sim: sh: refine pwsb & pwad nops

Since these insns don't do anything and are effectively ignored,
return early to avoid doing any common processing at the end as
that requires initializing variables like "res" with something.

diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c
index 8ef3f3e33761b915295e3625d03f2583b61351cf..c121d53bb40b350b3cf8204770aaa83745fda156 100644 (file)
--- a/sim/sh/gencode.c
+++ b/sim/sh/gencode.c
@@ -2012,8 +2012,10 @@ static op ppi_tab[] =
     "ADD_SUB_GE;",
   },
   { "","", "pwsb Sx,Sy,Dz",    "10100100....zzzz",
+    "return;",
   },
   { "","", "pwad Sx,Sy,Dz",    "10110100....zzzz",
+    "return;",
   },
   { "","", "(if cc) pabs Sx,Dz",       "100010ccxx01zzzz",
     "/* FIXME: duplicate code pabs.  */",