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Check preferred vector mode for vector type in estimate_move_cost.

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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
This commit is contained in:
H.J. Lu 2010-11-10 20:08:27 +00:00 • committed by H.J. Lu
parent e6a054481d
commit c204d113c0
4 changed files with 23 additions and 1 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
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.

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
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

2
gcc/testsuite/gcc.target/i386/recip-vec-sqrtf-avx.c
View file

@ -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 } } */

10
gcc/tree-inline.c
View file

@ -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))