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Re: BIT_FIELD_REF on the LHS

From: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
To: Andrew Pinski <pinskia at gmail dot com>, GCC Development <gcc at gcc dot gnu dot org>
Date: Thu, 13 Jul 2006 10:30:08 +0200
Subject: Re: BIT_FIELD_REF on the LHS
References: <de8d50360607130027v3a4bd2efu8c7c5e6f0ff60f5e@mail.gmail.com>

PS http://gcc.gnu.org/ml/gcc-patches/2004-03/msg02150.html added the
ability for having BIT_FIELD_REF on the LHS.

Yes, but IIRC that was only for addressable things, not for registers.

As Steven said, handling it would be a mess like it was for RTL SSA. So, you Do Not Want this for registers.

Paolo

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