diff options
Diffstat (limited to 'gcc/tree-ssa-operands.h')
| -rw-r--r-- | gcc/tree-ssa-operands.h | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/gcc/tree-ssa-operands.h b/gcc/tree-ssa-operands.h index 5a8e02696d4..a435fab0201 100644 --- a/gcc/tree-ssa-operands.h +++ b/gcc/tree-ssa-operands.h @@ -42,7 +42,7 @@ struct def_optype_d typedef struct def_optype_d *def_optype_p; /* This represents the USE operands of a stmt. */ -struct use_optype_d +struct use_optype_d { struct use_optype_d *next; struct ssa_use_operand_d use_ptr; @@ -52,7 +52,7 @@ typedef struct use_optype_d *use_optype_p; /* This structure represents a variable sized buffer which is allocated by the operand memory manager. Operands are suballocated out of this block. The MEM array varies in size. */ - + struct GTY((chain_next("%h.next"))) ssa_operand_memory_d { struct ssa_operand_memory_d *next; char mem[1]; @@ -70,7 +70,7 @@ struct GTY(()) ssa_operands { struct def_optype_d * GTY ((skip (""))) free_defs; struct use_optype_d * GTY ((skip (""))) free_uses; }; - + #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) @@ -123,9 +123,9 @@ enum ssa_op_iter_type { ssa_op_iter_def }; -/* This structure is used in the operand iterator loops. It contains the +/* 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 + optimization, this structure is scalarized, and any unused fields are optimized away, resulting in little overhead. */ typedef struct ssa_operand_iterator_d @@ -139,7 +139,7 @@ typedef struct ssa_operand_iterator_d gimple phi_stmt; } ssa_op_iter; -/* These flags are used to determine which operands are returned during +/* 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. */ @@ -154,7 +154,7 @@ typedef struct ssa_operand_iterator_d #define SSA_OP_ALL_DEFS (SSA_OP_VIRTUAL_DEFS | SSA_OP_DEF) #define SSA_OP_ALL_OPERANDS (SSA_OP_ALL_USES | SSA_OP_ALL_DEFS) -/* This macro executes a loop over the operands of STMT specified in FLAG, +/* 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) \ @@ -162,16 +162,16 @@ typedef struct ssa_operand_iterator_d !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. +/* 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. +/* 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); \ @@ -204,19 +204,19 @@ typedef struct ssa_operand_iterator_d : 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. */ |