tree-vect-transform.c (vectorizable_operation): Try word_mode vectorization if…

tree-vect-transform.c (vectorizable_operation): Try word_mode vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD...

2005-05-26  Paolo Bonzini  <bonzini@gnu.org>

	* tree-vect-transform.c (vectorizable_operation): Try word_mode
	vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
	if a vector mode is available.

testsuite/ChangeLog:
2005-05-26  Paolo Bonzini  <bonzini@gnu.org>

	* gcc.dg/vect/vect-7.c: Remove xfail for alpha.

From-SVN: r100195

gcc/ChangeLog

+2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
+
+	* tree-vect-transform.c (vectorizable_operation): Try word_mode
+	vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
+	if a vector mode is available.
+
 2005-05-25  Roger Sayle  <roger@eyesopen.com>
 
 	PR middle-end/21709
@@ -1044,6 +1050,10 @@
 
 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
 
+	* tree-ssa-math-opts.c: New file.
+
+2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
+
 	* Makefile.in: Add tree-ssa-math-opts.c.
 	* expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
 	* fold-const.c (distribute_real_division): New.

gcc/testsuite/ChangeLog

+2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
+
+	* gcc.dg/vect/vect-7.c: Remove xfail for alpha.
+
 2005-05-26  Andreas Jaeger  <aj@suse.de>
 
 	* gcc.dg/tree-ssa/ssa-pre-14.c (foo): Use correct type for strlen.

gcc/testsuite/gcc.dg/vect/vect-7.c

@@ -45,7 +45,7 @@ int main (void)
   return main1 ();
 }
 
-/* Fails for targets that don't vectorize PLUS.  */
-/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { xfail alpha*-*-* } } } */
+/* Fails for 32-bit targets that don't vectorize PLUS.  */
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
 /* { dg-final { cleanup-tree-dump "vect" } } */

gcc/tree-vect-transform.c

@@ -815,7 +815,12 @@ vectorizable_operation (tree stmt, block_stmt_iterator *bsi, tree *vec_stmt)
     {
       if (vect_print_dump_info (REPORT_DETAILS, UNKNOWN_LOC))
 	fprintf (vect_dump, "op not supported by target.");
-      return false;
+      if (GET_MODE_SIZE (vec_mode) != UNITS_PER_WORD
+          || LOOP_VINFO_VECT_FACTOR (loop_vinfo)
+	     < vect_min_worthwhile_factor (code))
+        return false;
+      if (vect_print_dump_info (REPORT_DETAILS, UNKNOWN_LOC))
+	fprintf (vect_dump, "proceeding using word mode.");
     }
 
   /* Worthwhile without SIMD support?  */