Forbid emiting lwl, lwr, swl and swr in gcc 3.4.1

[Jeff Law]

On 9/18/20 8:13 AM, sathesh edara via Gcc wrote:
> Hi All,
>    I am looking for a patch file to forbid emitting lwl/lwr/swl/swr
> instructions in gcc-5.5.0 for mips.
> I see the link below, which has already submitted a patch ( gcc 3..4.1) for
> this.
>
> https://gcc.gnu.org/pipermail/gcc/2005-February/139667.html
>   Could you please give pointers/links to download this patch file  to
> achieve above functionality?

To the best of my knowledge no patch was ever officially submitted --
there was just a list discussion where Ian gave suggestions to Mile, but
no actual code submission.


Note that those instructions are only available on certain MIPS
processor variants and you can use flags to control the processor
variant GCC compiles for.  See the details in the GCC manual. (MIPS
Options).  If those options are insufficient to give you the control you
need, then you'll have to hack the sources yourself and build your own
compilers.


Jeff

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