diff -uprN a/gcc/testsuite/gcc.target/aarch64/sve/slp_fix_1.c b/gcc/testsuite/gcc.target/aarch64/sve/slp_fix_1.c
--- a/gcc/testsuite/gcc.target/aarch64/sve/slp_fix_1.c	1970-01-01 08:00:00.000000000 +0800
+++ b/gcc/testsuite/gcc.target/aarch64/sve/slp_fix_1.c	2020-11-17 02:38:45.284000000 +0800
@@ -0,0 +1,19 @@
+/* { dg-do compiler} */
+/* { dg-options "-O2 -ftree-vectorize -msve-vector-bits=256 -funsafe-math-optimizations" } */
+
+long a, b;
+float c, e;
+float *d;
+void f() {
+  float g, h, i, j;
+  b = 0;
+  for (; b < a; b++) {
+    i = d[0];
+    g = g + i * e;
+    j = d[1];
+    h = h - j * e;
+    d = d + 2;
+  }
+  c = g;
+  e = h;
+}
diff -uprN a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
--- a/gcc/tree-vect-slp.c	2020-11-16 10:59:36.000000000 +0800
+++ b/gcc/tree-vect-slp.c	2020-11-16 23:30:19.560000000 +0800
@@ -4140,8 +4140,8 @@ vect_schedule_slp_instance (slp_tree nod
 	      gimple *vstmt;
 	      vstmt = gimple_build_assign (make_ssa_name (vectype),
 					   VEC_PERM_EXPR,
-					   gimple_assign_lhs (v0[j]->stmt),
-					   gimple_assign_lhs (v1[j]->stmt),
+					   gimple_get_lhs (v0[j]->stmt),
+					   gimple_get_lhs (v1[j]->stmt),
 					   tmask);
 	      SLP_TREE_VEC_STMTS (node).quick_push
 		(vect_finish_stmt_generation (stmt_info, vstmt, &si));