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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@191047 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 3 insertions, 5 deletions

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index e64d4f75a9b..9e217b5f0a4 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -1600,11 +1600,9 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
 		&& TREE_CODE (op[2]) == INTEGER_CST)
 	      {
 		double_int off = tree_to_double_int (op[0]);
-		off = double_int_add (off,
-				      double_int_neg
-				        (tree_to_double_int (op[1])));
-		off = double_int_mul (off, tree_to_double_int (op[2]));
-		if (double_int_fits_in_shwi_p (off))
+		off += -tree_to_double_int (op[1]);
+		off *= tree_to_double_int (op[2]);
+		if (off.fits_shwi ())
 		  newop.off = off.low;
 	      }
 	    VEC_replace (vn_reference_op_s, newoperands, j, newop);