[llvm-commits] [patch] Fix va_arg for double and some cleanups

[Rafael Espindola]

I thought so, but it is returning just the Abi alignment for me. Should
there be an 's:4' or something in the target data?

On Jul 7, 2010 6:39 PM, "Dan Gohman" <gohman at apple.com> wrote:
>
> On Jul 6, 2010, at 2:41 PM, Rafael Espindola wrote:
>
>> One issues is that we would produce silly code like
>>
>> add r0, r0, #3
>> bfc r0, #0, #2
>>
>> for the vaarg of i32. What is the correct way to find the minimum
>> alignment of an argument? This is not the same as the stack alignment
>> at function entry. For example, for ARM the correct value is 4, since
>> values smaller than 32 bits are promoted (see 5.2.1.1 and 5.2.1.2 in
>> AAPCS).
>
> Is TargetData::getCallFrameTypeAlignment what you want here?
>
> Dan
>
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