diff options
Diffstat (limited to 'gcc/basic-block.h')
| -rw-r--r-- | gcc/basic-block.h | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h index 99df4d8..f0eeba7 100644 --- a/gcc/basic-block.h +++ b/gcc/basic-block.h @@ -102,17 +102,14 @@ extern const struct gcov_ctr_summary *profile_info; struct loop; struct GTY(()) rtl_bb_info { - /* The first and last insns of the block. */ - rtx head_; + /* The first insn of the block is embedded into bb->il.x. */ + /* The last insn of the block. */ rtx end_; /* In CFGlayout mode points to insn notes/jumptables to be placed just before and after the block. */ - rtx header; - rtx footer; - - /* This field is used by the bb-reorder pass. */ - int visited; + rtx header_; + rtx footer_; }; struct GTY(()) gimple_bb_info { @@ -169,7 +166,10 @@ struct GTY((chain_next ("%h.next_bb"), chain_prev ("%h.prev_bb"))) basic_block_d union basic_block_il_dependent { struct gimple_bb_info GTY ((tag ("0"))) gimple; - struct rtl_bb_info * GTY ((tag ("1"))) rtl; + struct { + rtx head_; + struct rtl_bb_info * rtl; + } GTY ((tag ("1"))) x; } GTY ((desc ("((%1.flags & BB_RTL) != 0)"))) il; /* Expected number of executions: calculated in profile.c. */ @@ -260,7 +260,10 @@ enum bb_flags df_set_bb_dirty, but not cleared by df_analyze, so it can be used to test whether a block has been modified prior to a df_analyze call. */ - BB_MODIFIED = 1 << 12 + BB_MODIFIED = 1 << 12, + + /* A general visited flag for passes to use. */ + BB_VISITED = 1 << 13 }; /* Dummy flag for convenience in the hot/cold partitioning code. */ @@ -415,8 +418,10 @@ struct GTY(()) control_flow_graph { /* Stuff for recording basic block info. */ -#define BB_HEAD(B) (B)->il.rtl->head_ -#define BB_END(B) (B)->il.rtl->end_ +#define BB_HEAD(B) (B)->il.x.head_ +#define BB_END(B) (B)->il.x.rtl->end_ +#define BB_HEADER(B) (B)->il.x.rtl->header_ +#define BB_FOOTER(B) (B)->il.x.rtl->footer_ /* Special block numbers [markers] for entry and exit. Neither of them is supposed to hold actual statements. */ |