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Re: [Qemu-devel] [PATCH] tcg: Remove temp_buf
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH] tcg: Remove temp_buf |
Date: |
Fri, 19 Apr 2013 14:18:44 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 |
Am 19.04.2013 14:11, schrieb Andreas Färber:
> Hi,
>
> Am 19.04.2013 10:27, schrieb Richard Henderson:
>> All targets have been converted to allocating space for temporaries
>> on the stack. No need to allocate space within the CPU_COMMON block.
>>
>> Signed-off-by: Richard Henderson <address@hidden>
>> ---
>> This depends on my tcg-arm patch set that's still outstanding.
>
> My tree still has exactly one user in tcg/arm/, so once that disappears
> feel free to add my Reviewed-by. Thanks for helping clean this up!
>
> One question...
>
>>
>>
>> r~
>> ---
>> include/exec/cpu-defs.h | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
>> index d8c64e9..41f5b32 100644
>> --- a/include/exec/cpu-defs.h
>> +++ b/include/exec/cpu-defs.h
>> @@ -152,8 +152,6 @@ typedef struct CPUWatchpoint {
>> memory was accessed */ \
>> CPU_COMMON_TLB \
>> struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; \
>> - /* buffer for temporaries in the code generator */ \
>> - long temp_buf[CPU_TEMP_BUF_NLONGS]; \
>
> Could CPU_TEMP_BUF_NLONGS be removed, too?
More precisely, seeing that all targets actually still use it despite in
most cases not actually accessing temp_buf, can you rename it to
TCG_TEMP_STACK_NLONGS and move it to some TCG header as a follow-up please?
Andreas
>> \
>> int64_t icount_extra; /* Instructions until next timer event. */ \
>> /* Number of cycles left, with interrupt flag in high bit. \
>>
--
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