(convert_move): Make copy of operands for REG_EQUAL note to avoid sharing RTL if...

(convert_move): Make copy of operands for REG_EQUAL note to avoid
sharing RTL if called later than RTL generation, though probably not
called after RTL generation.

From-SVN: r4339

diff --git a/gcc/expr.c b/gcc/expr.c
index 4b317cb446c591f3a330c3bcb5e1fccc9b398eff..546555c5e7fa518d084d4b3367de59a5960b9948 100644 (file)
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -862,7 +862,7 @@ convert_move (to, from, unsignedp)
       end_sequence ();
 
       emit_no_conflict_block (insns, to, from, NULL_RTX,
-                             gen_rtx (equiv_code, to_mode, from));
+                             gen_rtx (equiv_code, to_mode, copy_rtx (from)));
       return;
     }