Minor reformatting.

[pf3gnuchains/gcc-fork.git] / gcc / sel-sched-ir.c

diff --git a/gcc/sel-sched-ir.c b/gcc/sel-sched-ir.c
index 4878460..dacee0b 100644 (file)
--- a/gcc/sel-sched-ir.c
+++ b/gcc/sel-sched-ir.c
@@ -1745,6 +1745,11 @@ update_target_availability (expr_t to, expr_t from, insn_t split_point)
           else
             EXPR_TARGET_AVAILABLE (to) = -1;
         }
+      else if (EXPR_TARGET_AVAILABLE (from) == 0
+              && EXPR_LHS (from)
+              && REG_P (EXPR_LHS (from))
+              && REGNO (EXPR_LHS (to)) != REGNO (EXPR_LHS (from)))
+       EXPR_TARGET_AVAILABLE (to) = -1;
       else
         EXPR_TARGET_AVAILABLE (to) &= EXPR_TARGET_AVAILABLE (from);
     }