static maydef_optype_p free_maydefs = NULL;
static mustdef_optype_p free_mustdefs = NULL;
+/* Allocates operand OP of given TYPE from the appropriate free list,
+ or of the new value if the list is empty. */
+
+#define ALLOC_OPTYPE(OP, TYPE) \
+ do \
+ { \
+ TYPE##_optype_p ret = free_##TYPE##s; \
+ if (ret) \
+ free_##TYPE##s = ret->next; \
+ else \
+ ret = ssa_operand_alloc (sizeof (*ret)); \
+ (OP) = ret; \
+ } while (0)
/* Return the DECL_UID of the base variable of T. */
link_imm_use (ptr, *(ptr->use));
}
+/* Appends ELT after TO, and moves the TO pointer to ELT. */
+
+#define APPEND_OP_AFTER(ELT, TO) \
+ do \
+ { \
+ (TO)->next = (ELT); \
+ (TO) = (ELT); \
+ } while (0)
+
+/* Appends head of list FROM after TO, and move both pointers
+ to their successors. */
+
+#define MOVE_HEAD_AFTER(FROM, TO) \
+ do \
+ { \
+ APPEND_OP_AFTER (FROM, TO); \
+ (FROM) = (FROM)->next; \
+ } while (0)
+
+/* Moves OP to appropriate freelist. OP is set to its successor. */
+
+#define MOVE_HEAD_TO_FREELIST(OP, TYPE) \
+ do \
+ { \
+ TYPE##_optype_p next = (OP)->next; \
+ (OP)->next = free_##TYPE##s; \
+ free_##TYPE##s = (OP); \
+ (OP) = next; \
+ } while (0)
+
+/* Initializes immediate use at USE_PTR to value VAL, and links it to the list
+ of immeditate uses. STMT is the current statement. */
+
+#define INITIALIZE_USE(USE_PTR, VAL, STMT) \
+ do \
+ { \
+ (USE_PTR)->use = (VAL); \
+ link_imm_use_stmt ((USE_PTR), *(VAL), (STMT)); \
+ } while (0)
+
+/* Adds OP to the list of defs after LAST, and moves
+ LAST to the new element. */
-#define FINALIZE_OPBUILD build_defs
-#define FINALIZE_OPBUILD_BASE(I) (tree *)VEC_index (tree, \
- build_defs, (I))
-#define FINALIZE_OPBUILD_ELEM(I) (tree *)VEC_index (tree, \
- build_defs, (I))
-#define FINALIZE_FUNC finalize_ssa_def_ops
-#define FINALIZE_ALLOC alloc_def
-#define FINALIZE_FREE free_defs
-#define FINALIZE_TYPE struct def_optype_d
-#define FINALIZE_ELEM(PTR) ((PTR)->def_ptr)
-#define FINALIZE_OPS DEF_OPS
-#define FINALIZE_BASE(VAR) VAR
-#define FINALIZE_BASE_TYPE tree *
-#define FINALIZE_BASE_ZERO NULL
-#define FINALIZE_INITIALIZE(PTR, VAL, STMT) FINALIZE_ELEM (PTR) = (VAL)
-#include "tree-ssa-opfinalize.h"
+static inline void
+add_def_op (tree *op, def_optype_p *last)
+{
+ def_optype_p new;
+
+ ALLOC_OPTYPE (new, def);
+ DEF_OP_PTR (new) = op;
+ APPEND_OP_AFTER (new, *last);
+}
+
+/* Adds OP to the list of uses of statement STMT after LAST, and moves
+ LAST to the new element. */
+
+static inline void
+add_use_op (tree stmt, tree *op, use_optype_p *last)
+{
+ use_optype_p new;
+
+ ALLOC_OPTYPE (new, use);
+ INITIALIZE_USE (USE_OP_PTR (new), op, stmt);
+ APPEND_OP_AFTER (new, *last);
+}
+
+/* Adds OP to the list of vuses of statement STMT after LAST, and moves
+ LAST to the new element. */
+
+static inline void
+add_vuse_op (tree stmt, tree op, vuse_optype_p *last)
+{
+ vuse_optype_p new;
+
+ ALLOC_OPTYPE (new, vuse);
+ VUSE_OP (new) = op;
+ INITIALIZE_USE (VUSE_OP_PTR (new), &VUSE_OP (new), stmt);
+ APPEND_OP_AFTER (new, *last);
+}
+
+/* Adds OP to the list of maydefs of statement STMT after LAST, and moves
+ LAST to the new element. */
+
+static inline void
+add_maydef_op (tree stmt, tree op, maydef_optype_p *last)
+{
+ maydef_optype_p new;
+
+ ALLOC_OPTYPE (new, maydef);
+ MAYDEF_RESULT (new) = op;
+ MAYDEF_OP (new) = op;
+ INITIALIZE_USE (MAYDEF_OP_PTR (new), &MAYDEF_OP (new), stmt);
+ APPEND_OP_AFTER (new, *last);
+}
+
+/* Adds OP to the list of mustdefs of statement STMT after LAST, and moves
+ LAST to the new element. */
+
+static inline void
+add_mustdef_op (tree stmt, tree op, mustdef_optype_p *last)
+{
+ mustdef_optype_p new;
+
+ ALLOC_OPTYPE (new, mustdef);
+ MUSTDEF_RESULT (new) = op;
+ MUSTDEF_KILL (new) = op;
+ INITIALIZE_USE (MUSTDEF_KILL_PTR (new), &MUSTDEF_KILL (new), stmt);
+ APPEND_OP_AFTER (new, *last);
+}
+
+/* Takes elements from build_defs and turns them into def operands of STMT.
+ TODO -- Given that def operands list is not neccessarily sorted, merging
+ the operands this way does not make much sense.
+ -- Make build_defs VEC of tree *. */
+
+static inline void
+finalize_ssa_def_ops (tree stmt)
+{
+ unsigned new_i;
+ struct def_optype_d new_list;
+ def_optype_p old_ops, ptr, last;
+ tree *old_base;
+
+ new_list.next = NULL;
+ last = &new_list;
+
+ old_ops = DEF_OPS (stmt);
+
+ new_i = 0;
+ while (old_ops && new_i < VEC_length (tree, build_defs))
+ {
+ tree *new_base = (tree *) VEC_index (tree, build_defs, new_i);
+ old_base = DEF_OP_PTR (old_ops);
+
+ if (old_base == new_base)
+ {
+ /* if variables are the same, reuse this node. */
+ MOVE_HEAD_AFTER (old_ops, last);
+ new_i++;
+ }
+ else if (old_base < new_base)
+ {
+ /* if old is less than new, old goes to the free list. */
+ MOVE_HEAD_TO_FREELIST (old_ops, def);
+ }
+ else
+ {
+ /* This is a new operand. */
+ add_def_op (new_base, &last);
+ new_i++;
+ }
+ }
+
+ /* If there is anything remaining in the build_defs list, simply emit it. */
+ for ( ; new_i < VEC_length (tree, build_defs); new_i++)
+ add_def_op ((tree *) VEC_index (tree, build_defs, new_i), &last);
+ last->next = NULL;
+
+ /* If there is anything in the old list, free it. */
+ if (old_ops)
+ {
+ old_ops->next = free_defs;
+ free_defs = old_ops;
+ }
+
+ /* Now set the stmt's operands. */
+ DEF_OPS (stmt) = new_list.next;
+
+#ifdef ENABLE_CHECKING
+ {
+ unsigned x = 0;
+ for (ptr = DEF_OPS (stmt); ptr; ptr = ptr->next)
+ x++;
+
+ gcc_assert (x == VEC_length (tree, build_defs));
+ }
+#endif
+}
/* This routine will create stmt operands for STMT from the def build list. */
VEC_truncate (tree, build_defs, 0);
}
-#define FINALIZE_OPBUILD build_uses
-#define FINALIZE_OPBUILD_BASE(I) (tree *)VEC_index (tree, \
- build_uses, (I))
-#define FINALIZE_OPBUILD_ELEM(I) (tree *)VEC_index (tree, \
- build_uses, (I))
-#define FINALIZE_FUNC finalize_ssa_use_ops
-#define FINALIZE_ALLOC alloc_use
-#define FINALIZE_FREE free_uses
-#define FINALIZE_TYPE struct use_optype_d
-#define FINALIZE_ELEM(PTR) ((PTR)->use_ptr.use)
-#define FINALIZE_OPS USE_OPS
-#define FINALIZE_USE_PTR(PTR) USE_OP_PTR (PTR)
-#define FINALIZE_CORRECT_USE correct_use_link
-#define FINALIZE_BASE(VAR) VAR
-#define FINALIZE_BASE_TYPE tree *
-#define FINALIZE_BASE_ZERO NULL
-#define FINALIZE_INITIALIZE(PTR, VAL, STMT) \
- (PTR)->use_ptr.use = (VAL); \
- link_imm_use_stmt (&((PTR)->use_ptr), \
- *(VAL), (STMT))
-#include "tree-ssa-opfinalize.h"
+/* Takes elements from build_uses and turns them into use operands of STMT.
+ TODO -- Given that use operands list is not neccessarily sorted, merging
+ the operands this way does not make much sense.
+ -- Make build_uses VEC of tree *. */
+
+static inline void
+finalize_ssa_use_ops (tree stmt)
+{
+ unsigned new_i;
+ struct use_optype_d new_list;
+ use_optype_p old_ops, ptr, last;
+ tree *old_base, *new_base;
+
+ new_list.next = NULL;
+ last = &new_list;
+
+ old_ops = USE_OPS (stmt);
+
+ new_i = 0;
+ while (old_ops && new_i < VEC_length (tree, build_uses))
+ {
+ new_base = (tree *) VEC_index (tree, build_uses, new_i);
+ old_base = USE_OP_PTR (old_ops)->use;
+
+ if (old_base == new_base)
+ {
+ /* if variables are the same, reuse this node. */
+ MOVE_HEAD_AFTER (old_ops, last);
+ correct_use_link (USE_OP_PTR (last), stmt);
+ new_i++;
+ }
+ else if (old_base < new_base)
+ {
+ /* if old is less than new, old goes to the free list. */
+ delink_imm_use (USE_OP_PTR (old_ops));
+ MOVE_HEAD_TO_FREELIST (old_ops, use);
+ }
+ else
+ {
+ /* This is a new operand. */
+ add_use_op (stmt, new_base, &last);
+ new_i++;
+ }
+ }
+
+ /* If there is anything remaining in the build_uses list, simply emit it. */
+ for ( ; new_i < VEC_length (tree, build_uses); new_i++)
+ add_use_op (stmt, (tree *) VEC_index (tree, build_uses, new_i), &last);
+
+ last->next = NULL;
+
+ /* If there is anything in the old list, free it. */
+ if (old_ops)
+ {
+ for (ptr = old_ops; ptr; ptr = ptr->next)
+ delink_imm_use (USE_OP_PTR (ptr));
+ old_ops->next = free_uses;
+ free_uses = old_ops;
+ }
+
+ /* Now set the stmt's operands. */
+ USE_OPS (stmt) = new_list.next;
+
+#ifdef ENABLE_CHECKING
+ {
+ unsigned x = 0;
+ for (ptr = USE_OPS (stmt); ptr; ptr = ptr->next)
+ x++;
+
+ gcc_assert (x == VEC_length (tree, build_uses));
+ }
+#endif
+}
/* Return a new use operand vector for STMT, comparing to OLD_OPS_P. */
finalize_ssa_use_ops (stmt);
VEC_truncate (tree, build_uses, 0);
}
-
-
-/* Return a new V_MAY_DEF operand vector for STMT, comparing to OLD_OPS_P. */
-#define FINALIZE_OPBUILD build_v_may_defs
-#define FINALIZE_OPBUILD_ELEM(I) VEC_index (tree, build_v_may_defs, (I))
-#define FINALIZE_OPBUILD_BASE(I) get_name_decl (VEC_index (tree, \
- build_v_may_defs, (I)))
-#define FINALIZE_FUNC finalize_ssa_v_may_def_ops
-#define FINALIZE_ALLOC alloc_maydef
-#define FINALIZE_FREE free_maydefs
-#define FINALIZE_TYPE struct maydef_optype_d
-#define FINALIZE_ELEM(PTR) MAYDEF_RESULT (PTR)
-#define FINALIZE_OPS MAYDEF_OPS
-#define FINALIZE_USE_PTR(PTR) MAYDEF_OP_PTR (PTR)
-#define FINALIZE_CORRECT_USE set_virtual_use_link
-#define FINALIZE_BASE_ZERO 0
-#define FINALIZE_BASE(VAR) get_name_decl (VAR)
-#define FINALIZE_BASE_TYPE unsigned
-#define FINALIZE_INITIALIZE(PTR, VAL, STMT) \
- (PTR)->def_var = (VAL); \
- (PTR)->use_var = (VAL); \
- (PTR)->use_ptr.use = &((PTR)->use_var); \
- link_imm_use_stmt (&((PTR)->use_ptr), \
- (VAL), (STMT))
-#include "tree-ssa-opfinalize.h"
-
-
+
+
+/* Takes elements from build_v_may_defs and turns them into maydef operands of
+ STMT. */
+
+static inline void
+finalize_ssa_v_may_def_ops (tree stmt)
+{
+ unsigned new_i;
+ struct maydef_optype_d new_list;
+ maydef_optype_p old_ops, ptr, last;
+ tree act;
+ unsigned old_base, new_base;
+
+ new_list.next = NULL;
+ last = &new_list;
+
+ old_ops = MAYDEF_OPS (stmt);
+
+ new_i = 0;
+ while (old_ops && new_i < VEC_length (tree, build_v_may_defs))
+ {
+ act = VEC_index (tree, build_v_may_defs, new_i);
+ new_base = get_name_decl (act);
+ old_base = get_name_decl (MAYDEF_OP (old_ops));
+
+ if (old_base == new_base)
+ {
+ /* if variables are the same, reuse this node. */
+ MOVE_HEAD_AFTER (old_ops, last);
+ set_virtual_use_link (MAYDEF_OP_PTR (last), stmt);
+ new_i++;
+ }
+ else if (old_base < new_base)
+ {
+ /* if old is less than new, old goes to the free list. */
+ delink_imm_use (MAYDEF_OP_PTR (old_ops));
+ MOVE_HEAD_TO_FREELIST (old_ops, maydef);
+ }
+ else
+ {
+ /* This is a new operand. */
+ add_maydef_op (stmt, act, &last);
+ new_i++;
+ }
+ }
+
+ /* If there is anything remaining in the build_v_may_defs list, simply emit it. */
+ for ( ; new_i < VEC_length (tree, build_v_may_defs); new_i++)
+ add_maydef_op (stmt, VEC_index (tree, build_v_may_defs, new_i), &last);
+
+ last->next = NULL;
+
+ /* If there is anything in the old list, free it. */
+ if (old_ops)
+ {
+ for (ptr = old_ops; ptr; ptr = ptr->next)
+ delink_imm_use (MAYDEF_OP_PTR (ptr));
+ old_ops->next = free_maydefs;
+ free_maydefs = old_ops;
+ }
+
+ /* Now set the stmt's operands. */
+ MAYDEF_OPS (stmt) = new_list.next;
+
+#ifdef ENABLE_CHECKING
+ {
+ unsigned x = 0;
+ for (ptr = MAYDEF_OPS (stmt); ptr; ptr = ptr->next)
+ x++;
+
+ gcc_assert (x == VEC_length (tree, build_v_may_defs));
+ }
+#endif
+}
+
static void
finalize_ssa_v_may_defs (tree stmt)
{
VEC_truncate (tree, build_v_may_defs, 0);
}
-
-#define FINALIZE_OPBUILD build_vuses
-#define FINALIZE_OPBUILD_ELEM(I) VEC_index (tree, build_vuses, (I))
-#define FINALIZE_OPBUILD_BASE(I) get_name_decl (VEC_index (tree, \
- build_vuses, (I)))
-#define FINALIZE_FUNC finalize_ssa_vuse_ops
-#define FINALIZE_ALLOC alloc_vuse
-#define FINALIZE_FREE free_vuses
-#define FINALIZE_TYPE struct vuse_optype_d
-#define FINALIZE_ELEM(PTR) VUSE_OP (PTR)
-#define FINALIZE_OPS VUSE_OPS
-#define FINALIZE_USE_PTR(PTR) VUSE_OP_PTR (PTR)
-#define FINALIZE_CORRECT_USE set_virtual_use_link
-#define FINALIZE_BASE_ZERO 0
-#define FINALIZE_BASE(VAR) get_name_decl (VAR)
-#define FINALIZE_BASE_TYPE unsigned
-#define FINALIZE_INITIALIZE(PTR, VAL, STMT) \
- (PTR)->use_var = (VAL); \
- (PTR)->use_ptr.use = &((PTR)->use_var); \
- link_imm_use_stmt (&((PTR)->use_ptr), \
- (VAL), (STMT))
-#include "tree-ssa-opfinalize.h"
+/* Takes elements from build_vuses and turns them into vuse operands of
+ STMT. */
+
+static inline void
+finalize_ssa_vuse_ops (tree stmt)
+{
+ unsigned new_i;
+ struct vuse_optype_d new_list;
+ vuse_optype_p old_ops, ptr, last;
+ tree act;
+ unsigned old_base, new_base;
+
+ new_list.next = NULL;
+ last = &new_list;
+ old_ops = VUSE_OPS (stmt);
+
+ new_i = 0;
+ while (old_ops && new_i < VEC_length (tree, build_vuses))
+ {
+ act = VEC_index (tree, build_vuses, new_i);
+ new_base = get_name_decl (act);
+ old_base = get_name_decl (VUSE_OP (old_ops));
+
+ if (old_base == new_base)
+ {
+ /* if variables are the same, reuse this node. */
+ MOVE_HEAD_AFTER (old_ops, last);
+ set_virtual_use_link (VUSE_OP_PTR (last), stmt);
+ new_i++;
+ }
+ else if (old_base < new_base)
+ {
+ /* if old is less than new, old goes to the free list. */
+ delink_imm_use (USE_OP_PTR (old_ops));
+ MOVE_HEAD_TO_FREELIST (old_ops, vuse);
+ }
+ else
+ {
+ /* This is a new operand. */
+ add_vuse_op (stmt, act, &last);
+ new_i++;
+ }
+ }
+
+ /* If there is anything remaining in the build_vuses list, simply emit it. */
+ for ( ; new_i < VEC_length (tree, build_vuses); new_i++)
+ add_vuse_op (stmt, VEC_index (tree, build_vuses, new_i), &last);
+
+ last->next = NULL;
+
+ /* If there is anything in the old list, free it. */
+ if (old_ops)
+ {
+ for (ptr = old_ops; ptr; ptr = ptr->next)
+ delink_imm_use (VUSE_OP_PTR (ptr));
+ old_ops->next = free_vuses;
+ free_vuses = old_ops;
+ }
+
+ /* Now set the stmt's operands. */
+ VUSE_OPS (stmt) = new_list.next;
+
+#ifdef ENABLE_CHECKING
+ {
+ unsigned x = 0;
+ for (ptr = VUSE_OPS (stmt); ptr; ptr = ptr->next)
+ x++;
+
+ gcc_assert (x == VEC_length (tree, build_vuses));
+ }
+#endif
+}
+
/* Return a new VUSE operand vector, comparing to OLD_OPS_P. */
static void
VEC_truncate (tree, build_vuses, 0);
}
-
-/* Return a new V_MUST_DEF operand vector for STMT, comparing to OLD_OPS_P. */
-
-#define FINALIZE_OPBUILD build_v_must_defs
-#define FINALIZE_OPBUILD_ELEM(I) VEC_index (tree, build_v_must_defs, (I))
-#define FINALIZE_OPBUILD_BASE(I) get_name_decl (VEC_index (tree, \
- build_v_must_defs, (I)))
-#define FINALIZE_FUNC finalize_ssa_v_must_def_ops
-#define FINALIZE_ALLOC alloc_mustdef
-#define FINALIZE_FREE free_mustdefs
-#define FINALIZE_TYPE struct mustdef_optype_d
-#define FINALIZE_ELEM(PTR) MUSTDEF_RESULT (PTR)
-#define FINALIZE_OPS MUSTDEF_OPS
-#define FINALIZE_USE_PTR(PTR) MUSTDEF_KILL_PTR (PTR)
-#define FINALIZE_CORRECT_USE set_virtual_use_link
-#define FINALIZE_BASE_ZERO 0
-#define FINALIZE_BASE(VAR) get_name_decl (VAR)
-#define FINALIZE_BASE_TYPE unsigned
-#define FINALIZE_INITIALIZE(PTR, VAL, STMT) \
- (PTR)->def_var = (VAL); \
- (PTR)->kill_var = (VAL); \
- (PTR)->use_ptr.use = &((PTR)->kill_var);\
- link_imm_use_stmt (&((PTR)->use_ptr), \
- (VAL), (STMT))
-#include "tree-ssa-opfinalize.h"
+/* Takes elements from build_v_must_defs and turns them into mustdef operands of
+ STMT. */
+
+static inline void
+finalize_ssa_v_must_def_ops (tree stmt)
+{
+ unsigned new_i;
+ struct mustdef_optype_d new_list;
+ mustdef_optype_p old_ops, ptr, last;
+ tree act;
+ unsigned old_base, new_base;
+
+ new_list.next = NULL;
+ last = &new_list;
+
+ old_ops = MUSTDEF_OPS (stmt);
+
+ new_i = 0;
+ while (old_ops && new_i < VEC_length (tree, build_v_must_defs))
+ {
+ act = VEC_index (tree, build_v_must_defs, new_i);
+ new_base = get_name_decl (act);
+ old_base = get_name_decl (MUSTDEF_KILL (old_ops));
+
+ if (old_base == new_base)
+ {
+ /* If variables are the same, reuse this node. */
+ MOVE_HEAD_AFTER (old_ops, last);
+ set_virtual_use_link (MUSTDEF_KILL_PTR (last), stmt);
+ new_i++;
+ }
+ else if (old_base < new_base)
+ {
+ /* If old is less than new, old goes to the free list. */
+ delink_imm_use (MUSTDEF_KILL_PTR (old_ops));
+ MOVE_HEAD_TO_FREELIST (old_ops, mustdef);
+ }
+ else
+ {
+ /* This is a new operand. */
+ add_mustdef_op (stmt, act, &last);
+ new_i++;
+ }
+ }
+
+ /* If there is anything remaining in the build_v_must_defs list, simply emit it. */
+ for ( ; new_i < VEC_length (tree, build_v_must_defs); new_i++)
+ add_mustdef_op (stmt, VEC_index (tree, build_v_must_defs, new_i), &last);
+
+ last->next = NULL;
+
+ /* If there is anything in the old list, free it. */
+ if (old_ops)
+ {
+ for (ptr = old_ops; ptr; ptr = ptr->next)
+ delink_imm_use (MUSTDEF_KILL_PTR (ptr));
+ old_ops->next = free_mustdefs;
+ free_mustdefs = old_ops;
+ }
+
+ /* Now set the stmt's operands. */
+ MUSTDEF_OPS (stmt) = new_list.next;
+
+#ifdef ENABLE_CHECKING
+ {
+ unsigned x = 0;
+ for (ptr = MUSTDEF_OPS (stmt); ptr; ptr = ptr->next)
+ x++;
+
+ gcc_assert (x == VEC_length (tree, build_v_must_defs));
+ }
+#endif
+}
static void
finalize_ssa_v_must_defs (tree stmt)
+++ /dev/null
-/* SSA operand allocation and finalizing.
- Copyright (C) 2005 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 the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of 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
-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. */
-
-
-/* This file contains common code which is used by each of the 5 operand
- types. Macros are defined to specify the varying components.
-
- FINALIZE_FUNC - name of finalize function.
- FINALIZE_ALLOC - name of allocation routine.
- FINALIZE_FREE - name of free list.
- FINALIZE_TYPE - type of node.
- FINALIZE_OPS - Lead element in list.
- FINALIZE_USE_PTR - How to get the use_operand_p, if this is a use operand.
- FINALIZE_INITIALIZE - How to initialize an element.
- FINALIZE_ELEM - How to retrieve an element.
- FINALIZE_BASE - How to retrieve the base variable of an element.
- FINALIZE_BASE_TYPE - Type of the base variable.
- FINALIZE_OPBUILD - Opbuild array for these nodes.
- FINALIZE_OPBUILD_ELEM - How to get an element from the opbuild list.
- FINALIZE_OPBUILD_BASE - How to get an element base from the opbuild list.
- FINALIZE_BASE_ZERO - How to zero an element. */
-
-
-/* This routine will either pick up a node from the free list, or allocate a
- new one if need be. */
-
-static inline FINALIZE_TYPE *
-FINALIZE_ALLOC (void)
-{
- FINALIZE_TYPE *ret;
- if (FINALIZE_FREE)
- {
- ret = FINALIZE_FREE;
- FINALIZE_FREE = FINALIZE_FREE->next;
- }
- else
- ret = (FINALIZE_TYPE *)ssa_operand_alloc (sizeof (FINALIZE_TYPE));
- return ret;
-}
-
-
-
-/* This routine will take the new operands from FINALIZE_OPBUILD and turn them
- into the new operands for STMT. All required linking and deleting is u
- performed here. */
-static inline void
-FINALIZE_FUNC (tree stmt)
-{
- unsigned new_i;
- FINALIZE_TYPE *old_ops, *ptr, *last;
- FINALIZE_BASE_TYPE old_base;
- FINALIZE_TYPE new_list;
-
- new_list.next = NULL;
- last = &new_list;
-
- old_ops = FINALIZE_OPS (stmt);
- if (old_ops)
- old_base = FINALIZE_BASE (FINALIZE_ELEM (old_ops));
- else
- old_base = FINALIZE_BASE_ZERO;
-
- new_i = 0;
- while (old_ops && new_i < VEC_length (tree, FINALIZE_OPBUILD))
- {
- FINALIZE_BASE_TYPE new_base = FINALIZE_OPBUILD_BASE (new_i);
- if (old_base == new_base)
- {
- /* if variables are the same, reuse this node. */
- last->next = old_ops;
- last = old_ops;
-#ifdef FINALIZE_CORRECT_USE
- FINALIZE_CORRECT_USE (FINALIZE_USE_PTR (last), stmt);
-#endif
- old_ops = old_ops->next;
- new_i++;
- }
- else
- if (old_base < new_base)
- {
- /* if old is less than new, old goes to the free list. */
-#ifdef FINALIZE_USE_PTR
- use_operand_p use_p = FINALIZE_USE_PTR (old_ops);
- delink_imm_use (use_p);
-#endif
- ptr = old_ops;
- old_ops = old_ops->next;
- ptr->next = FINALIZE_FREE;
- FINALIZE_FREE = ptr;
- }
- else
- {
- /* This is a new operand. */
- ptr = FINALIZE_ALLOC ();
- FINALIZE_INITIALIZE (ptr, FINALIZE_OPBUILD_ELEM (new_i), stmt);
- last->next = ptr;
- last = ptr;
- new_i++;
- }
- if (old_ops)
- old_base = FINALIZE_BASE (FINALIZE_ELEM (old_ops));
- }
-
- /* If there is anything remaining in the opbuild list, simply emit them. */
- for ( ; new_i < VEC_length (tree, FINALIZE_OPBUILD); new_i++)
- {
- ptr = FINALIZE_ALLOC ();
- FINALIZE_INITIALIZE (ptr, FINALIZE_OPBUILD_ELEM (new_i), stmt);
- last->next = ptr;
- last = ptr;
- }
-
- last->next = NULL;
-
- /* If there is anything in the old list, free them. */
- if (old_ops)
- {
-#ifdef FINALIZE_USE_PTR
- for (ptr = old_ops; ptr; ptr = ptr->next)
- {
- use_operand_p use_p = FINALIZE_USE_PTR (ptr);
- delink_imm_use (use_p);
- }
-#endif
- old_ops->next = FINALIZE_FREE;
- FINALIZE_FREE = old_ops;
- }
-
- /* NOw set the stmt's operands. */
- FINALIZE_OPS (stmt) = new_list.next;
-
-#ifdef ENABLE_CHECKING
- {
- unsigned x = 0;
- for (ptr = FINALIZE_OPS (stmt); ptr; ptr = ptr->next)
- x++;
-
- gcc_assert (x == VEC_length (tree, FINALIZE_OPBUILD));
- }
-#endif
-}
-
-#undef FINALIZE_FUNC
-#undef FINALIZE_ALLOC
-#undef FINALIZE_FREE
-#undef FINALIZE_TYPE
-#undef FINALIZE_OPS
-#undef FINALIZE_USE_PTR
-#undef FINALIZE_INITIALIZE
-#undef FINALIZE_ELEM
-#undef FINALIZE_BASE
-#undef FINALIZE_BASE_TYPE
-#undef FINALIZE_OPBUILD
-#undef FINALIZE_OPBUILD_ELEM
-#undef FINALIZE_OPBUILD_BASE
-#undef FINALIZE_BASE_ZERO
-#undef FINALIZE_CORRECT_USE
projects / platform / upstream / linaro-gcc.git / commitdiff