re PR target/80695 (gratuitous use of stxvx to store multiple pointers)

2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/80695
	* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
	Reduce cost estimate for direct moves.

From-SVN: r250461

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4554109..7116fa6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+       PR target/80695
+       * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
+       Reduce cost estimate for direct moves.
+
 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
 
        PR target/80569

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index d6be72b..0d7a63b 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -5757,7 +5757,7 @@ rs6000_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
            if (TARGET_P9_VECTOR)
              return TYPE_VECTOR_SUBPARTS (vectype) - 1 + 2;
            else
-             return TYPE_VECTOR_SUBPARTS (vectype) - 1 + 11;
+             return TYPE_VECTOR_SUBPARTS (vectype) - 1 + 5;
          }
        else
          /* V2DFmode doesn't need a direct move.  */