diff --git a/gcc45-pr44942.patch b/gcc45-pr44942.patch
new file mode 100644
index 0000000..1fe4b5c
--- /dev/null
+++ b/gcc45-pr44942.patch
@@ -0,0 +1,192 @@
+2010-07-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/44942
+	* config/i386/i386-protos.h (ix86_function_arg_boundary): Change second
+	argument to const_tree.
+	* config/i386/i386.c (function_arg_advance): If padding needs to be
+	inserted before argument, increment cum->words by number of padding
+	words as well.
+	(contains_aligned_value_p): Change argument to const_tree.
+	(ix86_function_arg_boundary): Change second argument to const_tree.
+
+	* gcc.c-torture/execute/pr44942.c: New test.
+	* gcc.target/i386/pr44942.c: New test.
+
+--- gcc/config/i386/i386-protos.h.jj	2010-07-13 15:56:31.000000000 +0200
++++ gcc/config/i386/i386-protos.h	2010-07-15 12:45:01.000000000 +0200
+@@ -137,8 +137,8 @@ extern enum machine_mode ix86_fp_compare
+ extern rtx ix86_libcall_value (enum machine_mode);
+ extern bool ix86_function_value_regno_p (int);
+ extern bool ix86_function_arg_regno_p (int);
+-extern int ix86_function_arg_boundary (enum machine_mode, tree);
+-extern bool ix86_sol10_return_in_memory (const_tree,const_tree);
++extern int ix86_function_arg_boundary (enum machine_mode, const_tree);
++extern bool ix86_sol10_return_in_memory (const_tree, const_tree);
+ extern rtx ix86_force_to_memory (enum machine_mode, rtx);
+ extern void ix86_free_from_memory (enum machine_mode);
+ extern enum calling_abi ix86_cfun_abi (void);
+--- gcc/config/i386/i386.c.jj	2010-07-13 15:56:31.000000000 +0200
++++ gcc/config/i386/i386.c	2010-07-15 12:44:31.000000000 +0200
+@@ -6157,9 +6157,8 @@ function_arg_advance_64 (CUMULATIVE_ARGS
+   if (!named && VALID_AVX256_REG_MODE (mode))
+     return;
+ 
+-  if (!examine_argument (mode, type, 0, &int_nregs, &sse_nregs))
+-    cum->words += words;
+-  else if (sse_nregs <= cum->sse_nregs && int_nregs <= cum->nregs)
++  if (examine_argument (mode, type, 0, &int_nregs, &sse_nregs)
++      && sse_nregs <= cum->sse_nregs && int_nregs <= cum->nregs)
+     {
+       cum->nregs -= int_nregs;
+       cum->sse_nregs -= sse_nregs;
+@@ -6167,7 +6166,11 @@ function_arg_advance_64 (CUMULATIVE_ARGS
+       cum->sse_regno += sse_nregs;
+     }
+   else
+-    cum->words += words;
++    {
++      int align = ix86_function_arg_boundary (mode, type) / BITS_PER_WORD;
++      cum->words = (cum->words + align - 1) & ~(align - 1);
++      cum->words += words;
++    }
+ }
+ 
+ static void
+@@ -6508,7 +6511,7 @@ ix86_pass_by_reference (CUMULATIVE_ARGS 
+ /* Return true when TYPE should be 128bit aligned for 32bit argument passing
+    ABI.  */
+ static bool
+-contains_aligned_value_p (tree type)
++contains_aligned_value_p (const_tree type)
+ {
+   enum machine_mode mode = TYPE_MODE (type);
+   if (((TARGET_SSE && SSE_REG_MODE_P (mode))
+@@ -6558,7 +6561,7 @@ contains_aligned_value_p (tree type)
+    specified mode and type.  */
+ 
+ int
+-ix86_function_arg_boundary (enum machine_mode mode, tree type)
++ix86_function_arg_boundary (enum machine_mode mode, const_tree type)
+ {
+   int align;
+   if (type)
+--- gcc/testsuite/gcc.c-torture/execute/pr44942.c.jj	2010-07-15 13:41:28.000000000 +0200
++++ gcc/testsuite/gcc.c-torture/execute/pr44942.c	2010-07-15 13:46:40.000000000 +0200
+@@ -0,0 +1,70 @@
++/* PR target/44942 */
++
++#include <stdarg.h>
++
++void
++test1 (int a, int b, int c, int d, int e, int f, int g, long double h, ...)
++{
++  int i;
++  va_list ap;
++
++  va_start (ap, h);
++  i = va_arg (ap, int);
++  if (i != 1234)
++    __builtin_abort ();
++  va_end (ap);
++}
++
++void
++test2 (int a, int b, int c, int d, int e, int f, int g, long double h, int i,
++       long double j, int k, long double l, int m, long double n, ...)
++{
++  int o;
++  va_list ap;
++
++  va_start (ap, n);
++  o = va_arg (ap, int);
++  if (o != 1234)
++    __builtin_abort ();
++  va_end (ap);
++}
++
++void
++test3 (double a, double b, double c, double d, double e, double f,
++       double g, long double h, ...)
++{
++  double i;
++  va_list ap;
++
++  va_start (ap, h);
++  i = va_arg (ap, double);
++  if (i != 1234.0)
++    __builtin_abort ();
++  va_end (ap);
++}
++
++void
++test4 (double a, double b, double c, double d, double e, double f, double g,
++       long double h, double i, long double j, double k, long double l,
++       double m, long double n, ...)
++{
++  double o;
++  va_list ap;
++
++  va_start (ap, n);
++  o = va_arg (ap, double);
++  if (o != 1234.0)
++    __builtin_abort ();
++  va_end (ap);
++}
++
++int
++main ()
++{
++  test1 (0, 0, 0, 0, 0, 0, 0, 0.0L, 1234);
++  test2 (0, 0, 0, 0, 0, 0, 0, 0.0L, 0, 0.0L, 0, 0.0L, 0, 0.0L, 1234);
++  test3 (0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0L, 1234.0);
++  test4 (0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0L, 0.0, 0.0L,
++	 0.0, 0.0L, 0.0, 0.0L, 1234.0);
++  return 0;
++}
+--- gcc/testsuite/gcc.target/i386/pr44942.c.jj	2010-07-15 13:52:37.000000000 +0200
++++ gcc/testsuite/gcc.target/i386/pr44942.c	2010-07-15 13:53:24.000000000 +0200
+@@ -0,0 +1,44 @@
++/* PR target/44942 */
++/* { dg-do run { target lp64 } } */
++
++#include <stdarg.h>
++#include <emmintrin.h>
++
++void
++test1 (double a, double b, double c, double d, double e, double f,
++       double g, __m128d h, ...)
++{
++  double i;
++  va_list ap;
++
++  va_start (ap, h);
++  i = va_arg (ap, double);
++  if (i != 1234.0)
++    __builtin_abort ();
++  va_end (ap);
++}
++
++void
++test2 (double a, double b, double c, double d, double e, double f, double g,
++       __m128d h, double i, __m128d j, double k, __m128d l,
++       double m, __m128d n, ...)
++{
++  double o;
++  va_list ap;
++
++  va_start (ap, n);
++  o = va_arg (ap, double);
++  if (o != 1234.0)
++    __builtin_abort ();
++  va_end (ap);
++}
++
++int
++main ()
++{
++  __m128d m = _mm_set1_pd (7.0);
++  test1 (0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, m, 1234.0);
++  test2 (0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, m, 0.0, m,
++	 0.0, m, 0.0, m, 1234.0);
++  return 0;
++}