S/390: movsf/sd pattern fixes.

The SD/SFmode move pattern used a wrong mnemonic for vector load
element.
On the vector load element instruction was an operand missing.

Regression tested on s390x.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
	vlef/vstef.  Add missing operand to vleif.

From-SVN: r246447

gcc/ChangeLog

 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
+	* config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
+	vlef/vstef.  Add missing operand to vleif.
+
+2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
 	* config/s390/s390.c (s390_expand_vec_init): Enable vector load
 	pair for all vector types with 64 bit elements.
 	* config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...

gcc/config/s390/s390.md

@@ -2613,11 +2613,11 @@
    st\t%1,%0
    sty\t%1,%0
    vlr\t%v0,%v1
-   vleif\t%v0,0
+   vleif\t%v0,0,0
    vlvgf\t%v0,%1,0
    vlgvf\t%0,%v1,0
-   vleg\t%0,%1,0
-   vsteg\t%1,%0,0"
+   vlef\t%0,%1,0
+   vstef\t%1,%0,0"
   [(set_attr "op_type" "RRE,RR,RR,RXE,RX,RXY,RX,RXY,RI,RR,RIL,RX,RXY,RIL,RX,RXY,VRR,VRI,VRS,VRS,VRX,VRX")
    (set_attr "type"    "fsimpsf,fsimpsf,fload<mode>,fload<mode>,fload<mode>,fload<mode>,
                         fstore<mode>,fstore<mode>,*,lr,load,load,load,store,store,store,*,*,*,*,load,store")