From 27bcd47cfab04b1b1e6d2712e34b9b289c7a2dd7 Mon Sep 17 00:00:00 2001
From: Lawrence Crowl <crowl@google.com>
Date: Fri, 7 Sep 2012 00:06:35 +0000
Subject: Modify gcc/*.[hc] double_int call sites to use the new interface.

This change entailed adding a few new methods to double_int.

The change results in a 0.163% time improvement with a 70% confidence.

Tested on x86_64.


Index: gcc/ChangeLog

2012-09-06  Lawrence Crowl  <crowl@google.com>

	* double-int.h (double_int::operator &=): New.
	(double_int::operator ^=): New.
	(double_int::operator |=): New.
	(double_int::mul_with_sign): Modify overflow parameter to bool*.
	(double_int::add_with_sign): New.
	(double_int::ule): New.
	(double_int::sle): New.
	(binary double_int::operator *): Remove parameter name.
	(binary double_int::operator +): Likewise.
	(binary double_int::operator -): Likewise.
	(binary double_int::operator &): Likewise.
	(double_int::operator |): Likewise.
	(double_int::operator ^): Likewise.
	(double_int::and_not): Likewise.
	(double_int::from_shwi): Tidy formatting.
	(double_int::from_uhwi): Likewise.
	(double_int::from_uhwi): Likewise.
	* double-int.c (double_int::mul_with_sign): Modify overflow parameter
	to bool*.
	(double_int::add_with_sign): New.
	(double_int::ule): New.
	(double_int::sle): New.
	* builtins.c: Modify to use the new double_int interface.
	* cgraph.c: Likewise.
	* combine.c: Likewise.
	* dwarf2out.c: Likewise.
	* emit-rtl.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* fixed-value.c: Likewise.
	* fold-const.c: Likewise.
	* gimple-fold.c: Likewise.
	* gimple-ssa-strength-reduction.c: Likewise.
	* gimplify-rtx.c: Likewise.
	* ipa-prop.c: Likewise.
	* loop-iv.c: Likewise.
	* optabs.c: Likewise.
	* stor-layout.c: Likewise.
	* tree-affine.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-dfa.c: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-object-size.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-sccvn: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-vect-loop-manip.c: Likewise.
	* tree-vrp.c: Likewise.
	* tree.h: Likewise.
	* tree.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r191047
---
 gcc/tree-ssa-forwprop.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

(limited to 'gcc/tree-ssa-forwprop.c')

diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index 532b9c5..3f5b2f9 100644
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -813,11 +813,10 @@ forward_propagate_addr_expr_1 (tree name, tree def_rhs,
 	{
 	  double_int off = mem_ref_offset (lhs);
 	  tree new_ptr;
-	  off = double_int_add (off,
-				shwi_to_double_int (def_rhs_offset));
+	  off += double_int::from_shwi (def_rhs_offset);
 	  if (TREE_CODE (def_rhs_base) == MEM_REF)
 	    {
-	      off = double_int_add (off, mem_ref_offset (def_rhs_base));
+	      off += mem_ref_offset (def_rhs_base);
 	      new_ptr = TREE_OPERAND (def_rhs_base, 0);
 	    }
 	  else
@@ -898,11 +897,10 @@ forward_propagate_addr_expr_1 (tree name, tree def_rhs,
 	{
 	  double_int off = mem_ref_offset (rhs);
 	  tree new_ptr;
-	  off = double_int_add (off,
-				shwi_to_double_int (def_rhs_offset));
+	  off += double_int::from_shwi (def_rhs_offset);
 	  if (TREE_CODE (def_rhs_base) == MEM_REF)
 	    {
-	      off = double_int_add (off, mem_ref_offset (def_rhs_base));
+	      off += mem_ref_offset (def_rhs_base);
 	      new_ptr = TREE_OPERAND (def_rhs_base, 0);
 	    }
 	  else
@@ -2373,8 +2371,7 @@ associate_pointerplus (gimple_stmt_iterator *gsi)
   if (gimple_assign_rhs1 (def_stmt) != ptr)
     return false;
 
-  algn = double_int_to_tree (TREE_TYPE (ptr),
-			     double_int_not (tree_to_double_int (algn)));
+  algn = double_int_to_tree (TREE_TYPE (ptr), ~tree_to_double_int (algn));
   gimple_assign_set_rhs_with_ops (gsi, BIT_AND_EXPR, ptr, algn);
   fold_stmt_inplace (gsi);
   update_stmt (stmt);
@@ -2537,7 +2534,7 @@ combine_conversions (gimple_stmt_iterator *gsi)
 	  tem = fold_build2 (BIT_AND_EXPR, inside_type,
 			     defop0,
 			     double_int_to_tree
-			       (inside_type, double_int_mask (inter_prec)));
+			       (inside_type, double_int::mask (inter_prec)));
 	  if (!useless_type_conversion_p (type, inside_type))
 	    {
 	      tem = force_gimple_operand_gsi (gsi, tem, true, NULL_TREE, true,
-- 
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