target/s390x: Fix SQXBR

The output is 128-bit, and thus requires a pair of 64-bit temps.

Signed-off-by: Richard Henderson <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Buglink: https://bugs.launchpad.net/bugs/1883984
Message-Id: <[email protected]>
Signed-off-by: Cornelia Huck <[email protected]>

Author: rth7680

target/s390x/insn-data.def

@@ -798,7 +798,7 @@
 /* SQUARE ROOT */
     F(0xb314, SQEBR,   RRE,   Z,   0, e2, new, e1, sqeb, 0, IF_BFP)
     F(0xb315, SQDBR,   RRE,   Z,   0, f2, new, f1, sqdb, 0, IF_BFP)
-    F(0xb316, SQXBR,   RRE,   Z,   x2h, x2l, new, x1, sqxb, 0, IF_BFP)
+    F(0xb316, SQXBR,   RRE,   Z,   x2h, x2l, new_P, x1, sqxb, 0, IF_BFP)
     F(0xed14, SQEB,    RXE,   Z,   0, m2_32u, new, e1, sqeb, 0, IF_BFP)
     F(0xed15, SQDB,    RXE,   Z,   0, m2_64, new, f1, sqdb, 0, IF_BFP)