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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/optabs.c3
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 092ae7cc8c1..4c375c0b8c6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-04-15 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * optabs.c (expand_binop): In multi-word add cases, ensure
+ XTARGET is copied to TARGET if they are different.
+
2003-04-15 Olivier Hainque <hainque@act-europe.fr>
* except.c (resolve_fixup_regions): Avoid dereferencing null pointer
diff --git a/gcc/optabs.c b/gcc/optabs.c
index 59f714714e0..f57c81448dd 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -1299,7 +1299,8 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
if (i == GET_MODE_BITSIZE (mode) / (unsigned) BITS_PER_WORD)
{
- if (mov_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing)
+ if (mov_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing
+ || ! rtx_equal_p (target, xtarget))
{
rtx temp = emit_move_insn (target, xtarget);