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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
- [PULL 16/41] target/arm: Reduce tests vs M-profile in cpu_get_tb_cpu_state, (continued)
- [PULL 16/41] target/arm: Reduce tests vs M-profile in cpu_get_tb_cpu_state, Peter Maydell, 2019/10/22
- [PULL 15/41] target/arm: Split out rebuild_hflags_m32, Peter Maydell, 2019/10/22
- [PULL 17/41] target/arm: Split out rebuild_hflags_a32, Peter Maydell, 2019/10/22
- [PULL 18/41] target/arm: Split out rebuild_hflags_aprofile, Peter Maydell, 2019/10/22
- [PULL 19/41] target/arm: Hoist XSCALE_CPAR, VECLEN, VECSTRIDE in cpu_get_tb_cpu_state, Peter Maydell, 2019/10/22
- [PULL 20/41] target/arm: Simplify set of PSTATE_SS in cpu_get_tb_cpu_state, Peter Maydell, 2019/10/22
- [PULL 22/41] target/arm: Add arm_rebuild_hflags, Peter Maydell, 2019/10/22
- [PULL 21/41] target/arm: Hoist computation of TBFLAG_A32.VFPEN, Peter Maydell, 2019/10/22
- [PULL 23/41] target/arm: Split out arm_mmu_idx_el, Peter Maydell, 2019/10/22
- [PULL 25/41] target/arm: Add HELPER(rebuild_hflags_{a32, a64, m32}), Peter Maydell, 2019/10/22
- [PULL 24/41] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state,
Peter Maydell <=
- [PULL 26/41] target/arm: Rebuild hflags at EL changes, Peter Maydell, 2019/10/22
- [PULL 27/41] target/arm: Rebuild hflags at MSR writes, Peter Maydell, 2019/10/22
- [PULL 28/41] target/arm: Rebuild hflags at CPSR writes, Peter Maydell, 2019/10/22
- [PULL 29/41] target/arm: Rebuild hflags at Xscale SCTLR writes, Peter Maydell, 2019/10/22
- [PULL 30/41] target/arm: Rebuild hflags for M-profile, Peter Maydell, 2019/10/22
- [PULL 31/41] target/arm: Rebuild hflags for M-profile NVIC, Peter Maydell, 2019/10/22
- [PULL 32/41] target/arm: Rely on hflags correct in cpu_get_tb_cpu_state, Peter Maydell, 2019/10/22
- [PULL 33/41] hw/sd/sdhci: Add a comment to distinct the i.MX eSDHC functions, Peter Maydell, 2019/10/22
- [PULL 34/41] hw/sd/sdhci: Add dummy Samsung SDHCI controller, Peter Maydell, 2019/10/22
- [PULL 35/41] hw/arm/exynos4210: Use the Samsung s3c SDHCI controller, Peter Maydell, 2019/10/22