From: Bill Schmidt <wschmidt@linux.vnet.ibm.com>
Date: Sun, 23 Jul 2017 15:32:37 +0000 (+0000)
Subject: re PR target/80695 (gratuitous use of stxvx to store multiple pointers)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3597188b4b1c0cdc363d0d3965b2cd667d6b448d;p=gcc.git

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 4554109cc39..7116fa6cc83 100644
--- 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 d6be72b6a29..0d7a63b514e 100644
--- 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.  */