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[PULL,2/2] target/arm: Fix decode of LDRA[AB] instructions

Message ID 20200804160843.30245-3-peter.maydell@linaro.org
State New
Headers show
Series [PULL,1/2] docs/devel: Document decodetree no-overlap groups | expand

Commit Message

Peter Maydell Aug. 4, 2020, 4:08 p.m. UTC
From: Peter Collingbourne <pcc@google.com>

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>
---
 target/arm/translate-a64.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index c98dfb17a83..534c3ff5f37 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));
         }
     }