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| author | Steven Bosscher <stevenb.gcc@gmail.com> | 2006-05-13 23:14:47 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2006-05-13 23:14:47 +0000 |
| commit | a1b53177b75b2409a8b7d3324b61d91b1b1199c3 (patch) | |
| tree | 2d0ccc4c2549df330dcaea8bb71b9a1b06128b22 /gcc/df-core.c | |
| parent | 628cacef2409f1aae7d75090cbd851f5dd14a80f (diff) | |
| download | gcc-a1b53177b75b2409a8b7d3324b61d91b1b1199c3.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-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
Diffstat (limited to 'gcc/df-core.c')
| -rw-r--r-- | gcc/df-core.c | 17 |
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; |