points to the reallocated phi node when we return. */
void
-add_phi_arg (
tree phi, tree def, edge e
)
+add_phi_arg (
gimple phi, tree def, edge e, source_location locus
)
{
basic_block bb = e->dest;
{
basic_block bb = e->dest;
- gcc_assert (bb ==
bb_for_stmt
(phi));
+ gcc_assert (bb ==
gimple_bb
(phi));
/* We resize PHI nodes upon edge creation. We should always have
enough room at this point. */
/* We resize PHI nodes upon edge creation. We should always have
enough room at this point. */
- gcc_assert (
PHI_NUM_ARGS (phi) <= PHI_ARG_CAPACITY
(phi));
+ gcc_assert (
gimple_phi_num_args (phi) <= gimple_phi_capacity
(phi));
/* We resize PHI nodes upon edge creation. We should always have
enough room at this point. */
/* We resize PHI nodes upon edge creation. We should always have
enough room at this point. */
- gcc_assert (e->dest_idx <
(unsigned int) PHI_NUM_ARGS
(phi));
+ gcc_assert (e->dest_idx <
gimple_phi_num_args
(phi));
/* Copy propagation needs to know what object occur in abnormal
PHI nodes. This is a convenient place to record such information. */
/* Copy propagation needs to know what object occur in abnormal
PHI nodes. This is a convenient place to record such information. */
@@
-392,97
+410,92
@@
add_phi_arg (tree phi, tree def, edge e)
}
SET_PHI_ARG_DEF (phi, e->dest_idx, def);
}
SET_PHI_ARG_DEF (phi, e->dest_idx, def);
+ gimple_phi_arg_set_location (phi, e->dest_idx, locus);
}
}
+
/* Remove the Ith argument from PHI's argument list. This routine
implements removal by swapping the last alternative with the
alternative we want to delete and then shrinking the vector, which
is consistent with how we remove an edge from the edge vector. */
static void
/* Remove the Ith argument from PHI's argument list. This routine
implements removal by swapping the last alternative with the
alternative we want to delete and then shrinking the vector, which
is consistent with how we remove an edge from the edge vector. */
static void
-remove_phi_arg_num (
tre
e phi, int i)
+remove_phi_arg_num (
gimpl
e phi, int i)
{
{
- int num_elem =
PHI_NUM_ARGS
(phi);
+ int num_elem =
gimple_phi_num_args
(phi);
gcc_assert (i < num_elem);
gcc_assert (i < num_elem);
-
/* Delink the item which is being removed. */
/* Delink the item which is being removed. */
- delink_imm_use (
&(PHI_ARG_IMM_USE_NODE (phi, i)
));
+ delink_imm_use (
gimple_phi_arg_imm_use_ptr (phi, i
));
/* If it is not the last element, move the last element
to the element we want to delete, resetting all the links. */
if (i != num_elem - 1)
{
use_operand_p old_p, new_p;
/* If it is not the last element, move the last element
to the element we want to delete, resetting all the links. */
if (i != num_elem - 1)
{
use_operand_p old_p, new_p;
- old_p =
&PHI_ARG_IMM_USE_NODE
(phi, num_elem - 1);
- new_p =
&PHI_ARG_IMM_USE_NODE
(phi, i);
- /* Set use on new node, and link into last element
s
's place. */
+ old_p =
gimple_phi_arg_imm_use_ptr
(phi, num_elem - 1);
+ new_p =
gimple_phi_arg_imm_use_ptr
(phi, i);
+ /* Set use on new node, and link into last element's place. */
*(new_p->use) = *(old_p->use);
relink_imm_use (new_p, old_p);
*(new_p->use) = *(old_p->use);
relink_imm_use (new_p, old_p);
+ /* Move the location as well. */
+ gimple_phi_arg_set_location (phi, i,
+ gimple_phi_arg_location (phi, num_elem - 1));
}
/* Shrink the vector and return. Note that we do not have to clear
PHI_ARG_DEF because the garbage collector will not look at those
elements beyond the first PHI_NUM_ARGS elements of the array. */
}
/* Shrink the vector and return. Note that we do not have to clear
PHI_ARG_DEF because the garbage collector will not look at those
elements beyond the first PHI_NUM_ARGS elements of the array. */
-
PHI_NUM_ARGS (phi)
--;
+
phi->gimple_phi.nargs
--;
}
}
+
/* Remove all PHI arguments associated with edge E. */
void
remove_phi_args (edge e)
{
/* Remove all PHI arguments associated with edge E. */
void
remove_phi_args (edge e)
{
-
tree ph
i;
+
gimple_stmt_iterator gs
i;
- for (
phi = phi_nodes (e->dest); phi; phi = PHI_CHAIN (ph
i))
- remove_phi_arg_num (
phi
, e->dest_idx);
+ for (
gsi = gsi_start_phis (e->dest); !gsi_end_p (gsi); gsi_next (&gs
i))
+ remove_phi_arg_num (
gsi_stmt (gsi)
, e->dest_idx);
}
}
-/* Remove PHI node PHI from basic block BB. If PREV is non-NULL, it is
- used as the node immediately before PHI in the linked list. */
+
+/* Remove the PHI node pointed-to by iterator GSI from basic block BB. After
+ removal, iterator GSI is updated to point to the next PHI node in the
+ sequence. If RELEASE_LHS_P is true, the LHS of this PHI node is released
+ into the free pool of SSA names. */
void
void
-remove_phi_node (
tree phi, tree prev
)
+remove_phi_node (
gimple_stmt_iterator *gsi, bool release_lhs_p
)
{
{
-
tree *loc
;
+
gimple phi = gsi_stmt (*gsi)
;
- if (prev)
- {
- loc = &PHI_CHAIN (prev);
- }
- else
- {
- for (loc = &(bb_for_stmt (phi)->phi_nodes);
- *loc != phi;
- loc = &PHI_CHAIN (*loc))
- ;
- }
+ if (release_lhs_p)
+ insert_debug_temps_for_defs (gsi);
- /* Remove PHI from the chain. */
- *loc = PHI_CHAIN (phi);
+ gsi_remove (gsi, false);
/* If we are deleting the PHI node, then we should release the
SSA_NAME node so that it can be reused. */
release_phi_node (phi);
/* If we are deleting the PHI node, then we should release the
SSA_NAME node so that it can be reused. */
release_phi_node (phi);
- release_ssa_name (PHI_RESULT (phi));
+ if (release_lhs_p)
+ release_ssa_name (gimple_phi_result (phi));
}
}
+/* Remove all the phi nodes from BB. */
-/* Reverse the order of PHI nodes in the chain PHI.
- Return the new head of the chain (old last PHI node). */
-
-tree
-phi_reverse (tree phi)
+void
+remove_phi_nodes (basic_block bb)
{
{
- tree prev = NULL_TREE, next;
- for (; phi; phi = next)
- {
- next = PHI_CHAIN (phi);
- PHI_CHAIN (phi) = prev;
- prev = phi;
- }
- return prev;
+ gimple_stmt_iterator gsi;
+
+ for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); )
+ remove_phi_node (&gsi, true);
+
+ set_phi_nodes (bb, NULL);
}
#include "gt-tree-phinodes.h"
}
#include "gt-tree-phinodes.h"