commit f25d316098dd52ac74adf9416713cfe68c72f66e
author Richard Henderson <richard.henderson@linaro.org> Sat Sep 16 22:25:30 2023 -0700
committer Richard Henderson <richard.henderson@linaro.org> Mon Nov 06 18:49:34 2023 -0800
tree ef782a20876efc2c3ef871adc04738d0750d5ede
parent c65c3ee16b6e5382a93e3ed28fccf2fa545794e8

target/hppa: Decode ADDB double-word

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

target/hppa/translate.c

diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 7f767fe..1b4fa40 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -3143,6 +3143,17 @@
     DisasCond cond;
     bool d = false;
 
+    /*
+     * For hppa64, the ADDB conditions change with PSW.W,
+     * dropping ZNV, SV, OD in favor of double-word EQ, LT, LE.
+     */
+    if (ctx->tb_flags & PSW_W) {
+        d = c >= 5;
+        if (d) {
+            c &= 3;
+        }
+    }
+
     in2 = load_gpr(ctx, r);
     dest = tcg_temp_new();
     sv = NULL;