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[PATCH v9 14/24] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_st
From: |
Richard Henderson |
Subject: |
[PATCH v9 14/24] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state |
Date: |
Wed, 23 Oct 2019 11:00:47 -0400 |
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 v9 06/24] target/arm: Reduce tests vs M-profile in cpu_get_tb_cpu_state, (continued)
- [PATCH v9 06/24] target/arm: Reduce tests vs M-profile in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/23
- [PATCH v9 03/24] target/arm: Split out rebuild_hflags_common_32, Richard Henderson, 2019/10/23
- [PATCH v9 04/24] target/arm: Split arm_cpu_data_is_big_endian, Richard Henderson, 2019/10/23
- [PATCH v9 13/24] target/arm: Split out arm_mmu_idx_el, Richard Henderson, 2019/10/23
- [PATCH v9 07/24] target/arm: Split out rebuild_hflags_a32, Richard Henderson, 2019/10/23
- [PATCH v9 22/24] linux-user/aarch64: Rebuild hflags for TARGET_WORDS_BIGENDIAN, Richard Henderson, 2019/10/23
- [PATCH v9 09/24] target/arm: Hoist XSCALE_CPAR, VECLEN, VECSTRIDE in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/23
- [PATCH v9 17/24] target/arm: Rebuild hflags at MSR writes, Richard Henderson, 2019/10/23
- [PATCH v9 12/24] target/arm: Add arm_rebuild_hflags, Richard Henderson, 2019/10/23
- [PATCH v9 19/24] target/arm: Rebuild hflags at Xscale SCTLR writes, Richard Henderson, 2019/10/23
- [PATCH v9 14/24] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state,
Richard Henderson <=
- [PATCH v9 05/24] target/arm: Split out rebuild_hflags_m32, Richard Henderson, 2019/10/23
- [PATCH v9 18/24] target/arm: Rebuild hflags at CPSR writes, Richard Henderson, 2019/10/23
- [PATCH v9 10/24] target/arm: Simplify set of PSTATE_SS in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/23
- [PATCH v9 23/24] linux-user/arm: Rebuild hflags for TARGET_WORDS_BIGENDIAN, Richard Henderson, 2019/10/23
- [PATCH v9 15/24] target/arm: Add HELPER(rebuild_hflags_{a32, a64, m32}), Richard Henderson, 2019/10/23
- [PATCH v9 02/24] target/arm: Split out rebuild_hflags_a64, Richard Henderson, 2019/10/23
- [PATCH v9 08/24] target/arm: Split out rebuild_hflags_aprofile, Richard Henderson, 2019/10/23
- [PATCH v9 01/24] target/arm: Split out rebuild_hflags_common, Richard Henderson, 2019/10/23
- [PATCH v9 21/24] target/arm: Rebuild hflags for M-profile NVIC, Richard Henderson, 2019/10/23
- [PATCH v9 24/24] target/arm: Rely on hflags correct in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/23