(cse_process_notes): Handle SUBREG like ZERO_EXTEND.

From-SVN: r11864

diff --git a/gcc/cse.c b/gcc/cse.c
index 80e69c0bd1d315bbf2151ce104166f4173673f41..67b75ddefcfcc6b195757e7978bc77452aa7a7ec 100644 (file)
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -7697,6 +7697,7 @@ cse_process_notes (x, object)
 
     case SIGN_EXTEND:
     case ZERO_EXTEND:
+    case SUBREG:
       {
        rtx new = cse_process_notes (XEXP (x, 0), object);
        /* We don't substitute VOIDmode constants into these rtx,