From a1b53177b75b2409a8b7d3324b61d91b1b1199c3 Mon Sep 17 00:00:00 2001 From: Steven Bosscher Date: Sat, 13 May 2006 23:14:47 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 6 ++++++ gcc/df-core.c | 17 ++++++++++++++--- 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e8f8d0763213..e5c70501d1b7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-05-13 Steven Bosscher + + * 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 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for diff --git a/gcc/df-core.c b/gcc/df-core.c index 4c53e8c86f26..0619c200bdc3 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;