[PATCH v21 09/13] target/loongarch: Fix helper_asrtle_d/asrtgt_d raise wrong exception

[Richard Henderson <richard.henderson@linaro.org>]

From: Song Gao <gaosong@loongson.cn>

Raise EXCCODE_BCE instead of EXCCODE_ADEM for helper_asrtle_d/asrtgt_d.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220624031049.1716097-10-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/loongarch/cpu.c       | 2 ++
 target/loongarch/op_helper.c | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index e32d4cc269..0013582a3a 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -51,6 +51,7 @@ static const char * const excp_names[] = {
     [EXCCODE_IPE] = "Instruction privilege error",
     [EXCCODE_FPE] = "Floating Point Exception",
     [EXCCODE_DBP] = "Debug breakpoint",
+    [EXCCODE_BCE] = "Bound Check Exception",
 };
 
 const char *loongarch_exception_name(int32_t exception)
@@ -176,6 +177,7 @@ static void loongarch_cpu_do_interrupt(CPUState *cs)
     case EXCCODE_INE:
     case EXCCODE_IPE:
     case EXCCODE_FPE:
+    case EXCCODE_BCE:
         env->CSR_BADV = env->pc;
         QEMU_FALLTHROUGH;
     case EXCCODE_ADEM:
diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c
index d87049851f..df049cec59 100644
--- a/target/loongarch/op_helper.c
+++ b/target/loongarch/op_helper.c
@@ -49,14 +49,14 @@ target_ulong helper_bitswap(target_ulong v)
 void helper_asrtle_d(CPULoongArchState *env, target_ulong rj, target_ulong rk)
 {
     if (rj > rk) {
-        do_raise_exception(env, EXCCODE_ADEM, GETPC());
+        do_raise_exception(env, EXCCODE_BCE, 0);
     }
 }
 
 void helper_asrtgt_d(CPULoongArchState *env, target_ulong rj, target_ulong rk)
 {
     if (rj <= rk) {
-        do_raise_exception(env, EXCCODE_ADEM, GETPC());
+        do_raise_exception(env, EXCCODE_BCE, 0);
     }
 }
 
-- 
2.34.1