diff mbox series

[PULL,44/47] target/arm: fix decoding of B{, L}RA{A, B}

Message ID 20190201160653.13829-45-peter.maydell@linaro.org
State Accepted
Commit 1cf86a8618644beb860951ff4383457ee88a7f4a
Headers show
Series target-arm queue | expand

Commit Message

Peter Maydell Feb. 1, 2019, 4:06 p.m. UTC 
From: Remi Denis-Courmont <remi.denis.courmont@huawei.com>


A flawed test lead to the instructions always being treated as
unallocated encodings.

Fixes: https://bugs.launchpad.net/bugs/1813460
Signed-off-by: Remi Denis-Courmont <remi.denis.courmont@huawei.com>

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

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

---
 target/arm/translate-a64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.20.1
diff mbox series

Patch

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index b864ac7a69f..a1997e3ae28 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -2036,7 +2036,7 @@  static void disas_uncond_b_reg(DisasContext *s, uint32_t insn)
         if (!dc_isar_feature(aa64_pauth, s)) {
             goto do_unallocated;
         }
-        if (op3 != 2 || op3 != 3) {
+        if ((op3 & ~1) != 2) {
             goto do_unallocated;
         }
         if (s->pauth_active) {