diff options
Diffstat (limited to 'gcc/reginfo.c')
| -rw-r--r-- | gcc/reginfo.c | 69 |
1 files changed, 8 insertions, 61 deletions
diff --git a/gcc/reginfo.c b/gcc/reginfo.c index 0f11c91a3de..96e9bd9437a 100644 --- a/gcc/reginfo.c +++ b/gcc/reginfo.c @@ -904,6 +904,9 @@ struct reg_pref run. */ static struct reg_pref *reg_pref; +/* Current size of reg_info. */ +static int reg_info_size; + /* Return the reg_class in which pseudo reg number REGNO is best allocated. This function is sometimes called before the info has been computed. When that happens, just return GENERAL_REGS, which is innocuous. */ @@ -937,9 +940,6 @@ reg_cover_class (int regno) -/* Current size of reg_info. */ -static int reg_info_size; - /* Allocate space for reg info. */ static void allocate_reg_info (void) @@ -1040,6 +1040,7 @@ setup_reg_classes (int regno, { if (reg_pref == NULL) return; + gcc_assert (reg_info_size == max_reg_num ()); reg_pref[regno].prefclass = prefclass; reg_pref[regno].altclass = altclass; reg_pref[regno].coverclass = coverclass; @@ -1321,7 +1322,7 @@ find_subregs_of_mode (rtx x) } } -static unsigned int +void init_subregs_of_mode (void) { basic_block bb; @@ -1336,8 +1337,6 @@ init_subregs_of_mode (void) FOR_BB_INSNS (bb, insn) if (INSN_P (insn)) find_subregs_of_mode (PATTERN (insn)); - - return 0; } /* Return 1 if REGNO has had an invalid mode change in CLASS from FROM @@ -1367,74 +1366,22 @@ invalid_mode_change_p (unsigned int regno, return false; } -static unsigned int +void finish_subregs_of_mode (void) { htab_delete (subregs_of_mode); subregs_of_mode = 0; - return 0; } #else -static unsigned int +void init_subregs_of_mode (void) { - return 0; } -static unsigned int +void finish_subregs_of_mode (void) { - return 0; } #endif /* CANNOT_CHANGE_MODE_CLASS */ -static bool -gate_subregs_of_mode_init (void) -{ -#ifdef CANNOT_CHANGE_MODE_CLASS - return true; -#else - return false; -#endif -} - -struct rtl_opt_pass pass_subregs_of_mode_init = -{ - { - RTL_PASS, - "subregs_of_mode_init", /* name */ - gate_subregs_of_mode_init, /* gate */ - init_subregs_of_mode, /* execute */ - NULL, /* sub */ - NULL, /* next */ - 0, /* static_pass_number */ - TV_NONE, /* tv_id */ - 0, /* properties_required */ - 0, /* properties_provided */ - 0, /* properties_destroyed */ - 0, /* todo_flags_start */ - 0 /* todo_flags_finish */ - } -}; - -struct rtl_opt_pass pass_subregs_of_mode_finish = -{ - { - RTL_PASS, - "subregs_of_mode_finish", /* name */ - gate_subregs_of_mode_init, /* gate */ - finish_subregs_of_mode, /* execute */ - NULL, /* sub */ - NULL, /* next */ - 0, /* static_pass_number */ - TV_NONE, /* tv_id */ - 0, /* properties_required */ - 0, /* properties_provided */ - 0, /* properties_destroyed */ - 0, /* todo_flags_start */ - 0 /* todo_flags_finish */ - } -}; - - #include "gt-reginfo.h" |