Check preferred vector mode for vector type in estimate_move_cost.

gcc/

2010-11-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR tree-optimization/46414
	* tree-inline.c (estimate_move_cost): Check preferred vector
	mode for vector type.

gcc/testsuite/

2010-11-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR tree-optimization/46414
	* gcc.target/i386/recip-vec-sqrtf-avx.c: Updated for loop
	unrolling.

From-SVN: r166552

gcc/ChangeLog

+2010-11-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR tree-optimization/46414
+	* tree-inline.c (estimate_move_cost): Check preferred vector
+	mode for vector type.
+
 2010-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* config/alpha/osf5.h (ASM_SPEC): Remove -nocpp.

gcc/testsuite/ChangeLog

+2010-11-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR tree-optimization/46414
+	* gcc.target/i386/recip-vec-sqrtf-avx.c: Updated for loop
+	unrolling.
+
 2010-11-10  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/46411

gcc/testsuite/gcc.target/i386/recip-vec-sqrtf-avx.c

@@ -32,4 +32,4 @@ void t3(void)
 }
 
 /* Last loop is small enough to be fully unrolled.  */
-/* { dg-final { scan-assembler-times "vrsqrtps\[ \\t\]+\[^\n\]*%ymm" 4 } } */
+/* { dg-final { scan-assembler-times "vrsqrtps\[ \\t\]+\[^\n\]*%ymm" 6 } } */

gcc/tree-inline.c

@@ -3249,6 +3249,16 @@ estimate_move_cost (tree type)
 
   gcc_assert (!VOID_TYPE_P (type));
 
+  if (TREE_CODE (type) == VECTOR_TYPE)
+    {
+      enum machine_mode inner = TYPE_MODE (TREE_TYPE (type));
+      enum machine_mode simd
+	= targetm.vectorize.preferred_simd_mode (inner);
+      int simd_mode_size = GET_MODE_SIZE (simd);
+      return ((GET_MODE_SIZE (TYPE_MODE (type)) + simd_mode_size - 1)
+	      / simd_mode_size);
+    }
+
   size = int_size_in_bytes (type);
 
   if (size < 0 || size > MOVE_MAX_PIECES * MOVE_RATIO (!optimize_size))