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authorSteven Bosscher <steven@gcc.gnu.org>2007-02-11 19:53:11 +0000
committerSteven Bosscher <steven@gcc.gnu.org>2007-02-11 19:53:11 +0000
commita31830a7cab48698868c117ba9100ec31069a91b (patch)
treeb8e43a1106916133f6889b90922be4c1b0c3b737 /gcc/fwprop.c
parent4c38b6d9425a007d8e27511703f9660c48962e6e (diff)
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fwprop.c (try_fwprop_subst): Use set_unique_reg_note to add the REG_EQ* note.
* fwprop.c (try_fwprop_subst): Use set_unique_reg_note to add the REG_EQ* note. * see.c (see_merge_one_use_extension): Likewise. * local-alloc.c (update_equiv_regs): Likewise. Also don't turn REG_EQUAL notes into REG_EQUIV notes if the target register may have more than one set. * function.c (assign_parm_setup_reg): Use set_unique_reg_note. * gcse.c (try_replace_reg): Likewise. * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note. * calls.c (fixup_tail_calls): Likewise. Abort if there is more than one REG_EQUIV note. * reload1.c (gen_reload): Use set_unique_reg_note. From-SVN: r121821
Diffstat (limited to 'gcc/fwprop.c')
-rw-r--r--gcc/fwprop.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/fwprop.c b/gcc/fwprop.c
index 46e1a55..1ab3e52 100644
--- a/gcc/fwprop.c
+++ b/gcc/fwprop.c
@@ -691,9 +691,10 @@ try_fwprop_subst (struct df_ref *use, rtx *loc, rtx new, rtx def_insn, bool set_
if (dump_file)
fprintf (dump_file, " Setting REG_EQUAL note\n");
- REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_EQUAL, copy_rtx (new),
- REG_NOTES (insn));
+ set_unique_reg_note (insn, REG_EQUAL, copy_rtx (new));
+ /* ??? Is this still necessary if we add the note through
+ set_unique_reg_note? */
if (!CONSTANT_P (new))
update_df (insn, loc, DF_INSN_USES (df, def_insn),
type, DF_REF_IN_NOTE);