summaryrefslogtreecommitdiff
path: root/gcc/df-core.c
diff options
context:
space:
mode:
authorsteven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>2006-05-13 23:14:47 +0000
committersteven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>2006-05-13 23:14:47 +0000
commit6151bbc32ccc2435e7618baf720840ee8a721c4a (patch)
tree2d0ccc4c2549df330dcaea8bb71b9a1b06128b22 /gcc/df-core.c
parent8d7daa466d99d6b84b0101efe00426dad7687185 (diff)
downloadgcc-6151bbc32ccc2435e7618baf720840ee8a721c4a.tar.gz
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@113748 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/df-core.c')
-rw-r--r--gcc/df-core.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/gcc/df-core.c b/gcc/df-core.c
index 4c53e8c86f2..0619c200bdc 100644
--- a/gcc/df-core.c
+++ b/gcc/df-core.c
@@ -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;