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* cfg.c (dump_flow_info): Skip register dump if reg_n_info null.

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From-SVN: r71485
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Richard Henderson 2003-09-17 16:45:59 -07:00 committed by Richard Henderson
parent dc5f3d7ca9
commit 7d8405cf15
2 changed files with 44 additions and 39 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2003-09-17 Richard Henderson <rth@redhat.com>
* cfg.c (dump_flow_info): Skip register dump if reg_n_info null.
2003-09-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* configure.in (gcc_cv_ld_hidden): Don't test gnu_ld_flag.

79
gcc/cfg.c
View File

@ -491,48 +491,49 @@ dump_flow_info (FILE *file)
static const char * const reg_class_names[] = REG_CLASS_NAMES;
fprintf (file, "%d registers.\n", max_regno);
for (i = FIRST_PSEUDO_REGISTER; i < max_regno; i++)
if (REG_N_REFS (i))
{
enum reg_class class, altclass;
if (reg_n_info)
for (i = FIRST_PSEUDO_REGISTER; i < max_regno; i++)
if (REG_N_REFS (i))
{
enum reg_class class, altclass;
fprintf (file, "\nRegister %d used %d times across %d insns",
i, REG_N_REFS (i), REG_LIVE_LENGTH (i));
if (REG_BASIC_BLOCK (i) >= 0)
fprintf (file, " in block %d", REG_BASIC_BLOCK (i));
if (REG_N_SETS (i))
fprintf (file, "; set %d time%s", REG_N_SETS (i),
(REG_N_SETS (i) == 1) ? "" : "s");
if (regno_reg_rtx[i] != NULL && REG_USERVAR_P (regno_reg_rtx[i]))
fprintf (file, "; user var");
if (REG_N_DEATHS (i) != 1)
fprintf (file, "; dies in %d places", REG_N_DEATHS (i));
if (REG_N_CALLS_CROSSED (i) == 1)
fprintf (file, "; crosses 1 call");
else if (REG_N_CALLS_CROSSED (i))
fprintf (file, "; crosses %d calls", REG_N_CALLS_CROSSED (i));
if (regno_reg_rtx[i] != NULL
&& PSEUDO_REGNO_BYTES (i) != UNITS_PER_WORD)
fprintf (file, "; %d bytes", PSEUDO_REGNO_BYTES (i));
fprintf (file, "\nRegister %d used %d times across %d insns",
i, REG_N_REFS (i), REG_LIVE_LENGTH (i));
if (REG_BASIC_BLOCK (i) >= 0)
fprintf (file, " in block %d", REG_BASIC_BLOCK (i));
if (REG_N_SETS (i))
fprintf (file, "; set %d time%s", REG_N_SETS (i),
(REG_N_SETS (i) == 1) ? "" : "s");
if (regno_reg_rtx[i] != NULL && REG_USERVAR_P (regno_reg_rtx[i]))
fprintf (file, "; user var");
if (REG_N_DEATHS (i) != 1)
fprintf (file, "; dies in %d places", REG_N_DEATHS (i));
if (REG_N_CALLS_CROSSED (i) == 1)
fprintf (file, "; crosses 1 call");
else if (REG_N_CALLS_CROSSED (i))
fprintf (file, "; crosses %d calls", REG_N_CALLS_CROSSED (i));
if (regno_reg_rtx[i] != NULL
&& PSEUDO_REGNO_BYTES (i) != UNITS_PER_WORD)
fprintf (file, "; %d bytes", PSEUDO_REGNO_BYTES (i));
class = reg_preferred_class (i);
altclass = reg_alternate_class (i);
if (class != GENERAL_REGS || altclass != ALL_REGS)
{
if (altclass == ALL_REGS || class == ALL_REGS)
fprintf (file, "; pref %s", reg_class_names[(int) class]);
else if (altclass == NO_REGS)
fprintf (file, "; %s or none", reg_class_names[(int) class]);
else
fprintf (file, "; pref %s, else %s",
reg_class_names[(int) class],
reg_class_names[(int) altclass]);
}
class = reg_preferred_class (i);
altclass = reg_alternate_class (i);
if (class != GENERAL_REGS || altclass != ALL_REGS)
{
if (altclass == ALL_REGS || class == ALL_REGS)
fprintf (file, "; pref %s", reg_class_names[(int) class]);
else if (altclass == NO_REGS)
fprintf (file, "; %s or none", reg_class_names[(int) class]);
else
fprintf (file, "; pref %s, else %s",
reg_class_names[(int) class],
reg_class_names[(int) altclass]);
}
if (regno_reg_rtx[i] != NULL && REG_POINTER (regno_reg_rtx[i]))
fprintf (file, "; pointer");
fprintf (file, ".\n");
}
if (regno_reg_rtx[i] != NULL && REG_POINTER (regno_reg_rtx[i]))
fprintf (file, "; pointer");
fprintf (file, ".\n");
}
fprintf (file, "\n%d basic blocks, %d edges.\n", n_basic_blocks, n_edges);
FOR_EACH_BB (bb)