diff options
Diffstat (limited to 'gcc/df-core.c')
| -rw-r--r-- | gcc/df-core.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/gcc/df-core.c b/gcc/df-core.c index 0ca33037450..6613d2aebc3 100644 --- a/gcc/df-core.c +++ b/gcc/df-core.c @@ -391,7 +391,6 @@ are write-only operations. #include "basic-block.h" #include "sbitmap.h" #include "bitmap.h" -#include "timevar.h" #include "df.h" #include "tree-pass.h" #include "params.h" @@ -403,6 +402,9 @@ static void df_clear_bb_info (struct dataflow *, unsigned int); static void df_set_clean_cfg (void); #endif +/* The obstack on which regsets are allocated. */ +struct bitmap_obstack reg_obstack; + /* An obstack for bitmap not related to specific dataflow problems. This obstack should e.g. be used for bitmaps with a short life time such as temporary bitmaps. */ @@ -1860,6 +1862,40 @@ df_reg_used (rtx insn, rtx reg) Debugging and printing functions. ----------------------------------------------------------------------------*/ +/* Write information about registers and basic blocks into FILE. + This is part of making a debugging dump. */ + +void +dump_regset (regset r, FILE *outf) +{ + unsigned i; + reg_set_iterator rsi; + + if (r == NULL) + { + fputs (" (nil)", outf); + return; + } + + EXECUTE_IF_SET_IN_REG_SET (r, 0, i, rsi) + { + fprintf (outf, " %d", i); + if (i < FIRST_PSEUDO_REGISTER) + fprintf (outf, " [%s]", + reg_names[i]); + } +} + +/* Print a human-readable representation of R on the standard error + stream. This function is designed to be used from within the + debugger. */ +extern void debug_regset (regset); +DEBUG_FUNCTION void +debug_regset (regset r) +{ + dump_regset (r, stderr); + putc ('\n', stderr); +} /* Write information about registers and basic blocks into FILE. This is part of making a debugging dump. */ |