Address Douniai&Dmitry's comments

Author: yubingex007-a11y

sycl/include/CL/__spirv/spirv_ops.hpp

@@ -90,7 +90,7 @@ template <typename T, std::size_t R, std::size_t C,
           __spv::MatrixLayout L = __spv::MatrixLayout::RowMajor,
           __spv::Scope::Flag S = __spv::Scope::Flag::Subgroup>
 extern SYCL_EXTERNAL __spv::__spirv_JointMatrixINTEL<T, R, C, L, S> *
-__spirv_JointMatrixFillINTEL(const T &v, __spv::Scope::Flag Sc = S);
+__spirv_CompositeConstruct(const T v);
 
 #ifndef __SPIRV_BUILTIN_DECLARATIONS__
 #error                                                                         \

sycl/include/sycl/ext/oneapi/matrix/matrix-jit.hpp

@@ -197,12 +197,9 @@ template <typename Group, typename T, size_t NumRows, size_t NumCols,
 inline __SYCL_ALWAYS_INLINE void
 joint_matrix_fill(Group sg,
                   joint_matrix<T, NumRows, NumCols, Layout, Group> &res,
-                  const T &v) {
+                  const T v) {
 #ifdef __SYCL_DEVICE_ONLY__
-  res.spvm =
-      __spirv_JointMatrixFillINTEL<T, NumRows, NumCols,
-                                   spv_matrix_layout_traits<Layout>::value>(
-          v, spv_scope_traits<Group>::value);
+  res.spvm = __spirv_CompositeConstruct<T, NumRows, NumCols>(v);
 #else
   (void)res;
   (void)v;

sycl/test/matrix/matrix-int8-test-fill.cpp

@@ -68,10 +68,7 @@ void matrix_multiply(big_matrix<T1, NUM_ROWS_C, NUM_COLS_C> &C, big_matrix<T2, N
 
            // AMX: 8 register tiles : 1k byte size, SMmaxxSKmax =16x64
            // strideX = X's cols, so strideC = N, strideA = K, strideB = N*4
-           joint_matrix_load(sg, sub_c,
-                             accC.get_pointer() + (sg_startx * TM) * N +
-                                 sg_starty / SG_SZ * TN,
-                             N, matrix_layout::row_major);
+           joint_matrix_fill(sg, sub_c, 0);
            for (int k = 0; k < K / TK; k += 1) {
              joint_matrix_load(
                  sg, sub_a, accA.get_pointer() + (sg_startx * TM) * K + k * TK,
@@ -129,8 +126,8 @@ int main() {
   }
   for (int i = 0; i < MATRIX_M; i++) {
     for (int j = 0; j < MATRIX_N; j++) {
-      C[i][j] = 1;
-      D[i][j] = 1;
+      C[i][j] = 0;
+      D[i][j] = 0;
     }
   }