* gcc.c-torture/execute/20000412-1.c: Reduce some more.

[pf3gnuchains/gcc-fork.git] / gcc / cse.c

diff --git a/gcc/cse.c b/gcc/cse.c
index aa26539..967c6f9 100644 (file)
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -7269,6 +7269,10 @@ delete_trivially_dead_insns (insns, nreg)
              && rtx_equal_p (SET_DEST (PATTERN (insn)),
                              SET_SRC (PATTERN (insn))))
            ;
+         else if (GET_CODE (SET_DEST (PATTERN (insn))) == STRICT_LOW_PART
+                  && rtx_equal_p (XEXP (SET_DEST (PATTERN (insn)), 0),
+                                  SET_SRC (PATTERN (insn))))
+           ;
 
 #ifdef HAVE_cc0
          else if (GET_CODE (SET_DEST (PATTERN (insn))) == CC0