target/hppa: Decode d for cmpb instructions

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa/insns.decode

@@ -67,6 +67,7 @@
 &rri_cf_d       t r i cf d
 
 &rrb_c_f        disp n c f r1 r2
+&rrb_c_d_f      disp n c d f r1 r2
 &rib_c_f        disp n c f r i
 
 ####
@@ -83,6 +84,8 @@
 
 @rrb_cf         ...... r2:5 r1:5 c:3 ........... n:1 .  \
                 &rrb_c_f disp=%assemble_12
+@rrb_cdf        ...... r2:5 r1:5 c:3 ........... n:1 .  \
+                &rrb_c_d_f disp=%assemble_12
 @rib_cf         ...... r:5 ..... c:3 ........... n:1 .  \
                 &rib_c_f disp=%assemble_12 i=%im5_16
 
@@ -296,8 +299,10 @@ bb_imm          110001 p:5   r:5 c:1 1 d:1 ........... n:1 . disp=%assemble_12
 movb            110010 ..... ..... ... ........... . .  @rrb_cf f=0
 movbi           110011 ..... ..... ... ........... . .  @rib_cf f=0
 
-cmpb            100000 ..... ..... ... ........... . .  @rrb_cf f=0
-cmpb            100010 ..... ..... ... ........... . .  @rrb_cf f=1
+cmpb            100000 ..... ..... ... ........... . .  @rrb_cdf d=0 f=0
+cmpb            100010 ..... ..... ... ........... . .  @rrb_cdf d=0 f=1
+cmpb            100111 ..... ..... ... ........... . .  @rrb_cdf d=1 f=0
+cmpb            101111 ..... ..... ... ........... . .  @rrb_cdf d=1 f=1
 cmpbi           100001 ..... ..... ... ........... . .  @rib_cf f=0
 cmpbi           100011 ..... ..... ... ........... . .  @rib_cf f=1
 

target/hppa/translate.c

@@ -3091,11 +3091,10 @@ static bool trans_ldo(DisasContext *ctx, arg_ldo *a)
 }
 
 static bool do_cmpb(DisasContext *ctx, unsigned r, TCGv_reg in1,
-                    unsigned c, unsigned f, unsigned n, int disp)
+                    unsigned c, unsigned f, bool d, unsigned n, int disp)
 {
     TCGv_reg dest, in2, sv;
     DisasCond cond;
-    bool d = false;
 
     in2 = load_gpr(ctx, r);
     dest = tcg_temp_new();
@@ -3113,14 +3112,19 @@ static bool do_cmpb(DisasContext *ctx, unsigned r, TCGv_reg in1,
 
 static bool trans_cmpb(DisasContext *ctx, arg_cmpb *a)
 {
+    if (!ctx->is_pa20 && a->d) {
+        return false;
+    }
     nullify_over(ctx);
-    return do_cmpb(ctx, a->r2, load_gpr(ctx, a->r1), a->c, a->f, a->n, a->disp);
+    return do_cmpb(ctx, a->r2, load_gpr(ctx, a->r1),
+                   a->c, a->f, a->d, a->n, a->disp);
 }
 
 static bool trans_cmpbi(DisasContext *ctx, arg_cmpbi *a)
 {
     nullify_over(ctx);
-    return do_cmpb(ctx, a->r, tcg_constant_reg(a->i), a->c, a->f, a->n, a->disp);
+    return do_cmpb(ctx, a->r, tcg_constant_reg(a->i),
+                   a->c, a->f, false, a->n, a->disp);
 }
 
 static bool do_addb(DisasContext *ctx, unsigned r, TCGv_reg in1,