From: Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Date: Tue, 26 Sep 2017 10:35:00 +0000 (+0000)
Subject: S/390: Set the preferred mode for float vectors
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=41067f07b9eb7bff5c26fe67ff9baefec2556a6b;p=gcc.git

S/390: Set the preferred mode for float vectors

gcc/ChangeLog:

2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_preferred_simd_mode): Return V4SFmode
	for SFmode.

From-SVN: r253196
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5ae094f5f27..92ed88db38f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
+	* config/s390/s390.c (s390_preferred_simd_mode): Return V4SFmode
+	for SFmode.
+
 2017-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
 	* config/s390/vector.md ("vec_unpacks_low_v16qi"): Rename to
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index e3fafa2a642..0ceeef47ec3 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -15859,6 +15859,14 @@ s390_atomic_assign_expand_fenv (tree *hold, tree *clear, tree *update)
 static machine_mode
 s390_preferred_simd_mode (scalar_mode mode)
 {
+  if (TARGET_VXE)
+    switch (mode)
+      {
+      case E_SFmode:
+	return V4SFmode;
+      default:;
+      }
+
   if (TARGET_VX)
     switch (mode)
       {