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Re: [rtl, patch] combine concat+shuffle
Marc Glisse <marc.glisse@inria.fr> writes:
> Here is a new version.
>
> gcc/ChangeLog
> 2012-05-08 Marc Glisse <marc.glisse@inria.fr>
>
> * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle
> of concatenations.
OK, thanks. I'll leave an x86 maintainer to review the testcase,
but it looks like it'll need some markup to ensure an SSE target.
> Note to self: if you want to grep for "shuf" in the asm, don't put "shuf"
> in the name of the file...
Yeah :-) For MIPS tests I tend to add "\t" to the beginning of the regexp.
(And to the end if possible.)
Richard