src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Short64Vector.java

rev 49509 : [vector] Intrinsic support for resize

*** 671,683 ****
      public <F> Vector<F, Shapes.S64Bit> rebracket(Species<F, Shapes.S64Bit> species) {
          Objects.requireNonNull(species);
          // TODO: check proper element type
          // TODO: update to pass the two species as an arguments and ideally
          // push down intrinsic call into species implementation
!         return VectorIntrinsics.rebracket(
              Short64Vector.class, short.class, LENGTH,
!             species.elementType(), this,
              (v, t) -> species.reshape(v)
          );
      }
  
      // Accessors
--- 671,683 ----
      public <F> Vector<F, Shapes.S64Bit> rebracket(Species<F, Shapes.S64Bit> species) {
          Objects.requireNonNull(species);
          // TODO: check proper element type
          // TODO: update to pass the two species as an arguments and ideally
          // push down intrinsic call into species implementation
!         return VectorIntrinsics.reinterpret(
              Short64Vector.class, short.class, LENGTH,
!             species.elementType(), species.length(), this,
              (v, t) -> species.reshape(v)
          );
      }
  
      // Accessors
*** 762,774 ****
          @ForceInline
          @SuppressWarnings("unchecked")
          public <Z> Mask<Z, Shapes.S64Bit> rebracket(Species<Z, Shapes.S64Bit> species) {
              Objects.requireNonNull(species);
              // TODO: check proper element type
!             return VectorIntrinsics.rebracket(
                  Short64Mask.class, short.class, LENGTH,
!                 species.elementType(), this,
                  (m, t) -> m.reshape(species)
              );
          }
  
          // Unary operations
--- 762,774 ----
          @ForceInline
          @SuppressWarnings("unchecked")
          public <Z> Mask<Z, Shapes.S64Bit> rebracket(Species<Z, Shapes.S64Bit> species) {
              Objects.requireNonNull(species);
              // TODO: check proper element type
!             return VectorIntrinsics.reinterpret(
                  Short64Mask.class, short.class, LENGTH,
!                 species.elementType(), species.length(), this,
                  (m, t) -> m.reshape(species)
              );
          }
  
          // Unary operations
*** 861,890 ****
--- 861,895 ----
             sb.append("]");
             return sb.toString();
          }
  
          @Override
+         @ForceInline
          public int bitSize() {
              return BIT_SIZE;
          }
  
          @Override
+         @ForceInline
          public int length() {
              return LENGTH;
          }
  
          @Override
+         @ForceInline
          public Class<Short> elementType() {
              return Short.class;
          }
  
          @Override
+         @ForceInline
          public int elementSize() {
              return Short.SIZE;
          }
  
          @Override
+         @ForceInline
          public Shapes.S64Bit shape() {
              return Shapes.S_64_BIT;
          }
  
          @Override
*** 976,982 ****
--- 981,1025 ----
          @Override
          @ForceInline
          public Short64Vector fromArray(short[] a, int ax, Mask<Short, Shapes.S64Bit> m) {
              return zero().blend(fromArray(a, ax), m); // TODO: use better default impl: op(m, i -> a[ax + i]);
          }
+ 
+         @Override
+         @ForceInline
+         @SuppressWarnings("unchecked")
+         public <T extends Shape> Short64Vector resize(Vector<Short, T> o) {
+             Objects.requireNonNull(o);
+             if (o.bitSize() == 64) {
+                 Short64Vector so = (Short64Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Short64Vector.class, short.class, so.length(),
+                     Short.class, LENGTH, so,
+                     (v, t) -> (Short64Vector)reshape(v)
+                 );
+             } else if (o.bitSize() == 128) {
+                 Short128Vector so = (Short128Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Short128Vector.class, short.class, so.length(),
+                     Short.class, LENGTH, so,
+                     (v, t) -> (Short64Vector)reshape(v)
+                 );
+             } else if (o.bitSize() == 256) {
+                 Short256Vector so = (Short256Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Short256Vector.class, short.class, so.length(),
+                     Short.class, LENGTH, so,
+                     (v, t) -> (Short64Vector)reshape(v)
+                 );
+             } else if (o.bitSize() == 512) {
+                 Short512Vector so = (Short512Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Short512Vector.class, short.class, so.length(),
+                     Short.class, LENGTH, so,
+                     (v, t) -> (Short64Vector)reshape(v)
+                 );
+             } else {
+                 throw new InternalError("Unimplemented size");
+             }
+         }
      }
  }