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Date:   Mon, 19 Aug 2019 09:16:45 -0500
From:   Segher Boessenkool <segher@kernel.crashing.org>
To:     Christophe Leroy <christophe.leroy@c-s.fr>
Cc:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v3 1/3] powerpc: rewrite LOAD_REG_IMMEDIATE() as an intelligent macro
Message-ID: <20190819141645.GI31406@gate.crashing.org>
References: <be2b971c89b1af30d680cedd14e99a83138ef40a.1566223054.git.christophe.leroy@c-s.fr>
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Hi Christophe,

On Mon, Aug 19, 2019 at 01:58:10PM +0000, Christophe Leroy wrote:
> +.macro __LOAD_REG_IMMEDIATE r, x
> +	.if (\x) >= 0x80000000 || (\x) < -0x80000000
> +		__LOAD_REG_IMMEDIATE_32 \r, (\x) >> 32
> +		sldi	\r, \r, 32
> +		.if (\x) & 0xffff0000 != 0
> +			oris \r, \r, (\x)@__AS_ATHIGH
> +		.endif
> +		.if (\x) & 0xffff != 0
> +			oris \r, \r, (\x)@l
> +		.endif
> +	.else
> +		__LOAD_REG_IMMEDIATE_32 \r, \x
> +	.endif
> +.endm

How did you test this?  That last "oris" should be "ori"?

Rest looks good :-)


Segher