re PR target/78594 (Bug in November 11th, 2016 change to rs6000.md)

2016-11-29  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78594
	* config/rs6000/rs6000.md (mov<mode>_internal, QHI iterator): Add
	'x' to stxsi<wd>x print pattern, so that QImode and HImode values
	residing in traditional altivec registers can be stored
	correctly.

From-SVN: r242983

gcc/ChangeLog

+2016-11-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	PR target/78594
+	* config/rs6000/rs6000.md (mov<mode>_internal, QHI iterator): Add
+	'x' to stxsi<wd>x print pattern, so that QImode and HImode values
+	residing in traditional altivec registers can be stored
+	correctly.
+
 2016-11-29  Max Filippov  <jcmvbkbc@gmail.com>
 
 	PR target/78603

gcc/config/rs6000/rs6000.md

@@ -6826,7 +6826,7 @@
    l<wd>z%U1%X1 %0,%1
    lxsi<wd>zx %x0,%y1
    st<wd>%U0%X0 %1,%0
-   stxsi<wd>x %1,%y0
+   stxsi<wd>x %x1,%y0
    li %0,%1
    xxlor %x0,%x1,%x1
    xxspltib %x0,0