This backport contains 1 patch from gcc main stream tree.
The commit id of these patchs list as following in the order of time.

0001-AArch64-Fix-constraints-for-CPY-M.patch
3c2707f33af46ac145769872b65e25fd0b870903

diff --git a/gcc/config/aarch64/aarch64-sve.md b/gcc/config/aarch64/aarch64-sve.md
index cbf29a82e28..59bf4a69507 100644
--- a/gcc/config/aarch64/aarch64-sve.md
+++ b/gcc/config/aarch64/aarch64-sve.md
@@ -6523,7 +6523,7 @@
 (define_insn "@aarch64_sel_dup<mode>"
   [(set (match_operand:SVE_FULL 0 "register_operand" "=?w, w, ??w, ?&w, ??&w, ?&w")
 	(unspec:SVE_FULL
-	  [(match_operand:<VPRED> 3 "register_operand" "Upa, Upa, Upl, Upl, Upl, Upl")
+	  [(match_operand:<VPRED> 3 "register_operand" "Upl, Upl, Upl, Upl, Upl, Upl")
 	   (vec_duplicate:SVE_FULL
 	     (match_operand:<VEL> 1 "register_operand" "r, w, r, w, r, w"))
 	   (match_operand:SVE_FULL 2 "aarch64_simd_reg_or_zero" "0, 0, Dz, Dz, w, w")]
diff --git a/gcc/testsuite/gcc.target/aarch64/sve/acle/general/cpy_1.c b/gcc/testsuite/gcc.target/aarch64/sve/acle/general/cpy_1.c
new file mode 100644
index 00000000000..1d8f429caeb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/sve/acle/general/cpy_1.c
@@ -0,0 +1,42 @@
+/* { dg-do compile } */
+/* { dg-options "-O" } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include <arm_sve.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+** dup_x0_m:
+**	add	(x[0-9]+), x0, #?1
+**	mov	(p[0-7])\.b, p15\.b
+**	mov	z0\.d, \2/m, \1
+**	ret
+*/
+svuint64_t
+dup_x0_m (svuint64_t z0, uint64_t x0)
+{
+  register svbool_t pg asm ("p15");
+  asm volatile ("" : "=Upa" (pg));
+  return svdup_u64_m (z0, pg, x0 + 1);
+}
+
+/*
+** dup_d1_z:
+**	mov	(p[0-7])\.b, p15\.b
+**	mov	z0\.d, \1/m, d1
+**	ret
+*/
+svfloat64_t
+dup_d1_z (svfloat64_t z0, float64_t d1)
+{
+  register svbool_t pg asm ("p15");
+  asm volatile ("" : "=Upa" (pg));
+  return svdup_f64_m (z0, pg, d1);
+}
+
+#ifdef __cplusplus
+}
+#endif