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From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Fri, 9 Sep 2022 12:22:51 +0300
Message-ID: <CAMqzjesF7Otw-BC2zEpA=nOkkzPuV+i11S2L+5tXP74rmZ9WUA@mail.gmail.com>
Subject: Re: [PATCH] ppc/svp64: support svshape2 instruction
To: binutils@sourceware.org
Cc: Alan Modra <amodra@gmail.com>, 
	Luke Kenneth Casson Leighton <luke.leighton@gmail.com>
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On Thu, Sep 8, 2022 at 9:34 PM Dmitry Selyutin <ghostmansd@gmail.com> wrote:
> On Thu, Sep 8, 2022 at 9:26 PM Dmitry Selyutin <ghostmansd@gmail.com> wrote:
> > +{"svshape2",   SVM2(22,281),   SVM2_MASK,      SVP64,  PPCVLE, {SVo, yx10, rmm, SVd, sk, mm}},
> >  {"svshape",    SVM(22,25),     SVM_MASK,       SVP64,  PPCVLE, {SVxd, SVyd, SVzd, SVrm, vf}},
> The order is significant; if svshape2 ends up after svshape, things
> break, due to the fact that svshape opcode starts performing a loose
> match.

I've checked sources a bit more; perhaps this is a good way, other
instructions use this trick too (e.g. isel).

-- 
Best regards,
Dmitry Selyutin