* config/cris/cris.c (cris_notice_update_cc): Check first

[pf3gnuchains/gcc-fork.git] / gcc / config / cris / cris.c

diff --git a/gcc/config/cris/cris.c b/gcc/config/cris/cris.c
index 6ea1fc1..e5b634f 100644 (file)
--- a/gcc/config/cris/cris.c
+++ b/gcc/config/cris/cris.c
@@ -1953,17 +1953,34 @@ cris_notice_update_cc (exp, insn)
                {
                  /* For "move.S rz,[rx=ry+o]" and "clear.S [rx=ry+o]",
                     say flags are not changed, except for overlap.  */
-                 if ((cc_status.value1
-                      && cris_reg_overlap_mentioned_p (XEXP
-                                                       (XVECEXP
-                                                        (exp, 0, 0), 0),
-                                                       cc_status.value1))
-                     || (cc_status.value2
-                         && cris_reg_overlap_mentioned_p (XEXP
-                                                          (XVECEXP
-                                                           (exp, 0, 1), 0),
-                                                          cc_status.value2)))
-                   CC_STATUS_INIT;
+                 if (cc_status.value1
+                     && cris_reg_overlap_mentioned_p (XEXP
+                                                      (XVECEXP
+                                                       (exp, 0, 0), 0),
+                                                      cc_status.value1))
+                   cc_status.value1 = 0;
+
+                 if (cc_status.value1
+                     && cris_reg_overlap_mentioned_p (XEXP
+                                                      (XVECEXP
+                                                       (exp, 0, 1), 0),
+                                                      cc_status.value1))
+                   cc_status.value1 = 0;
+
+                 if (cc_status.value2
+                     && cris_reg_overlap_mentioned_p (XEXP
+                                                      (XVECEXP
+                                                       (exp, 0, 0), 0),
+                                                      cc_status.value2))
+                   cc_status.value2 = 0;
+
+                 if (cc_status.value2
+                     && cris_reg_overlap_mentioned_p (XEXP
+                                                      (XVECEXP
+                                                       (exp, 0, 1), 0),
+                                                      cc_status.value2))
+                   cc_status.value2 = 0;
+
                  return;
                }
            }