re PR target/39445 (failure of SSE2 tests)

gcc/

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39445
	* config/i386/i386.c (ix86_expand_push): Don't set memory
	alignment.

gcc/testsuite/

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39445
	* gcc.target/i386/pr39445.c: New.

	* gcc.target/i386/push-1.c: XFAIL.

From-SVN: r144823

gcc/ChangeLog

 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 
+	PR target/39445
+	* config/i386/i386.c (ix86_expand_push): Don't set memory
+	alignment.
+
+2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
+
 	PR target/39327
 	* config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
 	(avx_addsubv4df3): Likewise.

gcc/config/i386/i386.c

@@ -12633,10 +12633,9 @@ ix86_expand_push (enum machine_mode mode, rtx x)
   tmp = gen_rtx_MEM (mode, stack_pointer_rtx);
 
   /* When we push an operand onto stack, it has to be aligned at least
-     at the function argument boundary.  */
-  set_mem_align (tmp,
-		 ix86_function_arg_boundary (mode, NULL_TREE));
-
+     at the function argument boundary.  However since we don't have
+     the argument type, we can't determine the actual argument
+     boundary.  */
   emit_move_insn (tmp, x);
 }
 

gcc/testsuite/ChangeLog

+2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/39445
+	* gcc.target/i386/pr39445.c: New.
+
+	* gcc.target/i386/push-1.c: XFAIL.
+
 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
 
 	* gcc.dg/inline-33.c: New test.

gcc/testsuite/gcc.target/i386/pr39445.c

+/* { dg-do run } */
+/* { dg-options "-Os -msse2" } */
+
+#include "sse2-check.h"
+
+typedef struct { __m128 f __attribute__((packed)); } packed;
+
+__m128  __attribute__((noinline))
+foo (__m128 a1, __m128 a2, __m128 a3, __m128 a4,
+     __m128 a5, __m128 a6, __m128 a7, __m128 a8,
+     int b1, int b2, int b3, int b4, int b5, int b6, int b7, packed y)
+{
+  return y.f;
+}
+
+void
+sse2_test (void)
+{
+  packed x;
+  __m128 y = { 0 };
+  x.f = y; 
+  y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
+  if (__builtin_memcmp (&y, &x.f, sizeof (y)) != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/push-1.c

@@ -12,4 +12,4 @@ bar (void)
   foo (x, x, x, x, 5);
 }
 
-/* { dg-final { scan-assembler-not "movups" } } */
+/* { dg-final { scan-assembler-not "movups" { xfail *-*-* } } } */