* gcc.target/i386/sse2-mmx.c (unsigned_add3): Use _mm_setzero_si64

[pf3gnuchains/gcc-fork.git] / gcc / tree-vect-transform.c

diff --git a/gcc/tree-vect-transform.c b/gcc/tree-vect-transform.c
index 6fe1d63..a35e963 100644 (file)
--- a/gcc/tree-vect-transform.c
+++ b/gcc/tree-vect-transform.c
@@ -1,5 +1,5 @@
 /* Transformation Utilities for Loop Vectorization.
-   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
    Contributed by Dorit Naishlos <dorit@il.ibm.com>
 
 This file is part of GCC.
@@ -202,7 +202,8 @@ vect_estimate_min_profitable_iters (loop_vec_info loop_vinfo)
          stmt_vec_info stmt_info = vinfo_for_stmt (stmt);
          /* Skip stmts that are not vectorized inside the loop.  */
          if (!STMT_VINFO_RELEVANT_P (stmt_info)
-             && STMT_VINFO_DEF_TYPE (stmt_info) != vect_reduction_def)
+             && (!STMT_VINFO_LIVE_P (stmt_info)
+                 || STMT_VINFO_DEF_TYPE (stmt_info) != vect_reduction_def))
            continue;
          scalar_single_iter_cost += cost_for_stmt (stmt) * factor;
          vec_inside_cost += STMT_VINFO_INSIDE_OF_LOOP_COST (stmt_info) * factor;
@@ -2110,11 +2111,7 @@ vect_finish_stmt_generation (tree stmt, tree vec_stmt,
   /* Make sure bsi points to the stmt that is being vectorized.  */
   gcc_assert (stmt == bsi_stmt (*bsi));
 
-#ifdef USE_MAPPED_LOCATION
   SET_EXPR_LOCATION (vec_stmt, EXPR_LOCATION (stmt));
-#else
-  SET_EXPR_LOCUS (vec_stmt, EXPR_LOCUS (stmt));
-#endif
 }
 
 
@@ -2520,7 +2517,6 @@ vect_create_epilog_for_reduction (tree vect_def, tree stmt,
          vec_size_in_bits = tree_low_cst (TYPE_SIZE (vectype), 1);
          rhs = build3 (BIT_FIELD_REF, scalar_type, vec_temp, bitsize,
                         bitsize_zero_node);
-         BIT_FIELD_REF_UNSIGNED (rhs) = TYPE_UNSIGNED (scalar_type);
          epilog_stmt = build_gimple_modify_stmt (new_scalar_dest, rhs);
          new_temp = make_ssa_name (new_scalar_dest, epilog_stmt);
          GIMPLE_STMT_OPERAND (epilog_stmt, 0) = new_temp;
@@ -2535,7 +2531,6 @@ vect_create_epilog_for_reduction (tree vect_def, tree stmt,
              tree rhs = build3 (BIT_FIELD_REF, scalar_type, vec_temp, bitsize,
                                 bitpos);
                
-             BIT_FIELD_REF_UNSIGNED (rhs) = TYPE_UNSIGNED (scalar_type);
              epilog_stmt = build_gimple_modify_stmt (new_scalar_dest, rhs);
              new_name = make_ssa_name (new_scalar_dest, epilog_stmt);
              GIMPLE_STMT_OPERAND (epilog_stmt, 0) = new_name;
@@ -2571,7 +2566,6 @@ vect_create_epilog_for_reduction (tree vect_def, tree stmt,
        bitpos = bitsize_zero_node;
 
       rhs = build3 (BIT_FIELD_REF, scalar_type, new_temp, bitsize, bitpos);
-      BIT_FIELD_REF_UNSIGNED (rhs) = TYPE_UNSIGNED (scalar_type);
       epilog_stmt = build_gimple_modify_stmt (new_scalar_dest, rhs);
       new_temp = make_ssa_name (new_scalar_dest, epilog_stmt);
       GIMPLE_STMT_OPERAND (epilog_stmt, 0) = new_temp; 
@@ -5880,8 +5874,6 @@ vectorizable_load (tree stmt, block_stmt_iterator *bsi, tree *vec_stmt,
                  bitpos = bitsize_zero_node;
                  vec_inv = build3 (BIT_FIELD_REF, scalar_type, new_temp, 
                                                            bitsize, bitpos);
-                 BIT_FIELD_REF_UNSIGNED (vec_inv) = 
-                                                TYPE_UNSIGNED (scalar_type);
                  vec_dest = 
                        vect_create_destination_var (scalar_dest, NULL_TREE);
                  new_stmt = build_gimple_modify_stmt (vec_dest, vec_inv);