diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cfg.c | 7 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b4d452dba74..6f38ddb3170 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/cfg.c b/gcc/cfg.c index 9204505d14a..0a718679a31 100644 --- a/gcc/cfg.c +++ b/gcc/cfg.c @@ -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"); } |