[LLVMdev] optimize for size

reed kotler rkotler at mips.com
Mon May 27 22:49:38 PDT 2013


On 05/27/2013 10:48 PM, Evan Cheng wrote:
> I don't quite understand your question. Clang already supports -Os option.
>
> Evan
Okay.

Do I need to add anything to  the llc command line?

> Sent from my iPad
>
> On May 27, 2013, at 7:47 PM, reed kotler <rkotler at mips.com> wrote:
>
>> I'm trying to set the default optimizations for mips16.
>>
>> Mips16 is a processor mode for code size compression.
>>
>> So for clang I want to add -Os, I think.
>>
>> In general I don't want the compiler to automatically inline, I think.
>> I assume that clang would do some trivial inlines but have not checked.
>>
>> Anything else I should add to clang?
>>
>> What about LLVM?
>>
>> There is no -Os there.
>>
>> Tia.
>>
>> Reed
>>
>>
>>
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