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authorPeter Collingbourne <pcc@google.com>2020-08-03 17:28:49 -0700
committerPeter Maydell <peter.maydell@linaro.org>2020-08-04 16:40:19 +0100
commitd250bb19ced3b702c7c37731855f6876d0cc7995 (patch)
tree7a8800c4d6c4467c7a32cd1ce7913ddee7bb1a54
parentffdfca6fac7e87faf4d0815e5cbc31c4a53f7a3a (diff)
downloadqemu-arm-target-arm.for-upstream.tar.gz
target/arm: Fix decode of LDRA[AB] instructionspull-target-arm-20200804target-arm.nexttarget-arm.for-upstream
These instructions use zero as the discriminator, not SP. Signed-off-by: Peter Collingbourne <pcc@google.com> Message-id: 20200804002849.30268-1-pcc@google.com Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/translate-a64.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index c98dfb17a8..534c3ff5f3 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -3429,9 +3429,11 @@ static void disas_ldst_pac(DisasContext *s, uint32_t insn,
if (s->pauth_active) {
if (use_key_a) {
- gen_helper_autda(dirty_addr, cpu_env, dirty_addr, cpu_X[31]);
+ gen_helper_autda(dirty_addr, cpu_env, dirty_addr,
+ new_tmp_a64_zero(s));
} else {
- gen_helper_autdb(dirty_addr, cpu_env, dirty_addr, cpu_X[31]);
+ gen_helper_autdb(dirty_addr, cpu_env, dirty_addr,
+ new_tmp_a64_zero(s));
}
}