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df-core.c (df_bb_regno_last_use_find): Do not look for dataflow information attached to non-INSNs such as NOTEs. 

* df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
	information attached to non-INSNs such as NOTEs.
	(df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.

From-SVN: r113748
This commit is contained in:
Steven Bosscher 2006-05-13 23:14:47 +00:00 committed by Steven Bosscher
parent 628cacef24
commit a1b53177b7
2 changed files with 20 additions and 3 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
* df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
information attached to non-INSNs such as NOTEs.
(df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for

17
gcc/df-core.c
View File

@ -915,10 +915,14 @@ df_bb_regno_last_use_find (struct df *df, basic_block bb, unsigned int regno)
{
rtx insn;
struct df_ref *use;
unsigned int uid;
FOR_BB_INSNS_REVERSE (bb, insn)
{
unsigned int uid = INSN_UID (insn);
if (!INSN_P (insn))
continue;
uid = INSN_UID (insn);
for (use = DF_INSN_UID_GET (df, uid)->uses; use; use = use->next_ref)
if (DF_REF_REGNO (use) == regno)
return use;
@ -934,10 +938,14 @@ df_bb_regno_first_def_find (struct df *df, basic_block bb, unsigned int regno)
{
rtx insn;
struct df_ref *def;
unsigned int uid;
FOR_BB_INSNS (bb, insn)
{
unsigned int uid = INSN_UID (insn);
if (!INSN_P (insn))
continue;
uid = INSN_UID (insn);
for (def = DF_INSN_UID_GET (df, uid)->defs; def; def = def->next_ref)
if (DF_REF_REGNO (def) == regno)
return def;
@ -953,11 +961,14 @@ df_bb_regno_last_def_find (struct df *df, basic_block bb, unsigned int regno)
{
rtx insn;
struct df_ref *def;
unsigned int uid;
FOR_BB_INSNS_REVERSE (bb, insn)
{
unsigned int uid = INSN_UID (insn);
if (!INSN_P (insn))
continue;
uid = INSN_UID (insn);
for (def = DF_INSN_UID_GET (df, uid)->defs; def; def = def->next_ref)
if (DF_REF_REGNO (def) == regno)
return def;