diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index d8e4b139349..82968017cd9 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -1954,8 +1954,14 @@ gimplify_decl_expr (tree *stmt_p, gimple_seq *seq_p)
 	     pattern initialization.
 	     In order to make the paddings as zeroes for pattern init, We
 	     should add a call to __builtin_clear_padding to clear the
-	     paddings to zero in compatiple with CLANG.  */
-	  if (flag_auto_var_init == AUTO_INIT_PATTERN)
+	     paddings to zero in compatiple with CLANG.
+	     We cannot insert this call if the variable is a gimple register
+	     since __BUILTIN_CLEAR_PADDING assumes the variable is in memory.
+	     As a result, if a long double/Complex long double variable will
+	     spilled into stack later, its padding is 0XFE.  */
+	  if (flag_auto_var_init == AUTO_INIT_PATTERN
+	      && !is_gimple_reg (decl)
+	      && clear_padding_type_may_have_padding_p (TREE_TYPE (decl)))
 	    gimple_add_padding_init_for_auto_var (decl, is_vla, seq_p);
 	}
     }
@@ -5388,8 +5394,15 @@ gimplify_init_constructor (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
      initialize paddings of object always to zero regardless of
      INIT_TYPE.  Note, we will not insert this call if the aggregate
      variable has be completely cleared already or it's initialized
-     with an empty constructor.  */
+     with an empty constructor.  We cannot insert this call if the
+     variable is a gimple register since __BUILTIN_CLEAR_PADDING assumes
+     the variable is in memory.  As a result, if a long double/Complex long
+     double variable will be spilled into stack later, its padding cannot
+     be cleared with __BUILTIN_CLEAR_PADDING.  we should clear its padding
+     when it is spilled into memory.  */
   if (is_init_expr
+      && !is_gimple_reg (object)
+      && clear_padding_type_may_have_padding_p (type)
       && ((AGGREGATE_TYPE_P (type) && !cleared && !is_empty_ctor)
 	  || !AGGREGATE_TYPE_P (type))
       && is_var_need_auto_init (object))
diff --git a/gcc/testsuite/c-c++-common/pr102281.c b/gcc/testsuite/c-c++-common/pr102281.c
new file mode 100644
index 00000000000..bfe9b08524b
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/pr102281.c
@@ -0,0 +1,15 @@
+/* PR102281  */
+/* { dg-do compile } */
+/* { dg-options "-ftrivial-auto-var-init=zero" } */
+long _mm_set_epi64x___q0;
+__attribute__((__vector_size__(2 * sizeof(long)))) long long _mm_set_epi64x() {
+  return (__attribute__((__vector_size__(2 * sizeof(long)))) long long){
+      _mm_set_epi64x___q0};
+}
+
+float _mm_set1_ps___F;
+__attribute__((__vector_size__(4 * sizeof(float)))) float
+__attribute___mm_set1_ps() {
+  return (__attribute__((__vector_size__(4 * sizeof(float)))) float){
+      _mm_set1_ps___F};
+}
diff --git a/gcc/testsuite/gcc.target/aarch64/auto-init-6.c b/gcc/testsuite/gcc.target/aarch64/auto-init-6.c
index 27c16b33678..0456c66f496 100644
--- a/gcc/testsuite/gcc.target/aarch64/auto-init-6.c
+++ b/gcc/testsuite/gcc.target/aarch64/auto-init-6.c
@@ -1,6 +1,6 @@
 /* Verify pattern initialization for complex type automatic variables.  */
 /* { dg-do compile } */
-/* { dg-options "-ftrivial-auto-var-init=pattern -fdump-rtl-expand" } */
+/* { dg-options "-ftrivial-auto-var-init=pattern" } */
 
 
 _Complex long double result;
@@ -15,4 +15,4 @@ _Complex long double foo()
   return result;
 }
 
-/* { dg-final { scan-rtl-dump-times "0xfffffffffffffffe\\\]\\\) repeated x16" 3 "expand" } } */
+/* { dg-final { scan-assembler-times "word\t-16843010" 14  } } */
diff --git a/gcc/testsuite/gcc.target/i386/auto-init-2.c b/gcc/testsuite/gcc.target/i386/auto-init-2.c
index e22930ae89b..0c59c62dacf 100644
--- a/gcc/testsuite/gcc.target/i386/auto-init-2.c
+++ b/gcc/testsuite/gcc.target/i386/auto-init-2.c
@@ -29,7 +29,7 @@ void foo()
   return;
 }
 
-/* { dg-final { scan-rtl-dump-times "0xfffffffffffffffe" 2 "expand" } } */
+/* { dg-final { scan-rtl-dump-times "0xfffffffffffffffe" 1 "expand" } } */
 /* { dg-final { scan-rtl-dump-times "0xfffffffffffffefe" 1 "expand" } } */
 /* { dg-final { scan-rtl-dump-times "0xfffffffffefefefe" 2 "expand" { target lp64 } } } */
 /* { dg-final { scan-rtl-dump-times "0xfefefefefefefefe" 3 "expand" { target lp64 } } } */
diff --git a/gcc/testsuite/gcc.target/i386/auto-init-4.c b/gcc/testsuite/gcc.target/i386/auto-init-4.c
index 7b46c74a073..1803dd45842 100644
--- a/gcc/testsuite/gcc.target/i386/auto-init-4.c
+++ b/gcc/testsuite/gcc.target/i386/auto-init-4.c
@@ -1,6 +1,6 @@
 /* Verify pattern initialization for floating point type automatic variables.  */
 /* { dg-do compile } */
-/* { dg-options "-ftrivial-auto-var-init=pattern -fdump-rtl-expand -march=x86-64 -mtune=generic -msse" } */
+/* { dg-options "-ftrivial-auto-var-init=pattern -march=x86-64 -mtune=generic -msse" } */
 
 long double result;
 
@@ -14,8 +14,6 @@ long double foo()
   return result;
 }
 
-/* { dg-final { scan-rtl-dump-times "0xfffffffffefefefe" 1 "expand" { target { ! ia32 } } } } */
-/* { dg-final { scan-rtl-dump-times "\\\[0xfefefefefefefefe\\\]" 1 "expand" { target { ! ia32 } } } } */
-/* { dg-final { scan-rtl-dump-times "0xfffffffffffffffe\\\]\\\) repeated x16" 1 "expand" { target { ! ia32 } } } } */
-/* { dg-final { scan-rtl-dump-times "0xfffffffffefefefe" 2 "expand" { target ia32 } } } */
-/* { dg-final { scan-rtl-dump-times "\\\[0xfefefefefefefefe\\\]" 2 "expand" { target ia32 } } } */
+
+/* { dg-final { scan-assembler-times "long\t-16843010" 5  { target { ! ia32 } } } } */
+/* { dg-final { scan-assembler-times "long\t-16843010" 3  { target { ia32 } } } } */
diff --git a/gcc/testsuite/gcc.target/i386/auto-init-6.c b/gcc/testsuite/gcc.target/i386/auto-init-6.c
index f75081edce4..339f8bc2966 100644
--- a/gcc/testsuite/gcc.target/i386/auto-init-6.c
+++ b/gcc/testsuite/gcc.target/i386/auto-init-6.c
@@ -1,6 +1,6 @@
 /* Verify pattern initialization for complex type automatic variables.  */
 /* { dg-do compile } */
-/* { dg-options "-ftrivial-auto-var-init=pattern -fdump-rtl-expand -march=x86-64 -mtune=generic -msse" } */
+/* { dg-options "-ftrivial-auto-var-init=pattern -march=x86-64 -mtune=generic -msse" } */
 
 
 _Complex long double result;
@@ -15,5 +15,6 @@ _Complex long double foo()
   return result;
 }
 
-/* { dg-final { scan-rtl-dump-times "\\\[0xfefefefefefefefe\\\]" 1 "expand" } } */
-/* { dg-final { scan-rtl-dump-times "0xfffffffffffffffe\\\]\\\) repeated x16" 2 "expand" } } */
+/* { dg-final { scan-assembler-times "long\t-16843010" 10  { target { ! ia32 } } } } */
+/* { dg-final { scan-assembler-times "long\t-16843010" 6  { target { ia32 } } } } */
+
