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* cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i]. 

From-SVN: r51589
This commit is contained in:
Hans-Peter Nilsson 2002-03-30 00:40:53 +00:00 committed by Hans-Peter Nilsson
parent 6e2d670b4f
commit a106c875ba
2 changed files with 8 additions and 3 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2002-03-29 Hans-Peter Nilsson <hp@bitrange.com>
* cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i].
2002-03-29 Richard Henderson <rth@redhat.com>
PR target/5886

7
gcc/cfg.c
View File

@ -472,7 +472,7 @@ dump_flow_info (file)
if (REG_N_SETS (i))
fprintf (file, "; set %d time%s", REG_N_SETS (i),
(REG_N_SETS (i) == 1) ? "" : "s");
if (REG_USERVAR_P (regno_reg_rtx[i]))
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));
@ -480,7 +480,8 @@ dump_flow_info (file)
fprintf (file, "; crosses 1 call");
else if (REG_N_CALLS_CROSSED (i))
fprintf (file, "; crosses %d calls", REG_N_CALLS_CROSSED (i));
if (PSEUDO_REGNO_BYTES (i) != UNITS_PER_WORD)
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);
@ -497,7 +498,7 @@ dump_flow_info (file)
reg_class_names[(int) altclass]);
}
if (REG_POINTER (regno_reg_rtx[i]))
if (regno_reg_rtx[i] != NULL && REG_POINTER (regno_reg_rtx[i]))
fprintf (file, "; pointer");
fprintf (file, ".\n");
}