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Re: [Qemu-devel] [PATCH v4 3/3] target-mips: Misaligned memory accesses
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From: |
Yongbok Kim |
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Subject: |
Re: [Qemu-devel] [PATCH v4 3/3] target-mips: Misaligned memory accesses for MSA |
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Date: |
Thu, 21 May 2015 10:47:21 +0100 |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 20/05/2015 18:25, Richard Henderson wrote:
>
>> + int i; \
>> + for (i = 0; i < DF_ELEMENTS(DF); i++) { \
>> + wx.TYPE[i] = LD_INSN(env, addr + (i << DF), ##__VA_ARGS__); \
>
> Why the varargs? They're the same all the time.
No, they aren't. we still need to support linux user mode which don't have
any extra argument.
MSA_LD_DF(DF_BYTE, b, helper_ret_ldub_mmu, \
make_memop_idx(MO_UNALN, cpu_mmu_index(env)), GETRA())
VS.
MSA_LD_DF(DF_BYTE, b, cpu_ldub_data)
Regards,
Yongbok