[LTP] [PATCH] Fix the 64-bit macro definition of mips architecture

[sujiaxun]

On 2021/4/26 下午3:03, Viresh Kumar wrote:
> On 26-04-21, 15:00, sujiaxun wrote:
>> uos@uos-PC:~$ echo |gcc -dM -E - | grep -i arch
>> #define _MIPS_ARCH "mips64r2"
>> #define _MIPS_ARCH_MIPS64R2 1
>> uos@uos-PC:~$ echo |gcc -dM -E - | grep -i mips64
>> #define _MIPS_ISA _MIPS_ISA_MIPS64
>> #define _MIPS_TUNE "mips64r2"
>> #define _MIPS_TUNE_MIPS64R2 1
>> #define _MIPS_ARCH "mips64r2"
>> #define _MIPS_ARCH_MIPS64R2 1
>> #define __mips64 1
>> uos@uos-PC:~$ uname  -m
>> mips64
>>
>> The mips architecture gcc has no built-in __arch64__, only __mips64
>> definitions. Of course, "__BITS_PER_LONG == 64" can also be used, but I
>> think it is better to use __mips64 in the mips architecture.
> 
> Hmm, I will rather try to do what the kernel source code does, i.e.
> use __BITS_PER_LONG here instead.
> 
I resubmitted a patch and changed "__arch64__" to "#if __BITS_PER_LONG 
== 64", the link is: 
https://patchwork.ozlabs.org/project/ltp/patch/20210426074812.27798-1-sujiaxun@uniontech.com 
/