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Re: software floating point & machine descriptions
- From: Ian Lance Taylor <ian at airs dot com>
- To: joefoxreal at gmail dot com
- Cc: gcc at gcc dot gnu dot org
- Date: 12 Sep 2005 14:54:17 -0700
- Subject: Re: software floating point & machine descriptions
- References: <d6afecde05091200346bb023a5@mail.gmail.com>
Eric Fisher <joefoxreal@gmail.com> writes:
> I have to send the new mail again for the software floating point problem.
> I need more details about it. 1) If I use software floating point, does I need
> implement float mode insns in md file? Such as movsf, movdf.
You do have to implement movsf and movdf, yes. You do not have to
implement insns for floating point operations.
> 2)How to
> generate correct object files of libgcc2 of floating point operations? Such
> as _floatdidf.
Look at, e.g., config/mips/t-mips.
Ian