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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/postreload.c3
2 files changed, 6 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 015ccfb..5af380ad 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ PR rtl-optimization/57439
+ * postreload.c (move2add_use_add2_insn): Use gen_lowpart_common.
+
2013-05-28 Easwaran Raman <eraman@google.com>
PR tree-optimization/57337
diff --git a/gcc/postreload.c b/gcc/postreload.c
index 3d75eaf..558ab8b 100644
--- a/gcc/postreload.c
+++ b/gcc/postreload.c
@@ -1794,8 +1794,7 @@ move2add_use_add2_insn (rtx reg, rtx sym, rtx off, rtx insn)
&& ((reg_offset[regno] & ~GET_MODE_MASK (narrow_mode))
== (INTVAL (off) & ~GET_MODE_MASK (narrow_mode))))
{
- rtx narrow_reg = gen_rtx_REG (narrow_mode,
- REGNO (reg));
+ rtx narrow_reg = gen_lowpart_common (narrow_mode, reg);
rtx narrow_src = gen_int_mode (INTVAL (off),
narrow_mode);
rtx new_set