[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v7 14/20] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_st
From: |
Richard Henderson |
Subject: |
[PATCH v7 14/20] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state |
Date: |
Thu, 17 Oct 2019 11:51:04 -0700 |
By performing this store early, we avoid having to save and restore
the register holding the address around any function calls.
Reviewed-by: Alex Bennée <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 3f7d3f257d..37424e3d4d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11225,6 +11225,7 @@ void cpu_get_tb_cpu_state(CPUARMState *env,
target_ulong *pc,
{
uint32_t flags, pstate_for_ss;
+ *cs_base = 0;
flags = rebuild_hflags_internal(env);
if (is_a64(env)) {
@@ -11298,7 +11299,6 @@ void cpu_get_tb_cpu_state(CPUARMState *env,
target_ulong *pc,
}
*pflags = flags;
- *cs_base = 0;
}
#ifdef TARGET_AARCH64
--
2.17.1
[PATCH v7 12/20] target/arm: Add arm_rebuild_hflags, Richard Henderson, 2019/10/17
[PATCH v7 14/20] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state,
Richard Henderson <=
[PATCH v7 15/20] target/arm: Add HELPER(rebuild_hflags_{a32, a64, m32}), Richard Henderson, 2019/10/17
[PATCH v7 20/20] target/arm: Rely on hflags correct in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/17