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[PULL 24/41] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state


From: Peter Maydell
Subject: [PULL 24/41] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state
Date: Tue, 22 Oct 2019 14:31:17 +0100

From: Richard Henderson <address@hidden>

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>
Message-id: address@hidden
Signed-off-by: Peter Maydell <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 3f7d3f257d8..37424e3d4dd 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
-- 
2.20.1




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