Fix wop_primExtractWide to accept a const reference

Author: krame505

src/bluesim/bs_prim_ops.h

@@ -1654,7 +1654,7 @@ static inline void wop_primExtractWide(unsigned int dst_sz,
 
 static inline void wop_primExtractWide(unsigned int dst_sz,
                                        unsigned int src_sz,
-                                       tUWide & src,
+                                       const tUWide & src,
                                        unsigned int high_sz, unsigned int high,
                                        unsigned int low_sz, unsigned int low,
                                        tUWide &dst)

src/bluesim/bs_wide_data.h

@@ -102,7 +102,7 @@ class WideData
   unsigned int extract32(unsigned int hi, unsigned int lo) const;
   unsigned long long extract64(unsigned int hi, unsigned int lo) const;
   WideData extractWide(unsigned int hi, unsigned int lo) const;
-  void wop_extractWide(unsigned int hi, unsigned int lo, WideData& result);
+  void wop_extractWide(unsigned int hi, unsigned int lo, WideData& result) const;
   void clear(unsigned int from = 0);
   void clear(unsigned int from, unsigned int to);
   void set(unsigned int from = 0);

src/bluesim/wide_data.cxx

@@ -1755,7 +1755,7 @@ void wop_rem(const WideData& v1, const WideData& v2, WideData &result)
 /*** function calls ***/
 
 /* maybe useful */
-void WideData::wop_extractWide(uint hi, uint lo, WideData& result)
+void WideData::wop_extractWide(uint hi, uint lo, WideData& result) const
 {
   copy_bits_to_0(result.data, data, lo, (hi-lo+1));
   clear_bits(result.data, (hi-lo+1), (result.numWords() * WORD_SIZE) - 1);