df-core.c (df_clear_bb_info): New function.

	* df-core.c (df_clear_bb_info): New function.
	(df_set_blocks): bb_info is always allocated.
	(df_get_bb_info): Use block_info_elt_size.
	(df_set_bb_info): Likewise.
	(df_compact_blocks): Update for new block_info.
	(grow_bb_info): New function.
	* df-problems.c (df_grow_bb_info): Move to df-core.c
	(df_rd_set_bb_info): Remove.
	(df_rd_free_bb_info): Do not free block pool.
	(df_rd_alloc): Do not create pool, use check for
	obstack presence instead of NULL pointer for new blocks.
	(df_rd_free): DO not free alloc pool; clear block_info.
	(problem_RD): Add size of block info structure.
	(df_lr_set_bb_info): Remove.
	(df_lr_free_bb_info): Do not free block pool.
	(df_lr_alloc): Do not create pool, use check for
	obstack presence instead of NULL pointer for new blocks.
	(df_lr_free): DO not free alloc pool; clear block_info.
	(problem_LR): Add size of block info structure.
	(df_live_set_bb_info): Remove.
	(df_live_free_bb_info): Do not free block pool.
	(df_live_alloc): Do not create pool, use check for
	obstack presence instead of NULL pointer for new blocks.
	(df_live_free): DO not free alloc pool; clear block_info.
	(problem_LIVE): Add size of block info structure.
	(problem_CHAIN): Add size of block info structure.
	(df_byte_lr_set_bb_info): Remove.
	(df_byte_lr_free_bb_info): Do not free block pool.
	(df_byte_lr_alloc): Do not create pool, use check for
	obstack presence instead of NULL pointer for new blocks.
	(df_byte_lr_free): DO not free alloc pool; clear block_info.
	(problem_BYTE_LR): Add size of block info structure.
	(problem_NOTE): Add size of block info structure.
	(df_byte_MD_set_bb_info): Remove.
	(df_byte_MD_free_bb_info): Do not free block pool.
	(df_byte_MD_alloc): Do not create pool, use check for
	obstack presence instead of NULL pointer for new blocks.
	(df_byte_MD_free): DO not free alloc pool; clear block_info.
	(problem_BD): Add size of block info structure.
	* df-scan.c (df_scan_free_internal): Free block pool.
	(df_scan_set_bb_info): Remove.
	(df_scan_free_bb_info): Check for artificial_defs instead
	of bb_info being non-NULL.
	(df_scan_alloc): DO not create df_scan_block pool.
	(problem_SCAN): Set size of block info.
	(df_bb_refs_record): Do not allocate bb_info.
	* df.h (df_problem): Add block_info_elt_size.
	(struct dataflow): Change block_info to void *.
	(df_scan_get_bb_info, df_rd_get_bb_info, df_lr_get_bb_info,
	df_md_get_bb_info, df_live_get_bb_info, df_byte_lr_get_bb_info): Return
	in-line structures.

From-SVN: r160660

1 files changed, 8 insertions, 7 deletions

diff --git a/gcc/df.h b/gcc/df.h
index 98bf084..060b52f 100644
--- a/gcc/df.h
+++ b/gcc/df.h
@@ -277,6 +277,7 @@ struct df_problem {
   df_verify_solution_start verify_start_fun;
   df_verify_solution_end verify_end_fun;
   struct df_problem *dependent_problem;
+  unsigned int block_info_elt_size;
 
   /* The timevar id associated with this pass.  */
   timevar_id_t tv_id;
@@ -294,7 +295,7 @@ struct dataflow
 
   /* Array indexed by bb->index, that contains basic block problem and
      solution specific information.  */
-  void **block_info;
+  void *block_info;
   unsigned int block_info_size;
 
   /* The pool to allocate the block_info from. */
@@ -1037,7 +1038,7 @@ static inline struct df_scan_bb_info *
 df_scan_get_bb_info (unsigned int index)
 {
   if (index < df_scan->block_info_size)
-    return (struct df_scan_bb_info *) df_scan->block_info[index];
+    return &((struct df_scan_bb_info *) df_scan->block_info)[index];
   else
     return NULL;
 }
@@ -1046,7 +1047,7 @@ static inline struct df_rd_bb_info *
 df_rd_get_bb_info (unsigned int index)
 {
   if (index < df_rd->block_info_size)
-    return (struct df_rd_bb_info *) df_rd->block_info[index];
+    return &((struct df_rd_bb_info *) df_rd->block_info)[index];
   else
     return NULL;
 }
@@ -1055,7 +1056,7 @@ static inline struct df_lr_bb_info *
 df_lr_get_bb_info (unsigned int index)
 {
   if (index < df_lr->block_info_size)
-    return (struct df_lr_bb_info *) df_lr->block_info[index];
+    return &((struct df_lr_bb_info *) df_lr->block_info)[index];
   else
     return NULL;
 }
@@ -1064,7 +1065,7 @@ static inline struct df_md_bb_info *
 df_md_get_bb_info (unsigned int index)
 {
   if (index < df_md->block_info_size)
-    return (struct df_md_bb_info *) df_md->block_info[index];
+    return &((struct df_md_bb_info *) df_md->block_info)[index];
   else
     return NULL;
 }
@@ -1073,7 +1074,7 @@ static inline struct df_live_bb_info *
 df_live_get_bb_info (unsigned int index)
 {
   if (index < df_live->block_info_size)
-    return (struct df_live_bb_info *) df_live->block_info[index];
+    return &((struct df_live_bb_info *) df_live->block_info)[index];
   else
     return NULL;
 }
@@ -1082,7 +1083,7 @@ static inline struct df_byte_lr_bb_info *
 df_byte_lr_get_bb_info (unsigned int index)
 {
   if (index < df_byte_lr->block_info_size)
-    return (struct df_byte_lr_bb_info *) df_byte_lr->block_info[index];
+    return &((struct df_byte_lr_bb_info *) df_byte_lr->block_info)[index];
   else
     return NULL;
 }