Initial checkin of unmodified gcc-5666.3.tar.gz

This is the source to build gcc-4.2 for MacOSX

   gcc version 4.2.1 (Apple Inc. build 5666) (dot 3)

http://opensource.apple.com/tarballs/gcc/gcc-5666.3.tar.gz

Change-Id: I69540223f018e9d07f861fca04bd3833fc138f8b

1 files changed, 321 insertions, 0 deletions

diff --git a/gcc-4.2.1-5666.3/gcc/tree-ssa-operands.h b/gcc-4.2.1-5666.3/gcc/tree-ssa-operands.h
new file mode 100644
index 000000000..daf2dce05
--- /dev/null
+++ b/gcc-4.2.1-5666.3/gcc/tree-ssa-operands.h
@@ -0,0 +1,321 @@
+/* SSA operand management for trees.
+   Copyright (C) 2003, 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.  */
+
+#ifndef GCC_TREE_SSA_OPERANDS_H
+#define GCC_TREE_SSA_OPERANDS_H
+
+/* Interface to SSA operands.  */
+
+
+/* This represents a pointer to a DEF operand.  */
+typedef tree *def_operand_p;
+
+/* This represents a pointer to a USE operand.  */
+typedef ssa_use_operand_t *use_operand_p;
+
+/* NULL operand types.  */
+#define NULL_USE_OPERAND_P 		NULL
+#define NULL_DEF_OPERAND_P 		NULL
+
+/* This represents the DEF operands of a stmt.  */
+struct def_optype_d
+{
+  struct def_optype_d *next;
+  tree *def_ptr;
+};
+typedef struct def_optype_d *def_optype_p;
+
+/* This represents the USE operands of a stmt.  */
+struct use_optype_d 
+{
+  struct use_optype_d *next;
+  struct ssa_use_operand_d use_ptr;
+};
+typedef struct use_optype_d *use_optype_p;
+
+/* This represents the MAY_DEFS for a stmt.  */
+struct maydef_optype_d
+{
+  struct maydef_optype_d *next;
+  tree def_var;
+  tree use_var;
+  struct ssa_use_operand_d use_ptr;
+};
+typedef struct maydef_optype_d *maydef_optype_p;
+
+/* This represents the VUSEs for a stmt.  */
+struct vuse_optype_d
+{
+  struct vuse_optype_d *next;
+  tree use_var;
+  struct ssa_use_operand_d use_ptr;
+};
+typedef struct vuse_optype_d *vuse_optype_p;
+                                                                              
+/* This represents the V_MUST_DEFS for a stmt.  */
+struct mustdef_optype_d
+{
+  struct mustdef_optype_d *next;
+  tree def_var;
+  tree kill_var;
+  struct ssa_use_operand_d use_ptr;
+};
+typedef struct mustdef_optype_d *mustdef_optype_p;
+
+
+#define SSA_OPERAND_MEMORY_SIZE		(2048 - sizeof (void *))
+                                                                              
+struct ssa_operand_memory_d GTY((chain_next("%h.next")))
+{
+  struct ssa_operand_memory_d *next;
+  char mem[SSA_OPERAND_MEMORY_SIZE];
+};
+
+
+/* This represents the operand cache for a stmt.  */
+struct stmt_operands_d
+{
+  /* Statement operands.  */
+  struct def_optype_d * def_ops;
+  struct use_optype_d * use_ops;
+                                                                              
+  /* Virtual operands (V_MAY_DEF, VUSE, and V_MUST_DEF).  */
+  struct maydef_optype_d * maydef_ops;
+  struct vuse_optype_d * vuse_ops;
+  struct mustdef_optype_d * mustdef_ops;
+};
+                                                                              
+typedef struct stmt_operands_d *stmt_operands_p;
+                                                                              
+#define USE_FROM_PTR(PTR)	get_use_from_ptr (PTR)
+#define DEF_FROM_PTR(PTR)	get_def_from_ptr (PTR)
+#define SET_USE(USE, V)		set_ssa_use_from_ptr (USE, V)
+#define SET_DEF(DEF, V)		((*(DEF)) = (V))
+
+#define USE_STMT(USE)		(USE)->stmt
+
+#define DEF_OPS(STMT)		(stmt_ann (STMT)->operands.def_ops)
+#define USE_OPS(STMT)		(stmt_ann (STMT)->operands.use_ops)
+#define VUSE_OPS(STMT)		(stmt_ann (STMT)->operands.vuse_ops)
+#define MAYDEF_OPS(STMT)	(stmt_ann (STMT)->operands.maydef_ops)
+#define MUSTDEF_OPS(STMT)	(stmt_ann (STMT)->operands.mustdef_ops)
+
+#define USE_OP_PTR(OP)		(&((OP)->use_ptr))
+#define USE_OP(OP)		(USE_FROM_PTR (USE_OP_PTR (OP)))
+
+#define DEF_OP_PTR(OP)		((OP)->def_ptr)
+#define DEF_OP(OP)		(DEF_FROM_PTR (DEF_OP_PTR (OP)))
+
+#define VUSE_OP_PTR(OP)		USE_OP_PTR(OP)
+#define VUSE_OP(OP)		((OP)->use_var)
+
+#define MAYDEF_RESULT_PTR(OP)	(&((OP)->def_var))
+#define MAYDEF_RESULT(OP)	((OP)->def_var)
+#define MAYDEF_OP_PTR(OP)	USE_OP_PTR (OP)
+#define MAYDEF_OP(OP)		((OP)->use_var)
+
+#define MUSTDEF_RESULT_PTR(OP)	(&((OP)->def_var))
+#define MUSTDEF_RESULT(OP)	((OP)->def_var)
+#define MUSTDEF_KILL_PTR(OP)	USE_OP_PTR (OP)
+#define MUSTDEF_KILL(OP)	((OP)->kill_var)
+
+#define PHI_RESULT_PTR(PHI)	get_phi_result_ptr (PHI)
+#define PHI_RESULT(PHI)		DEF_FROM_PTR (PHI_RESULT_PTR (PHI))
+#define SET_PHI_RESULT(PHI, V)	SET_DEF (PHI_RESULT_PTR (PHI), (V))
+
+#define PHI_ARG_DEF_PTR(PHI, I)	get_phi_arg_def_ptr ((PHI), (I))
+#define PHI_ARG_DEF(PHI, I)	USE_FROM_PTR (PHI_ARG_DEF_PTR ((PHI), (I)))
+#define SET_PHI_ARG_DEF(PHI, I, V)					\
+				SET_USE (PHI_ARG_DEF_PTR ((PHI), (I)), (V))
+#define PHI_ARG_DEF_FROM_EDGE(PHI, E)					\
+				PHI_ARG_DEF ((PHI), (E)->dest_idx)
+#define PHI_ARG_DEF_PTR_FROM_EDGE(PHI, E)				\
+				PHI_ARG_DEF_PTR ((PHI), (E)->dest_idx)
+#define PHI_ARG_INDEX_FROM_USE(USE)   phi_arg_index_from_use (USE)
+
+
+extern void init_ssa_operands (void);
+extern void fini_ssa_operands (void);
+extern void free_ssa_operands (stmt_operands_p);
+extern void update_stmt_operands (tree);
+extern bool verify_imm_links (FILE *f, tree var);
+
+extern void copy_virtual_operands (tree, tree);
+extern void create_ssa_artficial_load_stmt (tree, tree);
+
+extern void dump_immediate_uses (FILE *file);
+extern void dump_immediate_uses_for (FILE *file, tree var);
+extern void debug_immediate_uses (void);
+extern void debug_immediate_uses_for (tree var);
+
+extern bool ssa_operands_active (void);
+
+extern void add_to_addressable_set (tree, bitmap *);
+
+enum ssa_op_iter_type {
+  ssa_op_iter_none = 0,
+  ssa_op_iter_tree,
+  ssa_op_iter_use,
+  ssa_op_iter_def,
+  ssa_op_iter_maymustdef
+};
+/* This structure is used in the operand iterator loops.  It contains the 
+   items required to determine which operand is retrieved next.  During
+   optimization, this structure is scalarized, and any unused fields are 
+   optimized away, resulting in little overhead.  */
+
+typedef struct ssa_operand_iterator_d
+{
+  def_optype_p defs;
+  use_optype_p uses;
+  vuse_optype_p vuses;
+  maydef_optype_p maydefs;
+  maydef_optype_p mayuses;
+  mustdef_optype_p mustdefs;
+  mustdef_optype_p mustkills;
+  enum ssa_op_iter_type iter_type;
+  int phi_i;
+  int num_phi;
+  tree phi_stmt;
+  bool done;
+} ssa_op_iter;
+
+/* These flags are used to determine which operands are returned during 
+   execution of the loop.  */
+#define SSA_OP_USE		0x01	/* Real USE operands.  */
+#define SSA_OP_DEF		0x02	/* Real DEF operands.  */
+#define SSA_OP_VUSE		0x04	/* VUSE operands.  */
+#define SSA_OP_VMAYUSE		0x08	/* USE portion of V_MAY_DEFS.  */
+#define SSA_OP_VMAYDEF		0x10	/* DEF portion of V_MAY_DEFS.  */
+#define SSA_OP_VMUSTDEF		0x20	/* V_MUST_DEF definitions.  */
+#define SSA_OP_VMUSTKILL     	0x40    /* V_MUST_DEF kills.  */
+
+/* These are commonly grouped operand flags.  */
+#define SSA_OP_VIRTUAL_USES	(SSA_OP_VUSE | SSA_OP_VMAYUSE)
+#define SSA_OP_VIRTUAL_DEFS	(SSA_OP_VMAYDEF | SSA_OP_VMUSTDEF)
+#define SSA_OP_VIRTUAL_KILLS    (SSA_OP_VMUSTKILL)
+#define SSA_OP_ALL_VIRTUALS     (SSA_OP_VIRTUAL_USES | SSA_OP_VIRTUAL_KILLS \
+				 | SSA_OP_VIRTUAL_DEFS)
+#define SSA_OP_ALL_USES		(SSA_OP_VIRTUAL_USES | SSA_OP_USE)
+#define SSA_OP_ALL_DEFS		(SSA_OP_VIRTUAL_DEFS | SSA_OP_DEF)
+#define SSA_OP_ALL_KILLS        (SSA_OP_VIRTUAL_KILLS)
+#define SSA_OP_ALL_OPERANDS	(SSA_OP_ALL_USES | SSA_OP_ALL_DEFS	\
+				 | SSA_OP_ALL_KILLS)
+
+/* This macro executes a loop over the operands of STMT specified in FLAG, 
+   returning each operand as a 'tree' in the variable TREEVAR.  ITER is an
+   ssa_op_iter structure used to control the loop.  */
+#define FOR_EACH_SSA_TREE_OPERAND(TREEVAR, STMT, ITER, FLAGS)	\
+  for (TREEVAR = op_iter_init_tree (&(ITER), STMT, FLAGS);	\
+       !op_iter_done (&(ITER));					\
+       TREEVAR = op_iter_next_tree (&(ITER)))
+
+/* This macro executes a loop over the operands of STMT specified in FLAG, 
+   returning each operand as a 'use_operand_p' in the variable USEVAR.  
+   ITER is an ssa_op_iter structure used to control the loop.  */
+#define FOR_EACH_SSA_USE_OPERAND(USEVAR, STMT, ITER, FLAGS)	\
+  for (USEVAR = op_iter_init_use (&(ITER), STMT, FLAGS);	\
+       !op_iter_done (&(ITER));					\
+       USEVAR = op_iter_next_use (&(ITER)))
+
+/* This macro executes a loop over the operands of STMT specified in FLAG, 
+   returning each operand as a 'def_operand_p' in the variable DEFVAR.  
+   ITER is an ssa_op_iter structure used to control the loop.  */
+#define FOR_EACH_SSA_DEF_OPERAND(DEFVAR, STMT, ITER, FLAGS)	\
+  for (DEFVAR = op_iter_init_def (&(ITER), STMT, FLAGS);	\
+       !op_iter_done (&(ITER));					\
+       DEFVAR = op_iter_next_def (&(ITER)))
+
+/* This macro executes a loop over the V_MAY_DEF operands of STMT.  The def
+   and use for each V_MAY_DEF is returned in DEFVAR and USEVAR. 
+   ITER is an ssa_op_iter structure used to control the loop.  */
+#define FOR_EACH_SSA_MAYDEF_OPERAND(DEFVAR, USEVAR, STMT, ITER)	\
+  for (op_iter_init_maydef (&(ITER), STMT, &(USEVAR), &(DEFVAR));	\
+       !op_iter_done (&(ITER));					\
+       op_iter_next_maymustdef (&(USEVAR), &(DEFVAR), &(ITER)))
+
+/* This macro executes a loop over the V_MUST_DEF operands of STMT.  The def
+   and kill for each V_MUST_DEF is returned in DEFVAR and KILLVAR. 
+   ITER is an ssa_op_iter structure used to control the loop.  */
+#define FOR_EACH_SSA_MUSTDEF_OPERAND(DEFVAR, KILLVAR, STMT, ITER)	\
+  for (op_iter_init_mustdef (&(ITER), STMT, &(KILLVAR), &(DEFVAR));	\
+       !op_iter_done (&(ITER));					\
+       op_iter_next_maymustdef (&(KILLVAR), &(DEFVAR), &(ITER)))
+
+/* This macro executes a loop over the V_{MUST,MAY}_DEF of STMT.  The def
+   and kill for each V_{MUST,MAY}_DEF is returned in DEFVAR and KILLVAR. 
+   ITER is an ssa_op_iter structure used to control the loop.  */
+#define FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND(DEFVAR, KILLVAR, STMT, ITER)\
+  for (op_iter_init_must_and_may_def (&(ITER), STMT, &(KILLVAR), &(DEFVAR));\
+       !op_iter_done (&(ITER));					\
+       op_iter_next_maymustdef (&(KILLVAR), &(DEFVAR), &(ITER)))
+
+/* This macro will execute a loop over all the arguments of a PHI which
+   match FLAGS.   A use_operand_p is always returned via USEVAR.  FLAGS
+   can be either SSA_OP_USE or SSA_OP_VIRTUAL_USES or SSA_OP_ALL_USES.  */
+#define FOR_EACH_PHI_ARG(USEVAR, STMT, ITER, FLAGS)		\
+  for ((USEVAR) = op_iter_init_phiuse (&(ITER), STMT, FLAGS);	\
+       !op_iter_done (&(ITER));					\
+       (USEVAR) = op_iter_next_use (&(ITER)))
+
+
+/* This macro will execute a loop over a stmt, regardless of whether it is
+   a real stmt or a PHI node, looking at the USE nodes matching FLAGS.  */
+#define FOR_EACH_PHI_OR_STMT_USE(USEVAR, STMT, ITER, FLAGS)	\
+  for ((USEVAR) = (TREE_CODE (STMT) == PHI_NODE 		\
+		   ? op_iter_init_phiuse (&(ITER), STMT, FLAGS)	\
+		   : op_iter_init_use (&(ITER), STMT, FLAGS));	\
+       !op_iter_done (&(ITER));					\
+       (USEVAR) = op_iter_next_use (&(ITER)))
+
+/* This macro will execute a loop over a stmt, regardless of whether it is
+   a real stmt or a PHI node, looking at the DEF nodes matching FLAGS.  */
+#define FOR_EACH_PHI_OR_STMT_DEF(DEFVAR, STMT, ITER, FLAGS)	\
+  for ((DEFVAR) = (TREE_CODE (STMT) == PHI_NODE 		\
+		   ? op_iter_init_phidef (&(ITER), STMT, FLAGS)	\
+		   : op_iter_init_def (&(ITER), STMT, FLAGS));	\
+       !op_iter_done (&(ITER));					\
+       (DEFVAR) = op_iter_next_def (&(ITER)))
+  
+/* This macro returns an operand in STMT as a tree if it is the ONLY
+   operand matching FLAGS.  If there are 0 or more than 1 operand matching
+   FLAGS, then NULL_TREE is returned.  */
+#define SINGLE_SSA_TREE_OPERAND(STMT, FLAGS)			\
+  single_ssa_tree_operand (STMT, FLAGS)
+                                                                                
+/* This macro returns an operand in STMT as a use_operand_p if it is the ONLY
+   operand matching FLAGS.  If there are 0 or more than 1 operand matching
+   FLAGS, then NULL_USE_OPERAND_P is returned.  */
+#define SINGLE_SSA_USE_OPERAND(STMT, FLAGS)			\
+  single_ssa_use_operand (STMT, FLAGS)
+                                                                                
+/* This macro returns an operand in STMT as a def_operand_p if it is the ONLY
+   operand matching FLAGS.  If there are 0 or more than 1 operand matching
+   FLAGS, then NULL_DEF_OPERAND_P is returned.  */
+#define SINGLE_SSA_DEF_OPERAND(STMT, FLAGS)			\
+  single_ssa_def_operand (STMT, FLAGS)
+
+/* This macro returns TRUE if there are no operands matching FLAGS in STMT.  */
+#define ZERO_SSA_OPERANDS(STMT, FLAGS) 	zero_ssa_operands (STMT, FLAGS)
+
+/* This macro counts the number of operands in STMT matching FLAGS.  */
+#define NUM_SSA_OPERANDS(STMT, FLAGS)	num_ssa_operands (STMT, FLAGS)
+
+#endif  /* GCC_TREE_SSA_OPERANDS_H  */