diff options
Diffstat (limited to 'gcc/df.h')
| -rw-r--r-- | gcc/df.h | 27 |
1 files changed, 15 insertions, 12 deletions
@@ -43,17 +43,20 @@ union df_ref_d; a uniform manner. The last four problems can be added or deleted at any time are always defined (though LIVE is always there at -O2 or higher); the others are always there. */ -#define DF_SCAN 0 -#define DF_LR 1 /* Live Registers backward. */ -#define DF_LIVE 2 /* Live Registers & Uninitialized Registers */ -#define DF_RD 3 /* Reaching Defs. */ -#define DF_CHAIN 4 /* Def-Use and/or Use-Def Chains. */ -#define DF_WORD_LR 5 /* Subreg tracking lr. */ -#define DF_NOTE 6 /* REG_DEAD and REG_UNUSED notes. */ -#define DF_MD 7 /* Multiple Definitions. */ -#define DF_MIR 8 /* Must-initialized Registers. */ - -#define DF_LAST_PROBLEM_PLUS1 (DF_MIR + 1) +enum df_problem_id + { + DF_SCAN, + DF_LR, /* Live Registers backward. */ + DF_LIVE, /* Live Registers & Uninitialized Registers */ + DF_RD, /* Reaching Defs. */ + DF_CHAIN, /* Def-Use and/or Use-Def Chains. */ + DF_WORD_LR, /* Subreg tracking lr. */ + DF_NOTE, /* REG_DEAD and REG_UNUSED notes. */ + DF_MD, /* Multiple Definitions. */ + DF_MIR, /* Must-initialized Registers. */ + + DF_LAST_PROBLEM_PLUS1 + }; /* Dataflow direction. */ enum df_flow_dir @@ -251,7 +254,7 @@ typedef void (*df_verify_solution_end) (void); struct df_problem { /* The unique id of the problem. This is used it index into df->defined_problems to make accessing the problem data easy. */ - unsigned int id; + enum df_problem_id id; enum df_flow_dir dir; /* Dataflow direction. */ df_alloc_function alloc_fun; df_reset_function reset_fun; |