diff options
Diffstat (limited to 'gcc/df.h')
| -rw-r--r-- | gcc/df.h | 24 |
1 files changed, 13 insertions, 11 deletions
@@ -1,6 +1,6 @@ /* Form lists of pseudo register references for autoinc optimization for GNU compiler. This is part of flow optimization. - Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008 + Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. Originally contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz, mhayes@redhat.com) @@ -535,7 +535,6 @@ struct df struct dataflow *problems_in_order[DF_LAST_PROBLEM_PLUS1]; struct dataflow *problems_by_index[DF_LAST_PROBLEM_PLUS1]; - int num_problems_defined; /* If not NULL, this subset of blocks of the program to be considered for analysis. At certain times, this will contain all @@ -543,14 +542,6 @@ struct df of if we are analyzing a subset. See analyze_subset. */ bitmap blocks_to_analyze; - /* If this is true, then only a subset of the blocks of the program - is considered to compute the solutions of dataflow problems. */ - bool analyze_subset; - - /* True if someone added or deleted something from regs_ever_live so - that the entry and exit blocks need be reprocessed. */ - bool redo_entry_and_exit; - /* The following information is really the problem data for the scanning instance but it is used too often by the other problems to keep getting it from there. */ @@ -568,6 +559,9 @@ struct df struct df_insn_info **insns; /* Insn table, indexed by insn UID. */ unsigned int insns_size; /* Size of insn table. */ + + int num_problems_defined; + bitmap hardware_regs_used; /* The set of hardware registers used. */ /* The set of hard regs that are in the artificial uses at the end of a regular basic block. */ @@ -609,7 +603,15 @@ struct df unsigned int ref_order; /* Problem specific control information. */ - enum df_changeable_flags changeable_flags; + ENUM_BITFIELD (df_changeable_flags) changeable_flags : 8; + + /* If this is true, then only a subset of the blocks of the program + is considered to compute the solutions of dataflow problems. */ + bool analyze_subset; + + /* True if someone added or deleted something from regs_ever_live so + that the entry and exit blocks need be reprocessed. */ + bool redo_entry_and_exit; }; #define DF_SCAN_BB_INFO(BB) (df_scan_get_bb_info((BB)->index)) |