src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Byte128Vector.java

rev 49509 : [vector] Intrinsic support for resize

*** 671,683 ****
      public <F> Vector<F, Shapes.S128Bit> rebracket(Species<F, Shapes.S128Bit> 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(
              Byte128Vector.class, byte.class, LENGTH,
!             species.elementType(), this,
              (v, t) -> species.reshape(v)
          );
      }
  
      // Accessors
--- 671,683 ----
      public <F> Vector<F, Shapes.S128Bit> rebracket(Species<F, Shapes.S128Bit> 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(
              Byte128Vector.class, byte.class, LENGTH,
!             species.elementType(), species.length(), this,
              (v, t) -> species.reshape(v)
          );
      }
  
      // Accessors
*** 762,774 ****
          @ForceInline
          @SuppressWarnings("unchecked")
          public <Z> Mask<Z, Shapes.S128Bit> rebracket(Species<Z, Shapes.S128Bit> species) {
              Objects.requireNonNull(species);
              // TODO: check proper element type
!             return VectorIntrinsics.rebracket(
                  Byte128Mask.class, byte.class, LENGTH,
!                 species.elementType(), this,
                  (m, t) -> m.reshape(species)
              );
          }
  
          // Unary operations
--- 762,774 ----
          @ForceInline
          @SuppressWarnings("unchecked")
          public <Z> Mask<Z, Shapes.S128Bit> rebracket(Species<Z, Shapes.S128Bit> species) {
              Objects.requireNonNull(species);
              // TODO: check proper element type
!             return VectorIntrinsics.reinterpret(
                  Byte128Mask.class, byte.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<Byte> elementType() {
              return Byte.class;
          }
  
          @Override
+         @ForceInline
          public int elementSize() {
              return Byte.SIZE;
          }
  
          @Override
+         @ForceInline
          public Shapes.S128Bit shape() {
              return Shapes.S_128_BIT;
          }
  
          @Override
*** 976,982 ****
--- 981,1025 ----
          @Override
          @ForceInline
          public Byte128Vector fromArray(byte[] a, int ax, Mask<Byte, Shapes.S128Bit> 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> Byte128Vector resize(Vector<Byte, T> o) {
+             Objects.requireNonNull(o);
+             if (o.bitSize() == 64) {
+                 Byte64Vector so = (Byte64Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Byte64Vector.class, byte.class, so.length(),
+                     Byte.class, LENGTH, so,
+                     (v, t) -> (Byte128Vector)reshape(v)
+                 );
+             } else if (o.bitSize() == 128) {
+                 Byte128Vector so = (Byte128Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Byte128Vector.class, byte.class, so.length(),
+                     Byte.class, LENGTH, so,
+                     (v, t) -> (Byte128Vector)reshape(v)
+                 );
+             } else if (o.bitSize() == 256) {
+                 Byte256Vector so = (Byte256Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Byte256Vector.class, byte.class, so.length(),
+                     Byte.class, LENGTH, so,
+                     (v, t) -> (Byte128Vector)reshape(v)
+                 );
+             } else if (o.bitSize() == 512) {
+                 Byte512Vector so = (Byte512Vector)o;
+                 return VectorIntrinsics.reinterpret(
+                     Byte512Vector.class, byte.class, so.length(),
+                     Byte.class, LENGTH, so,
+                     (v, t) -> (Byte128Vector)reshape(v)
+                 );
+             } else {
+                 throw new InternalError("Unimplemented size");
+             }
+         }
      }
  }