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[pf3gnuchains/gcc-fork.git] / gcc / simplify-rtx.c

diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 606a850..c7cd218 100644 (file)
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -1594,10 +1594,14 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode,
         to CONST_INT since overflow won't be computed properly if wider
         than HOST_BITS_PER_WIDE_INT.  */
 
-      if (CONSTANT_P (op0) && GET_MODE (op0) != VOIDmode
+      if ((GET_CODE (op0) == CONST
+          || GET_CODE (op0) == SYMBOL_REF
+          || GET_CODE (op0) == LABEL_REF)
          && GET_CODE (op1) == CONST_INT)
        return plus_constant (op0, INTVAL (op1));
-      else if (CONSTANT_P (op1) && GET_MODE (op1) != VOIDmode
+      else if ((GET_CODE (op1) == CONST
+               || GET_CODE (op1) == SYMBOL_REF
+               || GET_CODE (op1) == LABEL_REF)
               && GET_CODE (op0) == CONST_INT)
        return plus_constant (op1, INTVAL (op0));
 
@@ -1665,12 +1669,13 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode,
              rtx coeff;
              unsigned HOST_WIDE_INT l;
              HOST_WIDE_INT h;
+             bool speed = optimize_function_for_speed_p (cfun);
 
              add_double (coeff0l, coeff0h, coeff1l, coeff1h, &l, &h);
              coeff = immed_double_const (l, h, mode);
 
              tem = simplify_gen_binary (MULT, mode, lhs, coeff);
-             return rtx_cost (tem, SET) <= rtx_cost (orig, SET)
+             return rtx_cost (tem, SET, speed) <= rtx_cost (orig, SET, speed)
                ? tem : 0;
            }
        }
@@ -1859,12 +1864,13 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode,
              rtx coeff;
              unsigned HOST_WIDE_INT l;
              HOST_WIDE_INT h;
+             bool speed = optimize_function_for_speed_p (cfun);
 
              add_double (coeff0l, coeff0h, negcoeff1l, negcoeff1h, &l, &h);
              coeff = immed_double_const (l, h, mode);
 
              tem = simplify_gen_binary (MULT, mode, lhs, coeff);
-             return rtx_cost (tem, SET) <= rtx_cost (orig, SET)
+             return rtx_cost (tem, SET, speed) <= rtx_cost (orig, SET, speed)
                ? tem : 0;
            }
        }