[PATCH][PR target/97642] Fix incorrect replacement of vmovdqu32 with vpblendd.

[Jakub Jelinek]

On Wed, Nov 25, 2020 at 07:32:44PM +0800, Hongtao Liu wrote:
> Update patch:
>   1. ix86_expand_special_args_builtin is used for expanding mask load
> intrinsics, this function will always convert the constant mask
> operands into reg. So for the situation of all-ones mask, keep this
> constant, and also change the mask operand predicate(of corresponding
> expander) to register_or_constm1_operand.
>   2. Delete last_arg_constant which is not used in
> ix86_expand_special_args_builtin(maybe should be in a separate patch?)

Yes, please make it a separate patch, it should go in first and
should just drop last_arg_constant from that function plus the
reindentation.

Then post the PR97642 incremental to that.

Thanks.

	Jakub