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Re: [Qemu-devel] [PATCH 2/5] tci: Use a local variable for env
From: |
Stefan Weil |
Subject: |
Re: [Qemu-devel] [PATCH 2/5] tci: Use a local variable for env |
Date: |
Thu, 28 Mar 2013 16:52:28 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130308 Thunderbird/17.0.4 |
Am 28.03.2013 16:37, schrieb Richard Henderson:
> Since we have total conversion away from global AREG0, we do not
> need a global variable named "env". Retain that name as the
> function parameter inside the interpreter.
>
> Signed-off-by: Richard Henderson <address@hidden>
> ---
> tci.c | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/tci.c b/tci.c
> index 9ce0be3..77e0980 100644
> --- a/tci.c
> +++ b/tci.c
> @@ -51,11 +51,6 @@ typedef uint64_t (*helper_function)(tcg_target_ulong,
> tcg_target_ulong,
> tcg_target_ulong);
> #endif
>
> -/* TCI can optionally use a global register variable for env. */
> -#if !defined(AREG0)
> -CPUArchState *env;
> -#endif
> -
> /* Targets which don't use GETPC also don't need tci_tb_ptr
> which makes them a little faster. */
> #if defined(GETPC)
> @@ -438,11 +433,10 @@ static bool tci_compare64(uint64_t u0, uint64_t u1,
> TCGCond condition)
> }
>
> /* Interpret pseudo code in tb. */
> -tcg_target_ulong tcg_qemu_tb_exec(CPUArchState *cpustate, uint8_t *tb_ptr)
> +tcg_target_ulong tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
> {
> tcg_target_ulong next_tb = 0;
>
> - env = cpustate;
> tci_reg[TCG_AREG0] = (tcg_target_ulong)env;
> assert(tb_ptr);
Reviewed-by: Stefan Weil <address@hidden>
- [Qemu-devel] [PATCH 0/5] Fixes and minor improvements to TCI, Richard Henderson, 2013/03/28
- [Qemu-devel] [PATCH 5/5] tci: Make tcg temporaries local to tcg_qemu_tb_exec, Richard Henderson, 2013/03/28
- [Qemu-devel] [PATCH 4/5] tci: Delete unused tb_ret_addr, Richard Henderson, 2013/03/28
- [Qemu-devel] [PATCH 2/5] tci: Use a local variable for env, Richard Henderson, 2013/03/28
- Re: [Qemu-devel] [PATCH 2/5] tci: Use a local variable for env,
Stefan Weil <=
- [Qemu-devel] [PATCH 3/5] tci: Avoid code before declarations, Richard Henderson, 2013/03/28
- [Qemu-devel] [PATCH 1/5] tci: Use 32-bit signed offsets to loads/stores, Richard Henderson, 2013/03/28