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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/tree-ssa-operands.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/tree-ssa-operands.h | 321 |
1 files changed, 0 insertions, 321 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 deleted file mode 100644 index daf2dce05..000000000 --- a/gcc-4.2.1-5666.3/gcc/tree-ssa-operands.h +++ /dev/null @@ -1,321 +0,0 @@ -/* 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 */ |