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-rw-r--r--gcc/rtlanal.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 73d3b08..d15dbe2 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -1865,10 +1865,11 @@ find_regno_fusage (const_rtx insn, enum rtx_code code, unsigned int regno)
}
-/* Add register note with kind KIND and datum DATUM to INSN. */
+/* Allocate a register note with kind KIND and datum DATUM. LIST is
+ stored as the pointer to the next register note. */
-void
-add_reg_note (rtx insn, enum reg_note kind, rtx datum)
+rtx
+alloc_reg_note (enum reg_note kind, rtx datum, rtx list)
{
rtx note;
@@ -1881,16 +1882,24 @@ add_reg_note (rtx insn, enum reg_note kind, rtx datum)
/* These types of register notes use an INSN_LIST rather than an
EXPR_LIST, so that copying is done right and dumps look
better. */
- note = alloc_INSN_LIST (datum, REG_NOTES (insn));
+ note = alloc_INSN_LIST (datum, list);
PUT_REG_NOTE_KIND (note, kind);
break;
default:
- note = alloc_EXPR_LIST (kind, datum, REG_NOTES (insn));
+ note = alloc_EXPR_LIST (kind, datum, list);
break;
}
- REG_NOTES (insn) = note;
+ return note;
+}
+
+/* Add register note with kind KIND and datum DATUM to INSN. */
+
+void
+add_reg_note (rtx insn, enum reg_note kind, rtx datum)
+{
+ REG_NOTES (insn) = alloc_reg_note (kind, datum, REG_NOTES (insn));
}
/* Remove register note NOTE from the REG_NOTES of INSN. */
@@ -5025,4 +5034,3 @@ constant_pool_constant_p (rtx x)
x = avoid_constant_pool_reference (x);
return GET_CODE (x) == CONST_DOUBLE;
}
-