Merge pull request #22938 from Xxfore:4.x

Use reinterpret instead of c-style casting for GCC

Co-authored-by: Xu Zhang <xu.zhang@hexintek.com>
Co-authored-by: Maksim Shabunin <maksim.shabunin@gmail.com>

cmake/checks/cpu_rvv.cpp

@@ -9,6 +9,9 @@
 int test()
 {
     const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
+    uint64_t ptr[2] = {0x0908060504020100, 0xFFFFFFFF0E0D0C0A};
+    vuint8m1_t a = vreinterpret_v_u64m1_u8m1(vle64_v_u64m1(ptr, 2));
+    //vuint8m1_t a = (vuint8m1_t)vle64_v_u64m1(ptr, 2);
     vfloat32m1_t val = vle32_v_f32m1((const float*)(src), 4);
     return (int)vfmv_f_s_f32m1_f32(val);
 }