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

1 files changed, 8 insertions, 9 deletions

diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c
index 684a57a23b3..ba61c5b04e0 100644
--- a/gcc/tree-predcom.c
+++ b/gcc/tree-predcom.c
@@ -901,7 +901,7 @@ order_drefs (const void *a, const void *b)
 {
   const dref *const da = (const dref *) a;
   const dref *const db = (const dref *) b;
-  int offcmp = double_int_scmp ((*da)->offset, (*db)->offset);
+  int offcmp = (*da)->offset.scmp ((*db)->offset);
 
   if (offcmp != 0)
     return offcmp;
@@ -925,18 +925,18 @@ add_ref_to_chain (chain_p chain, dref ref)
   dref root = get_chain_root (chain);
   double_int dist;
 
-  gcc_assert (double_int_scmp (root->offset, ref->offset) <= 0);
-  dist = double_int_sub (ref->offset, root->offset);
-  if (double_int_ucmp (uhwi_to_double_int (MAX_DISTANCE), dist) <= 0)
+  gcc_assert (root->offset.sle (ref->offset));
+  dist = ref->offset - root->offset;
+  if (double_int::from_uhwi (MAX_DISTANCE).ule (dist))
     {
       free (ref);
       return;
     }
-  gcc_assert (double_int_fits_in_uhwi_p (dist));
+  gcc_assert (dist.fits_uhwi ());
 
   VEC_safe_push (dref, heap, chain->refs, ref);
 
-  ref->distance = double_int_to_uhwi (dist);
+  ref->distance = dist.to_uhwi ();
 
   if (ref->distance >= chain->length)
     {
@@ -1055,7 +1055,7 @@ valid_initializer_p (struct data_reference *ref,
   if (!aff_combination_constant_multiple_p (&diff, &step, &off))
     return false;
 
-  if (!double_int_equal_p (off, uhwi_to_double_int (distance)))
+  if (off != double_int::from_uhwi (distance))
     return false;
 
   return true;
@@ -1198,8 +1198,7 @@ determine_roots_comp (struct loop *loop,
   FOR_EACH_VEC_ELT (dref, comp->refs, i, a)
     {
       if (!chain || DR_IS_WRITE (a->ref)
-	  || double_int_ucmp (uhwi_to_double_int (MAX_DISTANCE),
-			      double_int_sub (a->offset, last_ofs)) <= 0)
+	  || double_int::from_uhwi (MAX_DISTANCE).ule (a->offset - last_ofs))
 	{
 	  if (nontrivial_chain_p (chain))
 	    {