From 7a16a8d2f2a097ce80e2e05beacc5babd5c8404c Mon Sep 17 00:00:00 2001
From: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Date: Wed, 7 Jul 2010 18:17:52 +0200
Subject: [PATCH] kill dead code

---
 src/simulator/high-precision-cairo.cc | 39 ---------------------------
 src/simulator/high-precision-cairo.h  | 30 ---------------------
 2 files changed, 69 deletions(-)

diff --git a/src/simulator/high-precision-cairo.cc b/src/simulator/high-precision-cairo.cc
index 37e89efcf..766147ae7 100644
--- a/src/simulator/high-precision-cairo.cc
+++ b/src/simulator/high-precision-cairo.cc
@@ -122,45 +122,6 @@ HighPrecision::Udiv (cairo_uint128_t a, cairo_uint128_t b)
   return result;
 }
 
-void
-HighPrecision::MulFactor (uint64_t factor)
-{
-  if (m_value.hi == 0 && m_value.lo == 0)
-    {
-      return;
-    }
-  // 1000 = 2^10 - 2^4 - 2^3
-#if 0
-  // 1000000 = 2^20 - 2^16 + 2^14 + 2^9 + 2^6
-  uint8_t powers [] = {20, 16, 14, 9, 6};
-  int8_t signs [] = {1, -1, 1, 1, 1};
-#else
-  // 1000000000 = 2^30 - 2^26 - 2^23 + 2^21 - 2^18 - 2^16 - 2^14 + 2^11 + 2^9
-  uint8_t powers [] = {9, 11, 14, 16, 18, 21, 23, 26, 30};
-  int8_t signs [] = {1, 1, -1, -1, -1, 1, -1, -1, 1};
-#endif
-  cairo_uint128_t result;
-  result.hi = 0;
-  result.lo = 0;
-  for (uint8_t i = 0; i < sizeof (powers); i++)
-    {
-      uint8_t shift = powers[i];
-      cairo_uint128_t tmp;
-      tmp.hi = (m_value.hi << shift) + (m_value.lo >> (64-shift));
-      tmp.lo = m_value.lo << shift;
-      if (signs[i] < 0)
-        {
-          result = Sub (result, tmp);
-        }
-      else
-        {
-          result = Add (result, tmp);
-        }
-    }
-  m_value = result;
-}
-  
-
 void 
 HighPrecision::MulByInvert (const HighPrecision &o)
 {
diff --git a/src/simulator/high-precision-cairo.h b/src/simulator/high-precision-cairo.h
index 8cb533450..c16e2c0bf 100644
--- a/src/simulator/high-precision-cairo.h
+++ b/src/simulator/high-precision-cairo.h
@@ -56,15 +56,10 @@ public:
   void Div (HighPrecision const &o);
   void MulByInvert (const HighPrecision &o);
   static HighPrecision Invert (uint64_t v);
-  
-  void MulFactor (uint64_t factor);
-
 
   inline int Compare (HighPrecision const &o) const;
   inline static HighPrecision Zero (void);
 private:
-  static inline cairo_uint128_t  Add (cairo_uint128_t a, cairo_uint128_t b);
-  static inline cairo_uint128_t  Sub (cairo_uint128_t a, cairo_uint128_t b);
   static cairo_uint128_t  Umul (cairo_uint128_t a, cairo_uint128_t b);
   static cairo_uint128_t Udiv (cairo_uint128_t a, cairo_uint128_t b);
   static cairo_uint128_t UmulByInvert (cairo_uint128_t a, cairo_uint128_t b);
@@ -101,31 +96,6 @@ HighPrecision::GetInteger (void) const
 {
   return m_value.hi;
 }
-cairo_uint128_t  
-HighPrecision::Add (cairo_uint128_t a, cairo_uint128_t b)
-{
-  cairo_uint128_t result;
-  result.hi = a.hi + b.hi;
-  result.lo = a.lo + b.lo;
-  if (result.lo < a.lo)
-    {
-      result.hi++;
-    }
-  return result;
-}
-cairo_uint128_t  
-HighPrecision::Sub (cairo_uint128_t a, cairo_uint128_t b)
-{
-  cairo_uint128_t result;
-  result.hi = a.hi - b.hi;
-  result.lo = a.lo - b.lo;
-  if (result.lo > a.lo)
-    {
-      result.hi--;
-    }
-  return result;
-}
-
 void
 HighPrecision::Add (HighPrecision const &o)
 {