--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.target/i386/pr92658-avx512bw.c	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,280 @@
+/* PR target/92658 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-vectorize -mavx512bw" } */
+
+typedef unsigned char v64qi __attribute__((vector_size (64)));
+typedef unsigned short v32hi __attribute__((vector_size (64)));
+typedef unsigned int v16si __attribute__((vector_size (64)));
+typedef unsigned long long v8di __attribute__((vector_size (64)));
+
+void
+foo_u8_u16 (v32hi * dst, v64qi * __restrict src)
+{
+  unsigned short tem[32];
+  tem[0] = (*src)[0];
+  tem[1] = (*src)[1];
+  tem[2] = (*src)[2];
+  tem[3] = (*src)[3];
+  tem[4] = (*src)[4];
+  tem[5] = (*src)[5];
+  tem[6] = (*src)[6];
+  tem[7] = (*src)[7];
+  tem[8] = (*src)[8];
+  tem[9] = (*src)[9];
+  tem[10] = (*src)[10];
+  tem[11] = (*src)[11];
+  tem[12] = (*src)[12];
+  tem[13] = (*src)[13];
+  tem[14] = (*src)[14];
+  tem[15] = (*src)[15];
+  tem[16] = (*src)[16];
+  tem[17] = (*src)[17];
+  tem[18] = (*src)[18];
+  tem[19] = (*src)[19];
+  tem[20] = (*src)[20];
+  tem[21] = (*src)[21];
+  tem[22] = (*src)[22];
+  tem[23] = (*src)[23];
+  tem[24] = (*src)[24];
+  tem[25] = (*src)[25];
+  tem[26] = (*src)[26];
+  tem[27] = (*src)[27];
+  tem[28] = (*src)[28];
+  tem[29] = (*src)[29];
+  tem[30] = (*src)[30];
+  tem[31] = (*src)[31];
+  dst[0] = *(v32hi *) tem;
+}
+
+void
+bar_u8_u16 (v32hi * dst, v64qi src)
+{
+  unsigned short tem[32];
+  tem[0] = src[0];
+  tem[1] = src[1];
+  tem[2] = src[2];
+  tem[3] = src[3];
+  tem[4] = src[4];
+  tem[5] = src[5];
+  tem[6] = src[6];
+  tem[7] = src[7];
+  tem[8] = src[8];
+  tem[9] = src[9];
+  tem[10] = src[10];
+  tem[11] = src[11];
+  tem[12] = src[12];
+  tem[13] = src[13];
+  tem[14] = src[14];
+  tem[15] = src[15];
+  tem[16] = src[16];
+  tem[17] = src[17];
+  tem[18] = src[18];
+  tem[19] = src[19];
+  tem[20] = src[20];
+  tem[21] = src[21];
+  tem[22] = src[22];
+  tem[23] = src[23];
+  tem[24] = src[24];
+  tem[25] = src[25];
+  tem[26] = src[26];
+  tem[27] = src[27];
+  tem[28] = src[28];
+  tem[29] = src[29];
+  tem[30] = src[30];
+  tem[31] = src[31];
+  dst[0] = *(v32hi *) tem;
+}
+
+/* { dg-final { scan-assembler-times "pmovzxbw" 2 } } */
+
+void
+foo_u8_u32 (v16si * dst, v64qi * __restrict src)
+{
+  unsigned int tem[16];
+  tem[0] = (*src)[0];
+  tem[1] = (*src)[1];
+  tem[2] = (*src)[2];
+  tem[3] = (*src)[3];
+  tem[4] = (*src)[4];
+  tem[5] = (*src)[5];
+  tem[6] = (*src)[6];
+  tem[7] = (*src)[7];
+  tem[8] = (*src)[8];
+  tem[9] = (*src)[9];
+  tem[10] = (*src)[10];
+  tem[11] = (*src)[11];
+  tem[12] = (*src)[12];
+  tem[13] = (*src)[13];
+  tem[14] = (*src)[14];
+  tem[15] = (*src)[15];
+  dst[0] = *(v16si *) tem;
+}
+
+void
+bar_u8_u32 (v16si * dst, v64qi src)
+{
+  unsigned int tem[16];
+  tem[0] = src[0];
+  tem[1] = src[1];
+  tem[2] = src[2];
+  tem[3] = src[3];
+  tem[4] = src[4];
+  tem[5] = src[5];
+  tem[6] = src[6];
+  tem[7] = src[7];
+  tem[8] = src[8];
+  tem[9] = src[9];
+  tem[10] = src[10];
+  tem[11] = src[11];
+  tem[12] = src[12];
+  tem[13] = src[13];
+  tem[14] = src[14];
+  tem[15] = src[15];
+  dst[0] = *(v16si *) tem;
+}
+
+/* { dg-final { scan-assembler-times "pmovzxbd" 2 } } */
+
+void
+foo_u8_u64 (v8di * dst, v64qi * __restrict src)
+{
+  unsigned long long tem[8];
+  tem[0] = (*src)[0];
+  tem[1] = (*src)[1];
+  tem[2] = (*src)[2];
+  tem[3] = (*src)[3];
+  tem[4] = (*src)[4];
+  tem[5] = (*src)[5];
+  tem[6] = (*src)[6];
+  tem[7] = (*src)[7];
+  dst[0] = *(v8di *) tem;
+}
+
+void
+bar_u8_u64 (v8di * dst, v64qi src)
+{
+  unsigned long long tem[8];
+  tem[0] = src[0];
+  tem[1] = src[1];
+  tem[2] = src[2];
+  tem[3] = src[3];
+  tem[4] = src[4];
+  tem[5] = src[5];
+  tem[6] = src[6];
+  tem[7] = src[7];
+  dst[0] = *(v8di *) tem;
+}
+
+/* { dg-final { scan-assembler-times "pmovzxbq" 2 } } */
+
+void
+foo_u16_u32 (v16si * dst, v32hi * __restrict src)
+{
+  unsigned int tem[16];
+  tem[0] = (*src)[0];
+  tem[1] = (*src)[1];
+  tem[2] = (*src)[2];
+  tem[3] = (*src)[3];
+  tem[4] = (*src)[4];
+  tem[5] = (*src)[5];
+  tem[6] = (*src)[6];
+  tem[7] = (*src)[7];
+  tem[8] = (*src)[8];
+  tem[9] = (*src)[9];
+  tem[10] = (*src)[10];
+  tem[11] = (*src)[11];
+  tem[12] = (*src)[12];
+  tem[13] = (*src)[13];
+  tem[14] = (*src)[14];
+  tem[15] = (*src)[15];
+  dst[0] = *(v16si *) tem;
+}
+
+void
+bar_u16_u32 (v16si * dst, v32hi src)
+{
+  unsigned int tem[16];
+  tem[0] = src[0];
+  tem[1] = src[1];
+  tem[2] = src[2];
+  tem[3] = src[3];
+  tem[4] = src[4];
+  tem[5] = src[5];
+  tem[6] = src[6];
+  tem[7] = src[7];
+  tem[8] = src[8];
+  tem[9] = src[9];
+  tem[10] = src[10];
+  tem[11] = src[11];
+  tem[12] = src[12];
+  tem[13] = src[13];
+  tem[14] = src[14];
+  tem[15] = src[15];
+  dst[0] = *(v16si *) tem;
+}
+
+/* { dg-final { scan-assembler-times "pmovzxwd" 2 } } */
+
+void
+foo_u16_u64 (v8di * dst, v32hi * __restrict src)
+{
+  unsigned long long tem[8];
+  tem[0] = (*src)[0];
+  tem[1] = (*src)[1];
+  tem[2] = (*src)[2];
+  tem[3] = (*src)[3];
+  tem[4] = (*src)[4];
+  tem[5] = (*src)[5];
+  tem[6] = (*src)[6];
+  tem[7] = (*src)[7];
+  dst[0] = *(v8di *) tem;
+}
+
+void
+bar_u16_u64 (v8di * dst, v32hi src)
+{
+  unsigned long long tem[8];
+  tem[0] = src[0];
+  tem[1] = src[1];
+  tem[2] = src[2];
+  tem[3] = src[3];
+  tem[4] = src[4];
+  tem[5] = src[5];
+  tem[6] = src[6];
+  tem[7] = src[7];
+  dst[0] = *(v8di *) tem;
+}
+
+/* { dg-final { scan-assembler-times "pmovzxwq" 2 } } */
+
+void
+foo_u32_u64 (v8di * dst, v16si * __restrict src)
+{
+  unsigned long long tem[8];
+  tem[0] = (*src)[0];
+  tem[1] = (*src)[1];
+  tem[2] = (*src)[2];
+  tem[3] = (*src)[3];
+  tem[4] = (*src)[4];
+  tem[5] = (*src)[5];
+  tem[6] = (*src)[6];
+  tem[7] = (*src)[7];
+  dst[0] = *(v8di *) tem;
+}
+
+void
+bar_u32_u64 (v8di * dst, v16si src)
+{
+  unsigned long long tem[8];
+  tem[0] = src[0];
+  tem[1] = src[1];
+  tem[2] = src[2];
+  tem[3] = src[3];
+  tem[4] = src[4];
+  tem[5] = src[5];
+  tem[6] = src[6];
+  tem[7] = src[7];
+  dst[0] = *(v8di *) tem;
+}
+
+/* { dg-final { scan-assembler-times "pmovzxdq" 2 } } */