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* cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
[pf3gnuchains/gcc-fork.git] / gcc / expr.c
index f5de2ae..50a2035 100644 (file)
@@ -24,7 +24,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "coretypes.h"
 #include "tm.h"
 #include "machmode.h"
-#include "real.h"
 #include "rtl.h"
 #include "tree.h"
 #include "flags.h"
@@ -43,7 +42,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "output.h"
 #include "typeclass.h"
 #include "toplev.h"
-#include "ggc.h"
 #include "langhooks.h"
 #include "intl.h"
 #include "tm_p.h"
@@ -774,18 +772,13 @@ convert_modes (enum machine_mode mode, enum machine_mode oldmode, rtx x, int uns
       && GET_MODE_BITSIZE (mode) == 2 * HOST_BITS_PER_WIDE_INT
       && CONST_INT_P (x) && INTVAL (x) < 0)
     {
-      HOST_WIDE_INT val = INTVAL (x);
+      double_int val = uhwi_to_double_int (INTVAL (x));
 
-      if (oldmode != VOIDmode
-         && HOST_BITS_PER_WIDE_INT > GET_MODE_BITSIZE (oldmode))
-       {
-         int width = GET_MODE_BITSIZE (oldmode);
-
-         /* We need to zero extend VAL.  */
-         val &= ((HOST_WIDE_INT) 1 << width) - 1;
-       }
+      /* We need to zero extend VAL.  */
+      if (oldmode != VOIDmode)
+       val = double_int_zext (val, GET_MODE_BITSIZE (oldmode));
 
-      return immed_double_const (val, (HOST_WIDE_INT) 0, mode);
+      return immed_double_int_const (val, mode);
     }
 
   /* We can do this with a gen_lowpart if both desired and current modes
@@ -4861,9 +4854,8 @@ categorize_ctor_elements_1 (const_tree ctor, HOST_WIDE_INT *p_nz_elts,
 
   FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (ctor), idx, purpose, value)
     {
-      HOST_WIDE_INT mult;
+      HOST_WIDE_INT mult = 1;
 
-      mult = 1;
       if (TREE_CODE (purpose) == RANGE_EXPR)
        {
          tree lo_index = TREE_OPERAND (purpose, 0);
@@ -4925,12 +4917,17 @@ categorize_ctor_elements_1 (const_tree ctor, HOST_WIDE_INT *p_nz_elts,
          break;
 
        default:
-         nz_elts += mult;
-         elt_count += mult;
+         {
+           HOST_WIDE_INT tc = count_type_elements (TREE_TYPE (value), true);
+           if (tc < 1)
+             tc = 1;
+           nz_elts += mult * tc;
+           elt_count += mult * tc;
 
-         if (const_from_elts_p && const_p)
-           const_p = initializer_constant_valid_p (value, TREE_TYPE (value))
-                     != NULL_TREE;
+           if (const_from_elts_p && const_p)
+             const_p = initializer_constant_valid_p (value, TREE_TYPE (value))
+                       != NULL_TREE;
+         }
          break;
        }
     }
@@ -7213,7 +7210,6 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
   optab this_optab;
   rtx subtarget, original_target;
   int ignore;
-  tree subexp0, subexp1;
   bool reduce_bit_field;
   gimple subexp0_def, subexp1_def;
   tree top0, top1;
@@ -7668,13 +7664,7 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
 
       goto binop2;
 
-    case MULT_EXPR:
-      /* If this is a fixed-point operation, then we cannot use the code
-        below because "expand_mult" doesn't support sat/no-sat fixed-point
-         multiplications.   */
-      if (ALL_FIXED_POINT_MODE_P (mode))
-       goto binop;
-
+    case WIDEN_MULT_EXPR:
       /* If first operand is constant, swap them.
         Thus the following special case checks need only
         check the second operand.  */
@@ -7685,96 +7675,35 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
          treeop1 = t1;
        }
 
-      /* Attempt to return something suitable for generating an
-        indexed address, for machines that support that.  */
-
-      if (modifier == EXPAND_SUM && mode == ptr_mode
-         && host_integerp (treeop1, 0))
-       {
-         tree exp1 = treeop1;
-
-         op0 = expand_expr (treeop0, subtarget, VOIDmode,
-                            EXPAND_SUM);
-
-         if (!REG_P (op0))
-           op0 = force_operand (op0, NULL_RTX);
-         if (!REG_P (op0))
-           op0 = copy_to_mode_reg (mode, op0);
-
-         return REDUCE_BIT_FIELD (gen_rtx_MULT (mode, op0,
-                              gen_int_mode (tree_low_cst (exp1, 0),
-                                            TYPE_MODE (TREE_TYPE (exp1)))));
-       }
-
-      if (modifier == EXPAND_STACK_PARM)
-       target = 0;
-
-      /* Check for multiplying things that have been extended
-        from a narrower type.  If this machine supports multiplying
-        in that narrower type with a result in the desired type,
-        do it that way, and avoid the explicit type-conversion.  */
-
-      subexp0 = treeop0;
-      subexp1 = treeop1;
-      subexp0_def = get_def_for_expr (subexp0, NOP_EXPR);
-      subexp1_def = get_def_for_expr (subexp1, NOP_EXPR);
-      top0 = top1 = NULL_TREE;
-
       /* First, check if we have a multiplication of one signed and one
         unsigned operand.  */
-      if (subexp0_def
-         && (top0 = gimple_assign_rhs1 (subexp0_def))
-         && subexp1_def
-         && (top1 = gimple_assign_rhs1 (subexp1_def))
-         && TREE_CODE (type) == INTEGER_TYPE
-         && (TYPE_PRECISION (TREE_TYPE (top0))
-             < TYPE_PRECISION (TREE_TYPE (subexp0)))
-         && (TYPE_PRECISION (TREE_TYPE (top0))
-             == TYPE_PRECISION (TREE_TYPE (top1)))
-         && (TYPE_UNSIGNED (TREE_TYPE (top0))
-             != TYPE_UNSIGNED (TREE_TYPE (top1))))
+      if (TREE_CODE (treeop1) != INTEGER_CST
+         && (TYPE_UNSIGNED (TREE_TYPE (treeop0))
+             != TYPE_UNSIGNED (TREE_TYPE (treeop1))))
        {
-         enum machine_mode innermode
-           = TYPE_MODE (TREE_TYPE (top0));
+         enum machine_mode innermode = TYPE_MODE (TREE_TYPE (treeop0));
          this_optab = usmul_widen_optab;
-         if (mode == GET_MODE_WIDER_MODE (innermode))
+         if (mode == GET_MODE_2XWIDER_MODE (innermode))
            {
              if (optab_handler (this_optab, mode)->insn_code != CODE_FOR_nothing)
                {
-                 if (TYPE_UNSIGNED (TREE_TYPE (top0)))
-                   expand_operands (top0, top1, NULL_RTX, &op0, &op1,
+                 if (TYPE_UNSIGNED (TREE_TYPE (treeop0)))
+                   expand_operands (treeop0, treeop1, subtarget, &op0, &op1,
                                     EXPAND_NORMAL);
                  else
-                   expand_operands (top0, top1, NULL_RTX, &op1, &op0,
+                   expand_operands (treeop0, treeop1, subtarget, &op1, &op0,
                                     EXPAND_NORMAL);
-
                  goto binop3;
                }
            }
        }
-      /* Check for a multiplication with matching signedness.  If
-        valid, TOP0 and TOP1 were set in the previous if
-        condition.  */
-      else if (top0
-         && TREE_CODE (type) == INTEGER_TYPE
-         && (TYPE_PRECISION (TREE_TYPE (top0))
-             < TYPE_PRECISION (TREE_TYPE (subexp0)))
-         && ((TREE_CODE (subexp1) == INTEGER_CST
-              && int_fits_type_p (subexp1, TREE_TYPE (top0))
-              /* Don't use a widening multiply if a shift will do.  */
-              && ((GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (subexp1)))
-                   > HOST_BITS_PER_WIDE_INT)
-                  || exact_log2 (TREE_INT_CST_LOW (subexp1)) < 0))
-             ||
-             (top1
-              && (TYPE_PRECISION (TREE_TYPE (top1))
-                  == TYPE_PRECISION (TREE_TYPE (top0))
-              /* If both operands are extended, they must either both
-                 be zero-extended or both be sign-extended.  */
-              && (TYPE_UNSIGNED (TREE_TYPE (top1))
-                  == TYPE_UNSIGNED (TREE_TYPE (top0)))))))
+      /* Check for a multiplication with matching signedness.  */
+      else if ((TREE_CODE (treeop1) == INTEGER_CST
+               && int_fits_type_p (treeop1, TREE_TYPE (treeop0)))
+              || (TYPE_UNSIGNED (TREE_TYPE (treeop1))
+                  == TYPE_UNSIGNED (TREE_TYPE (treeop0))))
        {
-         tree op0type = TREE_TYPE (top0);
+         tree op0type = TREE_TYPE (treeop0);
          enum machine_mode innermode = TYPE_MODE (op0type);
          bool zextend_p = TYPE_UNSIGNED (op0type);
          optab other_optab = zextend_p ? smul_widen_optab : umul_widen_optab;
@@ -7784,24 +7713,22 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
            {
              if (optab_handler (this_optab, mode)->insn_code != CODE_FOR_nothing)
                {
-                 if (TREE_CODE (subexp1) == INTEGER_CST)
-                   expand_operands (top0, subexp1, NULL_RTX, &op0, &op1,
-                                    EXPAND_NORMAL);
-                 else
-                   expand_operands (top0, top1, NULL_RTX, &op0, &op1,
-                                    EXPAND_NORMAL);
-                 goto binop3;
+                 expand_operands (treeop0, treeop1, NULL_RTX, &op0, &op1,
+                                  EXPAND_NORMAL);
+                 temp = expand_widening_mult (mode, op0, op1, target,
+                                              unsignedp, this_optab);
+                 return REDUCE_BIT_FIELD (temp);
                }
-             else if (optab_handler (other_optab, mode)->insn_code != CODE_FOR_nothing
-                      && innermode == word_mode)
+             if (optab_handler (other_optab, mode)->insn_code != CODE_FOR_nothing
+                 && innermode == word_mode)
                {
                  rtx htem, hipart;
-                 op0 = expand_normal (top0);
-                 if (TREE_CODE (subexp1) == INTEGER_CST)
+                 op0 = expand_normal (treeop0);
+                 if (TREE_CODE (treeop1) == INTEGER_CST)
                    op1 = convert_modes (innermode, mode,
-                                        expand_normal (subexp1), unsignedp);
+                                        expand_normal (treeop1), unsignedp);
                  else
-                   op1 = expand_normal (top1);
+                   op1 = expand_normal (treeop1);
                  temp = expand_binop (mode, other_optab, op0, op1, target,
                                       unsignedp, OPTAB_LIB_WIDEN);
                  hipart = gen_highpart (innermode, temp);
@@ -7814,7 +7741,53 @@ expand_expr_real_2 (sepops ops, rtx target, enum machine_mode tmode,
                }
            }
        }
-      expand_operands (subexp0, subexp1, subtarget, &op0, &op1, EXPAND_NORMAL);
+      treeop0 = fold_build1 (CONVERT_EXPR, type, treeop0);
+      treeop1 = fold_build1 (CONVERT_EXPR, type, treeop1);
+      expand_operands (treeop0, treeop1, subtarget, &op0, &op1, EXPAND_NORMAL);
+      return REDUCE_BIT_FIELD (expand_mult (mode, op0, op1, target, unsignedp));
+
+    case MULT_EXPR:
+      /* If this is a fixed-point operation, then we cannot use the code
+        below because "expand_mult" doesn't support sat/no-sat fixed-point
+         multiplications.   */
+      if (ALL_FIXED_POINT_MODE_P (mode))
+       goto binop;
+
+      /* If first operand is constant, swap them.
+        Thus the following special case checks need only
+        check the second operand.  */
+      if (TREE_CODE (treeop0) == INTEGER_CST)
+       {
+         tree t1 = treeop0;
+         treeop0 = treeop1;
+         treeop1 = t1;
+       }
+
+      /* Attempt to return something suitable for generating an
+        indexed address, for machines that support that.  */
+
+      if (modifier == EXPAND_SUM && mode == ptr_mode
+         && host_integerp (treeop1, 0))
+       {
+         tree exp1 = treeop1;
+
+         op0 = expand_expr (treeop0, subtarget, VOIDmode,
+                            EXPAND_SUM);
+
+         if (!REG_P (op0))
+           op0 = force_operand (op0, NULL_RTX);
+         if (!REG_P (op0))
+           op0 = copy_to_mode_reg (mode, op0);
+
+         return REDUCE_BIT_FIELD (gen_rtx_MULT (mode, op0,
+                              gen_int_mode (tree_low_cst (exp1, 0),
+                                            TYPE_MODE (TREE_TYPE (exp1)))));
+       }
+
+      if (modifier == EXPAND_STACK_PARM)
+       target = 0;
+
+      expand_operands (treeop0, treeop1, subtarget, &op0, &op1, EXPAND_NORMAL);
       return REDUCE_BIT_FIELD (expand_mult (mode, op0, op1, target, unsignedp));
 
     case TRUNC_DIV_EXPR:
@@ -9349,9 +9322,8 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
            op0 = force_reg (GET_MODE (op0), op0);
          op0 = gen_lowpart (mode, op0);
        }
-      /* If both modes are integral, then we can convert from one to the
-        other.  */
-      else if (SCALAR_INT_MODE_P (GET_MODE (op0)) && SCALAR_INT_MODE_P (mode))
+      /* If both types are integral, convert from one mode to the other.  */
+      else if (INTEGRAL_TYPE_P (type) && INTEGRAL_TYPE_P (TREE_TYPE (treeop0)))
        op0 = convert_modes (mode, GET_MODE (op0), op0,
                             TYPE_UNSIGNED (TREE_TYPE (treeop0)));
       /* As a last resort, spill op0 to memory, and reload it in a
@@ -9682,15 +9654,8 @@ reduce_to_bit_field_precision (rtx exp, rtx target, tree type)
     }
   else if (TYPE_UNSIGNED (type))
     {
-      rtx mask;
-      if (prec < HOST_BITS_PER_WIDE_INT)
-       mask = immed_double_const (((unsigned HOST_WIDE_INT) 1 << prec) - 1, 0,
-                                  GET_MODE (exp));
-      else
-       mask = immed_double_const ((unsigned HOST_WIDE_INT) -1,
-                                  ((unsigned HOST_WIDE_INT) 1
-                                   << (prec - HOST_BITS_PER_WIDE_INT)) - 1,
-                                  GET_MODE (exp));
+      rtx mask = immed_double_int_const (double_int_mask (prec),
+                                        GET_MODE (exp));
       return expand_and (GET_MODE (exp), exp, mask, target);
     }
   else
@@ -10276,9 +10241,8 @@ const_vector_from_tree (tree exp)
        RTVEC_ELT (v, i) = CONST_FIXED_FROM_FIXED_VALUE (TREE_FIXED_CST (elt),
                                                         inner);
       else
-       RTVEC_ELT (v, i) = immed_double_const (TREE_INT_CST_LOW (elt),
-                                              TREE_INT_CST_HIGH (elt),
-                                              inner);
+       RTVEC_ELT (v, i) = immed_double_int_const (tree_to_double_int (elt),
+                                                  inner);
     }
 
   /* Initialize remaining elements to 0.  */