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From: Denis Chertykov <chertykov@gmail.com>
Date: Mon, 26 Sep 2011 19:36:00 -0000
Message-ID: <CADOs=zbK7S=XqLP+zBGED-vW7qZMP7svbJd01uxWEO6ERjvQFg@mail.gmail.com>
Subject: Re: [Patch,AVR]: Housekeeping: Clean-up notice_update_cc
To: Georg-Johann Lay <avr@gjlay.de>
Cc: gcc-patches@gcc.gnu.org, Anatoly Sokolov <aesok@post.ru>, 	Eric Weddington <eric.weddington@atmel.com>
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X-SW-Source: 2011-09/txt/msg01635.txt.bz2

2011/9/26 Georg-Johann Lay <avr@gjlay.de>:
> This patchlet represents the impact of insn ashrqi3 on CC by means of att=
ribute
> "cc" instead of hard-coding it in notice_update_cc.
>
> Testsuite passes fine. Moreover, tested against code like
>
> char c;
>
> void func_1 (char a)
> {
> =C2=A0 =C2=A0a =3D a >> 7;
> =C2=A0 =C2=A0if (a)
> =C2=A0 =C2=A0 =C2=A0 =C2=A0c =3D a;
> }
>
> that triggered PR39633.
>
> Ok?
>
> Johann
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0* config/avr/avr.md (ashrqi3): Split alternati=
ve "n"
> =C2=A0 =C2=A0 =C2=A0 =C2=A0into its remaining parts C03, C04, C05, C06, C=
07 and describe
> =C2=A0 =C2=A0 =C2=A0 =C2=A0impact on CC by attribute "cc" appropriately.
> =C2=A0 =C2=A0 =C2=A0 =C2=A0* config/avr/avr.c (notice_update_cc): Clean-u=
p: Don't patch CC0
> =C2=A0 =C2=A0 =C2=A0 =C2=A0by digging RTX.
>

Approved.

Denis.