diff mbox series

[v3,47/88] target/hppa: Decode CMPIB double-word

Message ID 20231102013016.369010-48-richard.henderson@linaro.org
State Superseded
Headers show
Series target/hppa: Implement hppa64 cpu | expand

Commit Message

Richard Henderson Nov. 2, 2023, 1:29 a.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/hppa/insns.decode | 10 ++++++++--
 target/hppa/translate.c  | 11 ++++++++++-
 2 files changed, 18 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode
index fc327e2bb3..48f09c9b06 100644
--- a/target/hppa/insns.decode
+++ b/target/hppa/insns.decode
@@ -51,6 +51,7 @@ 
 %pos_to_m       0:1      !function=pos_to_m
 %neg_to_m       0:1      !function=neg_to_m
 %a_to_m         2:1      !function=neg_to_m
+%cmpbid_c       13:2     !function=cmpbid_c
 
 ####
 # Argument set definitions
@@ -69,6 +70,7 @@ 
 &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
+&rib_c_d_f      disp n c d f r i
 
 ####
 # Format definitions
@@ -88,6 +90,8 @@ 
                 &rrb_c_d_f disp=%assemble_12
 @rib_cf         ...... r:5 ..... c:3 ........... n:1 .  \
                 &rib_c_f disp=%assemble_12 i=%im5_16
+@rib_cdf        ...... r:5 ..... c:3 ........... n:1 .  \
+                &rib_c_d_f disp=%assemble_12 i=%im5_16
 
 ####
 # System
@@ -303,8 +307,10 @@  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
+cmpbi           100001 ..... ..... ... ........... . .  @rib_cdf d=0 f=0
+cmpbi           100011 ..... ..... ... ........... . .  @rib_cdf d=0 f=1
+cmpbi           111011 r:5 ..... f:1 .. ........... n:1 . \
+                &rib_c_d_f d=1 disp=%assemble_12 c=%cmpbid_c i=%im5_16
 
 addb            101000 ..... ..... ... ........... . .  @rrb_cf f=0
 addb            101010 ..... ..... ... ........... . .  @rrb_cf f=1
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 6cd06fbc0d..7f767fea64 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -329,6 +329,12 @@  static int expand_shl11(DisasContext *ctx, int val)
     return val << 11;
 }
 
+/* Translate CMPI doubleword conditions to standard. */
+static int cmpbid_c(DisasContext *ctx, int val)
+{
+    return val ? val : 4; /* 0 == "*<<" */
+}
+
 
 /* Include the auto-generated decoder.  */
 #include "decode-insns.c.inc"
@@ -3122,9 +3128,12 @@  static bool trans_cmpb(DisasContext *ctx, arg_cmpb *a)
 
 static bool trans_cmpbi(DisasContext *ctx, arg_cmpbi *a)
 {
+    if (!ctx->is_pa20 && a->d) {
+        return false;
+    }
     nullify_over(ctx);
     return do_cmpb(ctx, a->r, tcg_constant_reg(a->i),
-                   a->c, a->f, false, a->n, a->disp);
+                   a->c, a->f, a->d, a->n, a->disp);
 }
 
 static bool do_addb(DisasContext *ctx, unsigned r, TCGv_reg in1,