target/hppa: Implement CLRBTS, POPBTS, PUSHBTS, PUSHNOM
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode
index 6f0c3f6..ba7731b 100644
--- a/target/hppa/insns.decode
+++ b/target/hppa/insns.decode
@@ -381,6 +381,8 @@
disp=%assemble_22
b_gate 111010 ..... ..... 001 ........... . . @bl
blr 111010 l:5 x:5 010 00000000000 n:1 0
+nopbts 111010 00000 00000 010 0---------1 0 1 # clrbts/popbts
+nopbts 111010 00000 ----- 010 00000000000 0 1 # pushbts/pushnom
bv 111010 b:5 x:5 110 00000000000 n:1 0
bve 111010 b:5 00000 110 10000000000 n:1 - l=0
bve 111010 b:5 00000 111 10000000000 n:1 - l=2
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 897b44d..91249d8 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -3782,6 +3782,12 @@
#endif
}
+static bool trans_nopbts(DisasContext *ctx, arg_nopbts *a)
+{
+ /* All branch target stack instructions implement as nop. */
+ return ctx->is_pa20;
+}
+
/*
* Float class 0
*/
