[cfe-dev] [PATCH] clang/MIPS additional command-line options

Oleksandr Tymoshenko gonzo at bluezbox.com
Wed Feb 17 00:25:31 PST 2010

On 2010-02-16, at 8:09 PM, Eric Christopher wrote:

> On Feb 16, 2010, at 7:44 PM, Oleksandr Tymoshenko wrote:
>> On 2010-02-16, at 7:34 PM, Oleksandr Tymoshenko wrote:
>>> I was trying to test clang on FReeBSD/mips and came to conclusion that some additional
>>> keys required to set proper target for compilation. This patch adds several knobs to clang/MIPS:
>>>  - floating point ABI (-msoft-float/-mhard-float)
>>>  - target CPU (-march=)
>>>  - target ABI (-mabi=)
>>> Also byte order is set explicitly for toolchain assembler in based on target architecture 
>>> (mips/mipsel) so we don't rely on assembler default.
>> Shame on me. Forgot to attach the patch
>> <clang-mips.diff>_________________
> The semantics mostly look ok to me. I'm curious about choosing soft-float as a default?

    Most MIPS32 target I've been working with were FPU-less. My exposure to this type of 
hardware is not that wide, after all, so default value for floating point ABI is open for discussion. 


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