message: Fixed int16 gather stride
diff: @@ -920,7 +920,7 @@ define <WIDTH x $1>
  %res = call <WIDTH x $1> @llvm.genx.rdregioni.GEN_SUFFIX($1).GEN_SUFFIXN($1, WIDTH_X4).i16(<WIDTH_X4 x $1> %res64, i32 0, i32 WIDTH, i32 4, i16 0, i32 undef)
  ', $1,i16, `
  %res64 = call <WIDTH_X2 x $1> @llvm.genx.svm.gather.GEN_SUFFIXN($1, WIDTH_X2).GEN_SUFFIX(i1).GEN_SUFFIX(i64)(<WIDTH x MASK> %vecmask, i32 1, <WIDTH x i64> %offsets64, <WIDTH x $1> undef)
  - %res = call <WIDTH x $1> @llvm.genx.rdregioni.GEN_SUFFIX($1).GEN_SUFFIXN($1, WIDTH_X2).i16(<WIDTH_X2 x $1> %res64, i32 0, i32 WIDTH, i32 4, i16 0, i32 undef)
  + %res = call <WIDTH x $1> @llvm.genx.rdregioni.GEN_SUFFIX($1).GEN_SUFFIXN($1, WIDTH_X2).i16(<WIDTH_X2 x $1> %res64, i32 0, i32 WIDTH, i32 2, i16 0, i32 undef)
  ',`
  %res = call <WIDTH x $1> @llvm.genx.svm.gather.GEN_SUFFIX($1).GEN_SUFFIX(i1).GEN_SUFFIX(i64)(<WIDTH x MASK> %vecmask, i32 0, <WIDTH x i64> %offsets64, <WIDTH x $1> undef)
  ')
  @@ -934,7 +934,7 @@ ifelse($1, i8,`
  %res = call <WIDTH x $1> @llvm.genx.rdregioni.GEN_SUFFIX($1).GEN_SUFFIXN($1, WIDTH_X4).i16(<WIDTH_X4 x $1> %res64, i32 0, i32 WIDTH, i32 4, i16 0, i32 undef)
  ', $1,i16, `
  %res64 = call <WIDTH_X2 x $1> @llvm.genx.svm.gather.GEN_SUFFIXN($1, WIDTH_X2).GEN_SUFFIX(i1).GEN_SUFFIX(i64)(<WIDTH x MASK> %vecmask, i32 1, <WIDTH x i64> %offsets, <WIDTH x $1> undef)
  - %res = call <WIDTH x $1> @llvm.genx.rdregioni.GEN_SUFFIX($1).GEN_SUFFIXN($1, WIDTH_X2).i16(<WIDTH_X2 x $1> %res64, i32 0, i32 WIDTH, i32 4, i16 0, i32 undef)
  + %res = call <WIDTH x $1> @llvm.genx.rdregioni.GEN_SUFFIX($1).GEN_SUFFIXN($1, WIDTH_X2).i16(<WIDTH_X2 x $1> %res64, i32 0, i32 WIDTH, i32 2, i16 0, i32 undef)
  ',`
  %res = call <WIDTH x $1> @llvm.genx.svm.gather.GEN_SUFFIX($1).GEN_SUFFIX(i1).GEN_SUFFIX(i64)(<WIDTH x MASK> %vecmask, i32 0, <WIDTH x i64> %offsets, <WIDTH x $1> undef)
  ')
  