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| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2002-05-16 10:34:53 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-05-16 10:34:53 -0700 |
| commit | 355e4ec44580fbe7c605e726afee6e2eba03f905 (patch) | |
| tree | 47d672ee2344eb156d43b4e6fc935c02ed904ce7 /gcc/basic-block.h | |
| parent | 5a566bed2b7e0133247fa9fb3282116a8405dd3f (diff) | |
| download | gcc-355e4ec44580fbe7c605e726afee6e2eba03f905.zip gcc-355e4ec44580fbe7c605e726afee6e2eba03f905.tar.gz gcc-355e4ec44580fbe7c605e726afee6e2eba03f905.tar.bz2 | |
Basic block renumbering removal.
From-SVN: r53522
Diffstat (limited to 'gcc/basic-block.h')
| -rw-r--r-- | gcc/basic-block.h | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h index 5615b14..75d97cb 100644 --- a/gcc/basic-block.h +++ b/gcc/basic-block.h @@ -203,8 +203,11 @@ typedef struct basic_block_def { /* Auxiliary info specific to a pass. */ void *aux; - /* The index of this block. */ - int index; + /* The index of a block. */ + int sindex; + + /* Previous and next blocks in the chain. */ + struct basic_block_def *prev_bb, *next_bb; /* The loop depth of this block. */ int loop_depth; @@ -228,7 +231,11 @@ typedef struct basic_block_def { /* Number of basic blocks in the current function. */ -extern int n_basic_blocks; +extern int num_basic_blocks; + +/* First free basic block number. */ + +extern int last_basic_block; /* Number of edges in the current function. */ @@ -240,6 +247,16 @@ extern varray_type basic_block_info; #define BASIC_BLOCK(N) (VARRAY_BB (basic_block_info, (N))) +/* For iterating over basic blocks. */ +#define FOR_BB_BETWEEN(BB, FROM, TO, DIR) \ + for (BB = FROM; BB != TO; BB = BB->DIR) + +#define FOR_ALL_BB(BB) \ + FOR_BB_BETWEEN (BB, ENTRY_BLOCK_PTR->next_bb, EXIT_BLOCK_PTR, next_bb) + +#define FOR_ALL_BB_REVERSE(BB) \ + FOR_BB_BETWEEN (BB, EXIT_BLOCK_PTR->prev_bb, ENTRY_BLOCK_PTR, prev_bb) + /* What registers are live at the setjmp call. */ extern regset regs_live_at_setjmp; @@ -284,7 +301,7 @@ extern struct basic_block_def entry_exit_blocks[2]; extern varray_type basic_block_for_insn; #define BLOCK_FOR_INSN(INSN) VARRAY_BB (basic_block_for_insn, INSN_UID (INSN)) -#define BLOCK_NUM(INSN) (BLOCK_FOR_INSN (INSN)->index + 0) +#define BLOCK_NUM(INSN) (BLOCK_FOR_INSN (INSN)->sindex + 0) extern void compute_bb_for_insn PARAMS ((int)); extern void free_bb_for_insn PARAMS ((void)); @@ -314,8 +331,8 @@ extern void remove_edge PARAMS ((edge)); extern void redirect_edge_succ PARAMS ((edge, basic_block)); extern edge redirect_edge_succ_nodup PARAMS ((edge, basic_block)); extern void redirect_edge_pred PARAMS ((edge, basic_block)); -extern basic_block create_basic_block_structure PARAMS ((int, rtx, rtx, rtx)); -extern basic_block create_basic_block PARAMS ((int, rtx, rtx)); +extern basic_block create_basic_block_structure PARAMS ((int, rtx, rtx, rtx, basic_block)); +extern basic_block create_basic_block PARAMS ((rtx, rtx, basic_block)); extern int flow_delete_block PARAMS ((basic_block)); extern int flow_delete_block_noexpunge PARAMS ((basic_block)); extern void clear_bb_flags PARAMS ((void)); @@ -639,12 +656,15 @@ extern void reorder_basic_blocks PARAMS ((void)); extern void dump_bb PARAMS ((basic_block, FILE *)); extern void debug_bb PARAMS ((basic_block)); extern void debug_bb_n PARAMS ((int)); +extern basic_block debug_num2bb PARAMS ((int)); extern void dump_regset PARAMS ((regset, FILE *)); extern void debug_regset PARAMS ((regset)); extern void allocate_reg_life_data PARAMS ((void)); extern void allocate_bb_life_data PARAMS ((void)); extern void expunge_block PARAMS ((basic_block)); -extern void expunge_block_nocompact PARAMS ((basic_block)); +extern void link_block PARAMS ((basic_block, basic_block)); +extern void unlink_block PARAMS ((basic_block)); +extern void compact_blocks PARAMS ((void)); extern basic_block alloc_block PARAMS ((void)); extern void find_unreachable_blocks PARAMS ((void)); extern int delete_noop_moves PARAMS ((rtx)); |